1 kilometer/hour = 0.6213711922 mile/hour
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| Unit | Symbol | Value |
|---|
About the Speed Converter
Convert speed between kilometers per hour, miles per hour, meters per second, feet per second and knots — plus Mach, the speed of light and other reference speeds. The base unit is the meter/second; every one of the 32 units is defined against it, so any pair converts directly in a single step.
Use it as a free online speed calculator: type a value and the result appears as you type, the formula for the selected units is shown below, and the conversion chart lists the most common values — no app, no sign-up.
How to Convert kilometer/hour to mile/hour
To convert kilometer/hour to mile/hour, multiply the value in kilometer/hour by 0.6213711922.
kilometer/hour to mile/hour conversion chart
| kilometer/hour | mile/hour |
|---|---|
| 0.1 | 0.06213711922 |
| 1 | 0.6213711922 |
| 2 | 1.242742384 |
| 5 | 3.106855961 |
| 10 | 6.213711922 |
| 20 | 12.42742384 |
| 50 | 31.06855961 |
| 100 | 62.13711922 |
| 500 | 310.6855961 |
| 1,000 | 621.3711922 |
Common speed conversions
- 1 kilometer/hour = 0.6213711922 mile/hour
- 1 kilometer/hour = 0.2777777778 meter/second
- 1 kilometer/hour = 0.0002777777778 kilometer/second
- 1 kilometer/hour = 1,666.666667 centimeter/minute
- 1 kilometer/hour = 16,666.66667 millimeter/minute
- 1 kilometer/hour = 0.01035618654 mile/minute
- 1 kilometer/hour = 3,280.839895 foot/hour
- 1 kilometer/hour = 1,093.613298 yard/hour
- 1 kilometer/hour = 9.265669311E-10 Velocity of light in vacuum
- 1 kilometer/hour = 0.000187345908 Velocity of sound in pure water
Popular speed converters
How to Use the Speed Converter
- Type a value in the From box and choose its unit.
- Pick the unit you want in the To list — the result updates as you type.
- Use the swap button to reverse the conversion, or type in the To box to convert backwards.
- Check the All conversions table to see your value in every unit; click a row to make it the target.
Frequently Asked Questions
How do I convert kilometer/hour to mile/hour?
To convert kilometer/hour to mile/hour, multiply the value in kilometer/hour by 0.6213711922. For example, 1 kilometer/hour = 0.6213711922 mile/hour. Type any value above and the answer updates as you type.
How many miles/hour are in a kilometer/hour?
There are 0.6213711922 miles/hour in 1 kilometer/hour. To convert kilometers/hour to miles/hour, multiply by 0.6213711922 — for example, 10 kilometers/hour = 6.213711922 miles/hour. To go the other way, divide by 0.6213711922.
How many kilometers/hour are in a mile/hour?
There are 1.609344 kilometers/hour in 1 mile/hour. To convert miles/hour to kilometers/hour, multiply by 1.609344 — for example, 10 miles/hour = 16.09344 kilometers/hour. To go the other way, divide by 1.609344.
How many kilometers/hour are in a meter/second?
There are 3.6 kilometers/hour in 1 meter/second. To convert meters/second to kilometers/hour, multiply by 3.6 — for example, 10 meters/second = 36 kilometers/hour. To go the other way, divide by 3.6.
How many miles/hour are in a knot?
There are 1.150779448 miles/hour in 1 knot. To convert knots to miles/hour, multiply by 1.150779448 — for example, 10 knots = 11.50779448 miles/hour. To go the other way, divide by 1.150779448.
How many kilometers/hour are in a knot?
There are 1.852 kilometers/hour in 1 knot. To convert knots to kilometers/hour, multiply by 1.852 — for example, 10 knots = 18.52 kilometers/hour. To go the other way, divide by 1.852.
How many miles/hour are in a foot/second?
There are 0.6818181818 miles/hour in 1 foot/second. To convert feet/second to miles/hour, multiply by 0.6818181818 — for example, 10 feet/second = 6.818181818 miles/hour. To go the other way, divide by 0.6818181818.
How many meters/second are in a kilometer/hour?
There are 0.2777777778 meters/second in 1 kilometer/hour. To convert kilometers/hour to meters/second, multiply by 0.2777777778 — for example, 10 kilometers/hour = 2.777777778 meters/second. To go the other way, divide by 0.2777777778.
What is the base unit for speed conversions?
The meter/second. Every one of the 32 units in this converter is defined relative to the meter/second, so any two units convert directly in one step.
How many units does the Speed Converter support?
The Speed Converter handles 32 units. You can convert between any two of them, or see your value in every unit at once in the "All conversions" table.
How accurate is this speed converter?
Conversions use exact definitions wherever one exists (for example the international inch is exactly 2.54 cm and the pound exactly 0.45359237 kg) and calculate in double precision. Choose how many significant digits to show — up to 15.
How do I use the Speed Converter?
Type a value in the From box and pick its unit, then pick the unit you want in the To list — the answer updates as you type. Use the swap button to reverse the conversion, or open the "All conversions" table to see the value in every unit.
Is the Speed Converter free, and does it work offline?
Yes, it is completely free with no sign-up. Once the page has loaded, every conversion runs in your browser, so nothing is sent to our servers. It's one of 71 common and other unit converters on House of Convert.