Speed Converter
Convert speed units including meter/second, kilometer/hour, mile/hour, meter/hour, meter/minute and many more speed units instantly and accurately.
Popular Speed Conversions
Quick access to the most commonly used speed conversions.
About Speed Units
Free online speed converter - converts between 33 units of speed, including meter/second [m/s], kilometer/hour [km/h], mile/hour [mi/h], break, etc. Also, explore many other unit converters or learn more about speed unit conversions. Different unit systems are used worldwide, including the Metric System (SI) and the Imperial / US Customary System.
Metric System (SI)
The metric system is the most widely adopted international measurement standard. The base unit is the meter/second.
Imperial System (US)
The imperial system is commonly used in the United States and specialized international industries including aviation and maritime navigation.
Common Speed Units
Here are some of the most common speed units and their abbreviations.
| Unit | Symbol | Type | In Meter/second |
|---|---|---|---|
| Meter/second | m/s | Metric (base) | 1 m/s |
| Kilometer/hour | km/h | Metric | 0.277778 m/s |
| Mile/hour | mi/h | Imperial | 0.44704 m/s |
| Meter/hour | m/h | Metric | 0.000278 m/s |
| Meter/minute | m/min | Metric | 0.016667 m/s |
| Kilometer/minute | km/min | Metric | 16.666667 m/s |
| Kilometer/second | km/s | Metric | 1000 m/s |
| Centimeter/hour | cm/h | Metric | 0.000003 m/s |
| Centimeter/minute | cm/min | Metric | 0.000167 m/s |
| Centimeter/second | cm/s | Metric | 0.01 m/s |
Common Conversion Formulas
Here are some useful speed conversion formulas.
Frequently Asked Questions
Find answers to common questions about speed conversion.
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