Speed Converter
Speed measures distance traveled per unit time
km/h → mph
0.6214 mph
Speed measures distance traveled per unit time. Meters per second fit calculations, kilometers per hour and miles per hour describe road travel, and knots cover aviation and marine navigation. Use the converter to compare vehicle specs and route estimates.
All unit results
| Supported Units | Value |
|---|---|
| Meter per Second m/s | 0.2778 |
| Kilometer per Hour km/h | 1 |
| Mile per Hour mph | 0.6214 |
| Knot kn | 0.54 |
| Foot per Second ft/s | 0.9113 |
| Speed of Light c | 9.26566931e-10 |
| Millimeter per Second mm/s | 277.7778 |
How to Use
Enter the value and your starting unit, such as kilometer per hour or mile per hour, and your desired target unit from the dropdown menus. The tool will instantly output the precise speed conversion, along with a complete list of equivalent measurements. You can also quickly copy the value with or without units.
When to Use
Meters per second fit calculations, kilometers per hour and miles per hour describe road travel, and knots cover aviation and marine navigation. Use the converter to compare vehicle specs and route estimates.
Common Speed Conversions
| 1 Kilometer per Hour (km/h) | = | 0.6214 Mile per Hour (mph) |
| 1 Meter per Second (m/s) | = | 3.6 Kilometer per Hour (km/h) |
| 1 Mile per Hour (mph) | = | 0.869 Knot (kn) |
| 1 Foot per Second (ft/s) | = | 1.01670336e-9 Speed of Light (c) |
Quick Conversion Links
Supported Units
Common Questions
What is the Speed converter used for?
Speed measures distance traveled per unit time. Meters per second fit calculations, kilometers per hour and miles per hour describe road travel, and knots cover aviation and marine navigation. Use the converter to compare vehicle specs and route estimates.
How fast is 1 knot compared to MPH and km/h?
One knot (kt) equals one nautical mile per hour. This translates exactly to 1.15078 miles per hour (mph) or 1.852 kilometers per hour (km/h).