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1 kilometer per hour to miles per hour

1 kilometer per hour = 0.621371 miles per hour

Rounded to a practical precision: 0.62 mph.

How the calculation works

One kilometer per hour is 0.621371 miles per hour, so:

1 km/h × 0.621371 = 0.621371 mph

Reversing it, 0.621371 miles per hour ÷ 0.621371 returns 1 kilometers per hour.

Nearby values

Kilometers Per HourMiles Per Hour
0.5 km/h0.310686 mph
1 km/h0.621371 mph
1.5 km/h0.932057 mph
2 km/h1.24274 mph
2.5 km/h1.55343 mph
3 km/h1.86411 mph

About these units

Kilometer per hour (km/h) — Kilometres per hour is the speed unit on road signs and speedometers in most countries.

Mile per hour (mph) — Miles per hour is the road speed unit of the United States and United Kingdom.

Frequently asked questions

How many miles per hour is 1 kilometer per hour?

1 kilometer per hour is 0.621371 miles per hour.

How do I convert kilometers per hour to miles per hour myself?

Multiply by 0.621371. To go back, divide by 0.621371 — or multiply by 1.60934.

Is this figure exact?

The conversion factor between the kilometer per hour and the mile per hour is fixed by definition. The figure above is rounded for readability; the converter carries full precision.

Convert other values

Full kilometers per hour to miles per hour converter · All speed converters