How to use the Speed Converter
- Enter the speed.
- Choose the units.
- Read the answer and the speed in every other unit.
How it's calculated
Show the formula
Value in new unit = value × (old unit in m/s) ÷ (new unit in m/s)
Worked example
These are the example numbers the calculator opens with. Change any of them above to see your own result.
You enter
| Value | 120 |
|---|---|
| From | km/h |
| To | mph |
You get
| 120 km/h | 74.564543 mph |
|---|---|
| m/s | 33.333333 |
| mph | 74.564543 |
| knot | 64.794872 |
Tips
- The motorway limit in Pakistan for cars is 120 km/h, about 75 mph.
Frequently asked questions
How do I convert km/h to m/s?
Divide by 3.6: 72 km/h = 20 m/s.
What is a knot?
One nautical mile per hour, about 1.852 km/h, used for ships and aircraft.