Velocity & Speed Conversion Calculator
Convert velocity and speed between various units instantly
Instant Conversion
3.6
Common Velocity & Speed Conversions
💡 Quick Reference: This calculator supports 29 different velocity and speed units including metric (m/s, km/h), Imperial/US (mph, ft/s, in/s), nautical (knots), and special units (speed of light, Mach, cosmic velocities). All conversions are performed instantly as you type. Common reference: Speed of light ≈ 299,792,458 m/s; Speed of sound ≈ 343 m/s (at 20°C, sea level).
⚠ Disclaimer: This tool is intended for general reference and educational purposes. While we strive for accuracy, please verify critical conversions independently. piping-world.com accepts no liability for errors or actions taken based on the output of this calculator.
Below is the Table of common Velocity Conversion units
| Unit | Symbol | Basis | Meters/second (m/s) | Kilometers/hour (km/h) | Feet/second (ft/s) | Miles/hour (mph) | Knots (kn) |
|---|---|---|---|---|---|---|---|
| Meter per second | m/s | Metric SI | 1 | 3.6 | 3.28084 | 2.23694 | 1.94384 |
| Kilometer per hour | km/h | Metric | 0.277778 | 1 | 0.911344 | 0.621371 | 0.539957 |
| Foot per second | ft/s | US / Imperial | 0.3048 | 1.09728 | 1 | 0.681818 | 0.592484 |
| Mile per hour | mph | US / Imperial | 0.44704 | 1.60934 | 1.46667 | 1 | 0.868976 |
| Knot | kn | Marine | 0.514444 | 1.852 | 1.68781 | 1.15078 | 1 |