Speed Converter
The meter per second (m/s) is the base speed unit here, so every one of the 5 units below, including kilometers per hour and miles per hour, converts through it. Enter a value, pick your units, and the result updates instantly, all in your browser.
All speed units
| Unit | Symbol | 1 unit in meters per second |
|---|---|---|
| Meter per second | m/s | 1 |
| Kilometer per hour | km/h | 0.277778 |
| Mile per hour | mph | 0.44704 |
| Foot per second | ft/s | 0.3048 |
| Knot | kn | 0.514444 |
All speed conversions
Speed converters move between meters per second, kilometers per hour, miles per hour and knots. The meter per second is the base unit, so every other speed is defined as a fixed multiple of it.
Frequently asked questions
How do I convert mph to km/h?
Multiply miles per hour by 1.609344 to get kilometers per hour. So 60 mph is about 96.56 km/h. Divide by the same number to reverse it.
What is a knot in mph?
One knot is one nautical mile per hour, which equals about 1.15078 mph or 1.852 km/h. Knots are standard in aviation and marine navigation.
How fast is one meter per second?
One meter per second equals 3.6 kilometers per hour, or about 2.237 miles per hour. It is the SI base unit for speed.