Speed Calculator
Speed Calculator — free online tool. Quick and easy to use.
Speed Calculator — Distance Over Time
Calculate speed, distance, or time with our free speed calculator. Simply enter any two values and the third is computed automatically.
Speed Formula
Speed = Distance ÷ Time — The fundamental relationship that governs all motion calculations. Our calculator uses this formula to derive whichever value you need.
How to Use
- Enter distance in kilometers (e.g., 100)
- Enter time in hours — use decimals for minutes (e.g., 1.5 for 1h30m)
- Click Calculate to see speed in km/h
Practical Examples
- Commute Speed: 30km in 0.5 hours = 60 km/h
- Marathon Pace: 42.2km in 4 hours = 10.55 km/h
- Road Trip: 500km in 6 hours = 83.3 km/h average
- Walking Speed: 5km in 1 hour = 5 km/h (typical walking pace)
Speed Unit Reference
- Walking: 4-6 km/h
- Running: 8-16 km/h
- Cycling: 15-30 km/h
- City driving: 30-60 km/h
- Highway driving: 80-130 km/h