Speed Converter
Convert a speed between units — meters per second, kilometers per hour, miles per hour, knots, and feet per second.
- Free to use
- Accurate results
- No registration required
- Works on all devices
Enter a speed and choose a from/to unit to convert between km/h, mph, m/s, knots, and ft/s.
Your result
27.778
Converted value
AI explanation
Formula
Converted value = amount × (from-unit-to-mps factor) ÷ (to-unit-to-mps factor)Worked example
100 km/h to m/s
| Field | Value |
|---|---|
| Speed | 100 |
| From unit | kmph |
| To unit | mps |
| Converted value | 27.777778 |
Assumptions
- A knot is defined using the international nautical mile (1 nautical mile = 1852 m exactly).
Frequently asked questions
How do I convert km/h to m/s quickly?
Divide by 3.6 — for example, 100 km/h ÷ 3.6 ≈ 27.78 m/s.
What is a knot?
A knot is 1 nautical mile per hour, used in maritime and aviation contexts — 1 knot ≈ 1.852 km/h.
Is this related to the Pace Converter?
Speed (distance per time) and pace (time per distance, like minutes per kilometer) are inverse concepts — this calculator handles speed directly.