21 km/h to m/s
Convert 21 kilometers per hour (km/h) to meters per second (m/s) with formulas, examples, and conversion tables.
km/h
m/s
21 km/h = 5.8333 m/s
Full precision:5.8333 m/s
Step-by-Step Solution
To convert 21 kilometers per hour to meters per second, we divide by 3.6 because one meter per second equals exactly 3.6 kilometers per hour.
1 meter per second = 3.6 kilometers per hour
Since there are 3.6 kilometers per hour in every meter per second, we divide our value by this factor:
21 ÷ 3.6 = 5.8333 meters per second
So 21 kilometers per hour = 5.8333 meters per second.
Quick check: 5.8333 × 3.6 = 21 kilometers per hour
Kilometers per Hour to Meters per Second Conversion Table
| Kilometers per Hour | Meters per Second |
|---|---|
| 1 km/h | 0.27778 m/s |
| 2 km/h | 0.55556 m/s |
| 3 km/h | 0.83333 m/s |
| 4 km/h | 1.1111 m/s |
| 5 km/h | 1.3889 m/s |
| 10 km/h | 2.7778 m/s |
| 20 km/h | 5.5556 m/s |
| 21 km/h | 5.8333 m/s |
| 50 km/h | 13.8889 m/s |
| 100 km/h | 27.7778 m/s |
21 Kilometers per Hour in Other Units
| Unit | 21 km/h = |
|---|---|
| km/h to m/s | 5.8333 m/s |
| Kilometers per Hour to Centimeters per Second | 583.334 cm/s |
| km/h to mph | 13.0488 mph |
| km/h to ft/s | 19.1382 ft/s |
| Kilometers per Hour to Inches per Second | 229.659 in/s |
| km/h to Knots | 11.3391 kn |
| km/h to Mach | 0.017142 Mach |
| Kilometers per Hour to Speed of Light | 1.9458e-8 c |
| Kilometers per Hour to Kilometers per Second | 0.0058333 km/s |