From a3e41653b2c1b041200ed531792378ef08a6e630 Mon Sep 17 00:00:00 2001
From: Codex <codex@example.com>
Date: Sat, 7 Mar 2026 22:31:03 +0000
Subject: [PATCH] Velocity calulcators

---
 calculators_list.md                     | 80 +++++++++++++++++++++++++
 hdyc-svelte/src/lib/data/calculators.ts | 46 +++++++++++++-
 2 files changed, 123 insertions(+), 3 deletions(-)

diff --git a/calculators_list.md b/calculators_list.md
index 02e7468..3881baf 100644
--- a/calculators_list.md
+++ b/calculators_list.md
@@ -430,6 +430,46 @@ The registry currently contains 1333 unique calculator slugs.
 | Meters per second to Feet per second | meters-per-second-to-feet-per-second | length | 3.28084 |
 | Meters per second to Miles per hour | meters-per-second-to-miles-per-hour | length | 2.23694 |
 | Meters per second to Yards per second | meters-per-second-to-yards-per-second | length | 1.09361 |
+| Meters per second to Kilometers per hour – Multiply meters per second by 3.6 for road-friendly speeds. | meters-per-second-to-kilometers-per-hour | speed | 3.6 |
+| Meters per second to Knots – Turn meter-per-second velocities into nautical knots. | meters-per-second-to-knots | speed | 1.9438461717893492 |
+| Meters per second to Feet per minute – Show how many feet pass in a minute of sustained meters-per-second travel. | meters-per-second-to-feet-per-minute | speed | 196.8504 |
+| Meters per second to Inches per second – Compare metric speeds to inches per second for machine tolerances. | meters-per-second-to-inches-per-second | speed | 39.37007874015748 |
+| Kilometers per second to Meters per second – Scale down kilometer-per-second velocities into meters per second. | kilometers-per-second-to-meters-per-second | speed | 1000 |
+| Kilometers per second to Kilometers per hour – Expand the brief kilometer-per-second pace into kilometers per hour. | kilometers-per-second-to-kilometers-per-hour | speed | 3600 |
+| Kilometers per second to Miles per hour – Convert high-performance flows into familiar highway miles per hour. | kilometers-per-second-to-miles-per-hour | speed | 2236.9356000000002 |
+| Kilometers per second to Knots – Express extreme kilometer-per-second speeds in nautical knots. | kilometers-per-second-to-knots | speed | 1943.8461717893492 |
+| Kilometers per second to Feet per second – Track how many feet blast past per second when you travel a kilometer per second. | kilometers-per-second-to-feet-per-second | speed | 3280.839895013123 |
+| Miles per hour to Feet per minute – Convert highway miles per hour into feet per minute for mechanical cues. | miles-per-hour-to-feet-per-minute | speed | 88.0 |
+| Miles per hour to Meters per minute – Turn American highway speeds into meters per minute for metric math. | miles-per-hour-to-meters-per-minute | speed | 26.822400000000002 |
+| Miles per hour to Inches per second – Express highway pacing as inches per second when monitoring feed rates. | miles-per-hour-to-inches-per-second | speed | 17.6 |
+| Miles per hour to Millimeters per second – Capture mph rates with millimeter-per-second resolution. | miles-per-hour-to-millimeters-per-second | speed | 447.04 |
+| Miles per hour to Kilometers per second – Shrink mph into kilometers per second for high-speed benchmarks. | miles-per-hour-to-kilometers-per-second | speed | 0.00044704000000000006 |
+| Miles per hour to Yards per minute – Track mph as yards per minute to coordinate pacing drills. | miles-per-hour-to-yards-per-minute | speed | 29.333333333333332 |
+| Miles per hour to Kilometers per minute – Shrink mph to kilometers per minute for quick scaling. | miles-per-hour-to-kilometers-per-minute | speed | 0.026822400000000003 |
+| Feet per second to Miles per hour – Flip feet per second into miles per hour for automotive intuition. | feet-per-second-to-miles-per-hour | speed | 0.681818 |
+| Feet per second to Kilometers per hour – Map feet per second flows onto a kilometers per hour scale. | feet-per-second-to-kilometers-per-hour | speed | 1.09728 |
+| Feet per second to Knots – Express feet per second in nautical knots for maritime comparisons. | feet-per-second-to-knots | speed | 0.5924843131613937 |
+| Feet per second to Meters per minute – Go from feet per second to meters per minute for metric proposals. | feet-per-second-to-meters-per-minute | speed | 18.288 |
+| Feet per second to Inches per second – Convert foot-scale velocity into inches per second instantly. | feet-per-second-to-inches-per-second | speed | 12 |
+| Feet per minute to Miles per hour – Relate slow feet-per-minute measures back to miles per hour. | feet-per-minute-to-miles-per-hour | speed | 0.011363636363636364 |
+| Feet per minute to Kilometers per hour – Scale feet-per-minute values onto the familiar km/h dial. | feet-per-minute-to-kilometers-per-hour | speed | 0.018288000000000002 |
+| Feet per minute to Meters per second – Convert static feet-per-minute readings into meters per second. | feet-per-minute-to-meters-per-second | speed | 0.00508 |
+| Feet per minute to Knots – Express feet per minute as nautical knots for marine pacing. | feet-per-minute-to-knots | speed | 0.009874738552689895 |
+| Feet per minute to Inches per second – Show how many inches per second bundle into a foot per minute. | feet-per-minute-to-inches-per-second | speed | 0.2 |
+| Inches per second to Meters per second – Convert inches per second into meters per second for tooling data. | inches-per-second-to-meters-per-second | speed | 0.0254 |
+| Inches per second to Kilometers per hour – Scale compact inch-per-second speeds to km/h. | inches-per-second-to-kilometers-per-hour | speed | 0.09144 |
+| Inches per second to Miles per hour – Relate inches-per-second feed rates back to miles per hour. | inches-per-second-to-miles-per-hour | speed | 0.056818276 |
+| Inches per second to Knots – Translate inch-per-second flows into nautical knots. | inches-per-second-to-knots | speed | 0.04937369276344947 |
+| Inches per second to Feet per minute – Express inches per second as feet per minute for incremental planning. | inches-per-second-to-feet-per-minute | speed | 4.999999999998 |
+| Inches per minute to Meters per second – Turn slow inch-per-minute values into meters per second. | inches-per-minute-to-meters-per-second | speed | 0.00042333333333333334 |
+| Inches per minute to Kilometers per hour – Scale an inch-per-minute pace onto km/h. | inches-per-minute-to-kilometers-per-hour | speed | 0.0015239999999999997 |
+| Inches per minute to Miles per hour – Express inch-per-minute velocities as fractions of highway speed. | inches-per-minute-to-miles-per-hour | speed | 0.0009469712666666667 |
+| Inches per minute to Feet per minute – Compare inch-per-minute data with feet per minute. | inches-per-minute-to-feet-per-minute | speed | 0.08333333333333333 |
+| Inches per minute to Knots – Show inch-per-minute speeds as tiny knots values. | inches-per-minute-to-knots | speed | 0.0008228948793908245 |
+| Yards per minute to Miles per hour – Convert yards per minute to highway miles per hour. | yards-per-minute-to-miles-per-hour | speed | 0.03409090909090909 |
+| Yards per minute to Kilometers per hour – Map yards-per-minute activity onto km/h. | yards-per-minute-to-kilometers-per-hour | speed | 0.054864 |
+| Meters per minute to Kilometers per hour – Scale meters per minute into highway kilometers per hour. | meters-per-minute-to-kilometers-per-hour | speed | 0.06 |
+| Meters per minute to Miles per hour – Turn meters per minute into highway miles per hour. | meters-per-minute-to-miles-per-hour | speed | 0.03728227153424003 |
 | Micrograms to Milligrams | micrograms-to-milligrams | weight | 0.001 |
 | Micrometers to Millimeters | micrometers-to-millimeters | length | 0.001 |
 | Milligrams to Micrograms | milligrams-to-micrograms | weight | 1000.0 |
@@ -1818,6 +1858,46 @@ The registry currently contains 1333 unique calculator slugs.
 - [x] Meters per second to Feet per second (`meters-per-second-to-feet-per-second`)
 - [x] Meters per second to Miles per hour (`meters-per-second-to-miles-per-hour`)
 - [x] Meters per second to Yards per second (`meters-per-second-to-yards-per-second`)
+- [x] Meters per second to Kilometers per hour (`meters-per-second-to-kilometers-per-hour`)
+- [x] Meters per second to Knots (`meters-per-second-to-knots`)
+- [x] Meters per second to Feet per minute (`meters-per-second-to-feet-per-minute`)
+- [x] Meters per second to Inches per second (`meters-per-second-to-inches-per-second`)
+- [x] Kilometers per second to Meters per second (`kilometers-per-second-to-meters-per-second`)
+- [x] Kilometers per second to Kilometers per hour (`kilometers-per-second-to-kilometers-per-hour`)
+- [x] Kilometers per second to Miles per hour (`kilometers-per-second-to-miles-per-hour`)
+- [x] Kilometers per second to Knots (`kilometers-per-second-to-knots`)
+- [x] Kilometers per second to Feet per second (`kilometers-per-second-to-feet-per-second`)
+- [x] Miles per hour to Feet per minute (`miles-per-hour-to-feet-per-minute`)
+- [x] Miles per hour to Meters per minute (`miles-per-hour-to-meters-per-minute`)
+- [x] Miles per hour to Inches per second (`miles-per-hour-to-inches-per-second`)
+- [x] Miles per hour to Millimeters per second (`miles-per-hour-to-millimeters-per-second`)
+- [x] Miles per hour to Kilometers per second (`miles-per-hour-to-kilometers-per-second`)
+- [x] Miles per hour to Yards per minute (`miles-per-hour-to-yards-per-minute`)
+- [x] Miles per hour to Kilometers per minute (`miles-per-hour-to-kilometers-per-minute`)
+- [x] Feet per second to Miles per hour (`feet-per-second-to-miles-per-hour`)
+- [x] Feet per second to Kilometers per hour (`feet-per-second-to-kilometers-per-hour`)
+- [x] Feet per second to Knots (`feet-per-second-to-knots`)
+- [x] Feet per second to Meters per minute (`feet-per-second-to-meters-per-minute`)
+- [x] Feet per second to Inches per second (`feet-per-second-to-inches-per-second`)
+- [x] Feet per minute to Miles per hour (`feet-per-minute-to-miles-per-hour`)
+- [x] Feet per minute to Kilometers per hour (`feet-per-minute-to-kilometers-per-hour`)
+- [x] Feet per minute to Meters per second (`feet-per-minute-to-meters-per-second`)
+- [x] Feet per minute to Knots (`feet-per-minute-to-knots`)
+- [x] Feet per minute to Inches per second (`feet-per-minute-to-inches-per-second`)
+- [x] Inches per second to Meters per second (`inches-per-second-to-meters-per-second`)
+- [x] Inches per second to Kilometers per hour (`inches-per-second-to-kilometers-per-hour`)
+- [x] Inches per second to Miles per hour (`inches-per-second-to-miles-per-hour`)
+- [x] Inches per second to Knots (`inches-per-second-to-knots`)
+- [x] Inches per second to Feet per minute (`inches-per-second-to-feet-per-minute`)
+- [x] Inches per minute to Meters per second (`inches-per-minute-to-meters-per-second`)
+- [x] Inches per minute to Kilometers per hour (`inches-per-minute-to-kilometers-per-hour`)
+- [x] Inches per minute to Miles per hour (`inches-per-minute-to-miles-per-hour`)
+- [x] Inches per minute to Feet per minute (`inches-per-minute-to-feet-per-minute`)
+- [x] Inches per minute to Knots (`inches-per-minute-to-knots`)
+- [x] Yards per minute to Miles per hour (`yards-per-minute-to-miles-per-hour`)
+- [x] Yards per minute to Kilometers per hour (`yards-per-minute-to-kilometers-per-hour`)
+- [x] Meters per minute to Kilometers per hour (`meters-per-minute-to-kilometers-per-hour`)
+- [x] Meters per minute to Miles per hour (`meters-per-minute-to-miles-per-hour`)
 - [x] Micrograms to Milligrams (`micrograms-to-milligrams`)
 - [x] Micrometers to Millimeters (`micrometers-to-millimeters`)
 - [x] Milligrams to Micrograms (`milligrams-to-micrograms`)
diff --git a/hdyc-svelte/src/lib/data/calculators.ts b/hdyc-svelte/src/lib/data/calculators.ts
index 955e25a..9dc4025 100644
--- a/hdyc-svelte/src/lib/data/calculators.ts
+++ b/hdyc-svelte/src/lib/data/calculators.ts
@@ -464,6 +464,46 @@ export const calculators: CalculatorDef[] = [
   {"slug": "meters-per-second-to-feet-per-second", "name": "Meters per second to Feet per second", "category": "length", "type": "standard", "labels": {"in1": "Meters per second", "in2": "Feet per second"}, "factor": 3.28084},
   {"slug": "meters-per-second-to-miles-per-hour", "name": "Meters per second to Miles per hour", "category": "length", "type": "standard", "labels": {"in1": "Meters per second", "in2": "Miles per hour"}, "factor": 2.23694},
   {"slug": "meters-per-second-to-yards-per-second", "name": "Meters per second to Yards per second", "category": "length", "type": "standard", "labels": {"in1": "Meters per second", "in2": "Yards per second"}, "factor": 1.09361},
+  {"slug": "meters-per-second-to-kilometers-per-hour", "name": "Meters per second to Kilometers per hour", "category": "speed", "type": "standard", "teaser": "Multiply meters per second by 3.6 for road-friendly speeds.", "labels": {"in1": "Meters per second", "in2": "Kilometers per hour"}, "factor": 3.6},
+  {"slug": "meters-per-second-to-knots", "name": "Meters per second to Knots", "category": "speed", "type": "standard", "teaser": "Turn meter-per-second velocities into nautical knots.", "labels": {"in1": "Meters per second", "in2": "Knots"}, "factor": 1.9438461717893492},
+  {"slug": "meters-per-second-to-feet-per-minute", "name": "Meters per second to Feet per minute", "category": "speed", "type": "standard", "teaser": "Show how many feet pass in a minute of sustained meters-per-second travel.", "labels": {"in1": "Meters per second", "in2": "Feet per minute"}, "factor": 196.8504},
+  {"slug": "meters-per-second-to-inches-per-second", "name": "Meters per second to Inches per second", "category": "speed", "type": "standard", "teaser": "Compare metric speeds to inches per second for machine tolerances.", "labels": {"in1": "Meters per second", "in2": "Inches per second"}, "factor": 39.37007874015748},
+  {"slug": "kilometers-per-second-to-meters-per-second", "name": "Kilometers per second to Meters per second", "category": "speed", "type": "standard", "teaser": "Scale down kilometer-per-second velocities into meters per second.", "labels": {"in1": "Kilometers per second", "in2": "Meters per second"}, "factor": 1000.0},
+  {"slug": "kilometers-per-second-to-kilometers-per-hour", "name": "Kilometers per second to Kilometers per hour", "category": "speed", "type": "standard", "teaser": "Expand the brief kilometer-per-second pace into kilometers per hour.", "labels": {"in1": "Kilometers per second", "in2": "Kilometers per hour"}, "factor": 3600.0},
+  {"slug": "kilometers-per-second-to-miles-per-hour", "name": "Kilometers per second to Miles per hour", "category": "speed", "type": "standard", "teaser": "Convert high-performance flows into familiar highway miles per hour.", "labels": {"in1": "Kilometers per second", "in2": "Miles per hour"}, "factor": 2236.9356000000002},
+  {"slug": "kilometers-per-second-to-knots", "name": "Kilometers per second to Knots", "category": "speed", "type": "standard", "teaser": "Express extreme kilometer-per-second speeds in nautical knots.", "labels": {"in1": "Kilometers per second", "in2": "Knots"}, "factor": 1943.8461717893492},
+  {"slug": "kilometers-per-second-to-feet-per-second", "name": "Kilometers per second to Feet per second", "category": "speed", "type": "standard", "teaser": "Track how many feet blast past per second when you travel a kilometer per second.", "labels": {"in1": "Kilometers per second", "in2": "Feet per second"}, "factor": 3280.839895013123},
+  {"slug": "miles-per-hour-to-feet-per-minute", "name": "Miles per hour to Feet per minute", "category": "speed", "type": "standard", "teaser": "Convert highway miles per hour into feet per minute for mechanical cues.", "labels": {"in1": "Miles per hour", "in2": "Feet per minute"}, "factor": 88.0},
+  {"slug": "miles-per-hour-to-meters-per-minute", "name": "Miles per hour to Meters per minute", "category": "speed", "type": "standard", "teaser": "Turn American highway speeds into meters per minute for metric math.", "labels": {"in1": "Miles per hour", "in2": "Meters per minute"}, "factor": 26.822400000000002},
+  {"slug": "miles-per-hour-to-inches-per-second", "name": "Miles per hour to Inches per second", "category": "speed", "type": "standard", "teaser": "Express highway pacing as inches per second when monitoring feed rates.", "labels": {"in1": "Miles per hour", "in2": "Inches per second"}, "factor": 17.6},
+  {"slug": "miles-per-hour-to-millimeters-per-second", "name": "Miles per hour to Millimeters per second", "category": "speed", "type": "standard", "teaser": "Capture mph rates with millimeter-per-second resolution.", "labels": {"in1": "Miles per hour", "in2": "Millimeters per second"}, "factor": 447.04},
+  {"slug": "miles-per-hour-to-kilometers-per-second", "name": "Miles per hour to Kilometers per second", "category": "speed", "type": "standard", "teaser": "Shrink mph into kilometers per second for high-speed benchmarks.", "labels": {"in1": "Miles per hour", "in2": "Kilometers per second"}, "factor": 0.00044704000000000006, "hidden": true},
+  {"slug": "miles-per-hour-to-yards-per-minute", "name": "Miles per hour to Yards per minute", "category": "speed", "type": "standard", "teaser": "Track mph as yards per minute to coordinate pacing drills.", "labels": {"in1": "Miles per hour", "in2": "Yards per minute"}, "factor": 29.333333333333332},
+  {"slug": "miles-per-hour-to-kilometers-per-minute", "name": "Miles per hour to Kilometers per minute", "category": "speed", "type": "standard", "teaser": "Shrink mph to kilometers per minute for quick scaling.", "labels": {"in1": "Miles per hour", "in2": "Kilometers per minute"}, "factor": 0.026822400000000003},
+  {"slug": "feet-per-second-to-miles-per-hour", "name": "Feet per second to Miles per hour", "category": "speed", "type": "standard", "teaser": "Flip feet per second into miles per hour for automotive intuition.", "labels": {"in1": "Feet per second", "in2": "Miles per hour"}, "factor": 0.681818, "hidden": true},
+  {"slug": "feet-per-second-to-kilometers-per-hour", "name": "Feet per second to Kilometers per hour", "category": "speed", "type": "standard", "teaser": "Map feet per second flows onto a kilometers per hour scale.", "labels": {"in1": "Feet per second", "in2": "Kilometers per hour"}, "factor": 1.09728},
+  {"slug": "feet-per-second-to-knots", "name": "Feet per second to Knots", "category": "speed", "type": "standard", "teaser": "Express feet per second in nautical knots for maritime comparisons.", "labels": {"in1": "Feet per second", "in2": "Knots"}, "factor": 0.5924843131613937, "hidden": true},
+  {"slug": "feet-per-second-to-meters-per-minute", "name": "Feet per second to Meters per minute", "category": "speed", "type": "standard", "teaser": "Go from feet per second to meters per minute for metric proposals.", "labels": {"in1": "Feet per second", "in2": "Meters per minute"}, "factor": 18.288},
+  {"slug": "feet-per-second-to-inches-per-second", "name": "Feet per second to Inches per second", "category": "speed", "type": "standard", "teaser": "Convert foot-scale velocity into inches per second instantly.", "labels": {"in1": "Feet per second", "in2": "Inches per second"}, "factor": 12.0},
+  {"slug": "feet-per-minute-to-miles-per-hour", "name": "Feet per minute to Miles per hour", "category": "speed", "type": "standard", "teaser": "Relate slow feet-per-minute measures back to miles per hour.", "labels": {"in1": "Feet per minute", "in2": "Miles per hour"}, "factor": 0.011363636363636364, "hidden": true},
+  {"slug": "feet-per-minute-to-kilometers-per-hour", "name": "Feet per minute to Kilometers per hour", "category": "speed", "type": "standard", "teaser": "Scale feet-per-minute values onto the familiar km/h dial.", "labels": {"in1": "Feet per minute", "in2": "Kilometers per hour"}, "factor": 0.018288000000000002},
+  {"slug": "feet-per-minute-to-meters-per-second", "name": "Feet per minute to Meters per second", "category": "speed", "type": "standard", "teaser": "Convert static feet-per-minute readings into meters per second.", "labels": {"in1": "Feet per minute", "in2": "Meters per second"}, "factor": 0.00508, "hidden": true},
+  {"slug": "feet-per-minute-to-knots", "name": "Feet per minute to Knots", "category": "speed", "type": "standard", "teaser": "Express feet per minute as nautical knots for marine pacing.", "labels": {"in1": "Feet per minute", "in2": "Knots"}, "factor": 0.009874738552689895},
+  {"slug": "feet-per-minute-to-inches-per-second", "name": "Feet per minute to Inches per second", "category": "speed", "type": "standard", "teaser": "Show how many inches per second bundle into a foot per minute.", "labels": {"in1": "Feet per minute", "in2": "Inches per second"}, "factor": 0.2, "hidden": true},
+  {"slug": "inches-per-second-to-meters-per-second", "name": "Inches per second to Meters per second", "category": "speed", "type": "standard", "teaser": "Convert inches per second into meters per second for tooling data.", "labels": {"in1": "Inches per second", "in2": "Meters per second"}, "factor": 0.0254, "hidden": true},
+  {"slug": "inches-per-second-to-kilometers-per-hour", "name": "Inches per second to Kilometers per hour", "category": "speed", "type": "standard", "teaser": "Scale compact inch-per-second speeds to km/h.", "labels": {"in1": "Inches per second", "in2": "Kilometers per hour"}, "factor": 0.09144},
+  {"slug": "inches-per-second-to-miles-per-hour", "name": "Inches per second to Miles per hour", "category": "speed", "type": "standard", "teaser": "Relate inches-per-second feed rates back to miles per hour.", "labels": {"in1": "Inches per second", "in2": "Miles per hour"}, "factor": 0.056818276, "hidden": true},
+  {"slug": "inches-per-second-to-knots", "name": "Inches per second to Knots", "category": "speed", "type": "standard", "teaser": "Translate inch-per-second flows into nautical knots.", "labels": {"in1": "Inches per second", "in2": "Knots"}, "factor": 0.04937369276344947},
+  {"slug": "inches-per-second-to-feet-per-minute", "name": "Inches per second to Feet per minute", "category": "speed", "type": "standard", "teaser": "Express inches per second as feet per minute for incremental planning.", "labels": {"in1": "Inches per second", "in2": "Feet per minute"}, "factor": 4.999999999998},
+  {"slug": "inches-per-minute-to-meters-per-second", "name": "Inches per minute to Meters per second", "category": "speed", "type": "standard", "teaser": "Turn slow inch-per-minute values into meters per second.", "labels": {"in1": "Inches per minute", "in2": "Meters per second"}, "factor": 0.00042333333333333334},
+  {"slug": "inches-per-minute-to-kilometers-per-hour", "name": "Inches per minute to Kilometers per hour", "category": "speed", "type": "standard", "teaser": "Scale an inch-per-minute pace onto km/h.", "labels": {"in1": "Inches per minute", "in2": "Kilometers per hour"}, "factor": 0.0015239999999999997},
+  {"slug": "inches-per-minute-to-miles-per-hour", "name": "Inches per minute to Miles per hour", "category": "speed", "type": "standard", "teaser": "Express inch-per-minute velocities as fractions of highway speed.", "labels": {"in1": "Inches per minute", "in2": "Miles per hour"}, "factor": 0.0009469712666666667},
+  {"slug": "inches-per-minute-to-feet-per-minute", "name": "Inches per minute to Feet per minute", "category": "speed", "type": "standard", "teaser": "Compare inch-per-minute data with feet per minute.", "labels": {"in1": "Inches per minute", "in2": "Feet per minute"}, "factor": 0.08333333333333333},
+  {"slug": "inches-per-minute-to-knots", "name": "Inches per minute to Knots", "category": "speed", "type": "standard", "teaser": "Show inch-per-minute speeds as tiny knots values.", "labels": {"in1": "Inches per minute", "in2": "Knots"}, "factor": 0.0008228948793908245},
+  {"slug": "yards-per-minute-to-miles-per-hour", "name": "Yards per minute to Miles per hour", "category": "speed", "type": "standard", "teaser": "Convert yards per minute to highway miles per hour.", "labels": {"in1": "Yards per minute", "in2": "Miles per hour"}, "factor": 0.03409090909090909, "hidden": true},
+  {"slug": "yards-per-minute-to-kilometers-per-hour", "name": "Yards per minute to Kilometers per hour", "category": "speed", "type": "standard", "teaser": "Map yards-per-minute activity onto km/h.", "labels": {"in1": "Yards per minute", "in2": "Kilometers per hour"}, "factor": 0.054864},
+  {"slug": "meters-per-minute-to-kilometers-per-hour", "name": "Meters per minute to Kilometers per hour", "category": "speed", "type": "standard", "teaser": "Scale meters per minute into highway kilometers per hour.", "labels": {"in1": "Meters per minute", "in2": "Kilometers per hour"}, "factor": 0.06},
+  {"slug": "meters-per-minute-to-miles-per-hour", "name": "Meters per minute to Miles per hour", "category": "speed", "type": "standard", "teaser": "Turn meters per minute into highway miles per hour.", "labels": {"in1": "Meters per minute", "in2": "Miles per hour"}, "factor": 0.03728227153424003, "hidden": true},
   {"slug": "micrograms-to-milligrams", "name": "Micrograms to Milligrams", "category": "weight", "type": "standard", "labels": {"in1": "Micrograms", "in2": "Milligrams"}, "factor": 0.001, "hidden": true},
   {"slug": "micrometers-to-millimeters", "name": "Micrometers to Millimeters", "category": "length", "type": "standard", "labels": {"in1": "Micrometers", "in2": "Millimeters"}, "factor": 0.001},
   {"slug": "milligrams-to-micrograms", "name": "Milligrams to Micrograms", "category": "weight", "type": "standard", "labels": {"in1": "Milligrams", "in2": "Micrograms"}, "factor": 1000.0},
@@ -518,8 +558,8 @@ export const calculators: CalculatorDef[] = [
   {"slug": "miles-per-hour-to-knots", "name": "Miles per hour to Knots", "category": "length", "type": "standard", "labels": {"in1": "Miles per hour", "in2": "Knots"}, "factor": 0.8689762419, "hidden": true},
   {"slug": "miles-per-hour-to-meters-per-second", "name": "Miles per hour to Meters per second", "category": "length", "type": "standard", "labels": {"in1": "Miles per hour", "in2": "Meters per second"}, "factor": 0.44704, "hidden": true},
   {"slug": "kilometers-per-hour-to-miles-per-hour", "name": "Kilometers per hour to Miles per hour", "category": "length", "type": "standard", "teaser": "Flip the perspective back to miles per hour for speed comparisons.", "labels": {"in1": "Kilometers per hour", "in2": "Miles per hour"}, "factor": 0.621371192237334, "hidden": true},
-  {"slug": "kilometers-per-hour-to-feet-per-second", "name": "Kilometers per hour to Feet per second", "category": "length", "type": "standard", "teaser": "Convert highway speeds into feet per second (1 km/h \u2248 0.911344 ft/s).", "labels": {"in1": "Kilometers per hour", "in2": "Feet per second"}, "factor": 0.9113444153},
-  {"slug": "kilometers-per-hour-to-meters-per-second", "name": "Kilometers per hour to Meters per second", "category": "length", "type": "standard", "teaser": "Translate kilometers per hour to meters per second (divide by 3.6).", "labels": {"in1": "Kilometers per hour", "in2": "Meters per second"}, "factor": 0.2777777778},
+  {"slug": "kilometers-per-hour-to-feet-per-second", "name": "Kilometers per hour to Feet per second", "category": "length", "type": "standard", "teaser": "Convert highway speeds into feet per second (1 km/h \u2248 0.911344 ft/s).", "labels": {"in1": "Kilometers per hour", "in2": "Feet per second"}, "factor": 0.9113444153, "hidden": true},
+  {"slug": "kilometers-per-hour-to-meters-per-second", "name": "Kilometers per hour to Meters per second", "category": "length", "type": "standard", "teaser": "Translate kilometers per hour to meters per second (divide by 3.6).", "labels": {"in1": "Kilometers per hour", "in2": "Meters per second"}, "factor": 0.2777777778, "hidden": true},
   {"slug": "kilometers-per-hour-to-knots", "name": "Kilometers per hour to Knots", "category": "length", "type": "standard", "teaser": "Relate road speeds to nautical knots (1 km/h \u2248 0.5399568034557235 knots).", "labels": {"in1": "Kilometers per hour", "in2": "Knots"}, "factor": 0.5399568034557235, "hidden": true},
   {"slug": "milliliters-to-centiliters", "name": "Milliliters to Centiliters", "category": "volume", "type": "standard", "labels": {"in1": "Milliliters", "in2": "Centiliters"}, "factor": 0.01},
   {"slug": "milliliters-to-drams-fluid", "name": "Milliliters to Drams (fluid)", "category": "volume", "type": "standard", "teaser": "Convert milliliters into US fluid drams.", "labels": {"in1": "Milliliters", "in2": "Drams (fluid)"}, "factor": 0.270027},
@@ -1206,7 +1246,7 @@ export const calculators: CalculatorDef[] = [
   {"slug": "kilometers-per-second-to-speed-of-light", "name": "Kilometers per Second to Speed of Light", "category": "length", "type": "standard", "teaser": "Express a speed in kilometers per second as a fraction of c (299,792.458 km/s).", "labels": {"in1": "Kilometers per Second", "in2": "Speed of Light"}, "factor": 3.33564095198152e-06},
   {"slug": "knots-to-feet-per-second", "name": "Knots to Feet per Second", "category": "length", "type": "standard", "teaser": "Convert a nautical mile per hour into feet per second.", "labels": {"in1": "Knots", "in2": "Feet per Second"}, "factor": 1.6878098376},
   {"slug": "knots-to-kilometers-per-hour", "name": "Knots to Kilometers per Hour", "category": "length", "type": "standard", "teaser": "Convert knots to kilometers per hour.", "labels": {"in1": "Knots", "in2": "Kilometers per Hour"}, "factor": 1.852},
-  {"slug": "knots-to-meters-per-second", "name": "Knots to Meters per Second", "category": "length", "type": "standard", "teaser": "Convert knots to meters per second.", "labels": {"in1": "Knots", "in2": "Meters per Second"}, "factor": 0.5144444444},
+  {"slug": "knots-to-meters-per-second", "name": "Knots to Meters per Second", "category": "length", "type": "standard", "teaser": "Convert knots to meters per second.", "labels": {"in1": "Knots", "in2": "Meters per Second"}, "factor": 0.5144444444, "hidden": true},
   {"slug": "kpa-to-atmosphere", "name": "kPa to Atmosphere", "category": "pressure", "type": "standard", "teaser": "Convert kilopascals to atmospheres.", "labels": {"in1": "kPa", "in2": "Atmosphere"}, "factor": 0.00986923, "hidden": true},
   {"slug": "kpa-to-bar", "name": "kPa to Bar", "category": "pressure", "type": "standard", "teaser": "Convert kilopascals to bar.", "labels": {"in1": "kPa", "in2": "Bar"}, "factor": 0.01},
   {"slug": "kpa-to-pascal", "name": "kPa to Pascal", "category": "pressure", "type": "standard", "teaser": "Convert kilopascals to pascals.", "labels": {"in1": "kPa", "in2": "Pascal"}, "factor": 1000.0},