Speed Converter
1 Kilometers per hour = 0.6213711922 Miles per hour
| Meters per second | 0.2777777778 |
| Miles per hour | 0.6213711922 |
| Feet per second | 0.9113444153 |
| Knots | 0.5399568035 |
How to convert speed
- Type a value and choose the unit you have and the unit you want.
- The answer updates as you type, and the table shows the value in every other unit.
- Use ⇄ to swap the two units.
Frequently asked questions
How do I convert km/h to mph?
Multiply by about 0.6214. For example, 100 km/h is about 62.1 mph.
What is a knot?
A knot is one nautical mile per hour, exactly 1.852 km/h. It is used at sea and in aviation.