Kilometers per hour to Miles per hour
1 km/h ≈ 0.6214 mph. Edit either value to convert instantly.
Conversion formula
mph = km/h × (5 / 18) × (3,125 / 1,397)1 km/h ≈ 0.621371 mph
kilometer per hour (km/h)
Kilometer per hour is a unit of speed: 1 km/h = 5/18 m/s.
Source: BIPM, The International System of Units (SI), 9th edition
mile per hour (mph)
Mile per hour is a unit of speed: 1 mph = 0.44704 m/s.
Source: NIST SP 811, Appendix B.9: conversion factors by quantity
Conversion table
| km/h | mph |
|---|---|
| ≈ 0.621371 | |
| ≈ 1.24274 | |
| ≈ 3.10686 | |
| ≈ 6.21371 | |
| ≈ 9.32057 | |
| ≈ 12.4274 | |
| ≈ 15.5343 | |
| ≈ 18.6411 | |
| ≈ 24.8548 | |
| ≈ 27.9617 |
| km/h | mph |
|---|---|
| ≈ 31.0686 | |
| ≈ 37.2823 | |
| ≈ 43.496 | |
| ≈ 49.7097 | |
| ≈ 55.9234 | |
| ≈ 62.1371 | |
| ≈ 93.2057 | |
| ≈ 99.4194 | |
| ≈ 105.633 | |
| ≈ 111.847 |
Frequently asked questions
How many miles per hour are in 1 kilometer per hour?
1 km/h ≈ 0.6214 mph. mph = km/h × (5 / 18) × (3,125 / 1,397)
How do I convert km/h to mph?
mph = km/h × (5 / 18) × (3,125 / 1,397)
Is 1 kilometer per hour bigger than 1 mile per hour?
1 km/h ≈ 0.6214 mph.
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