The Speed Formula
The fundamental relationship between speed, distance, and time is:
Speed = Distance ÷ Time
Distance = Speed × Time
Time = Distance ÷ Speed
How to Use This Calculator
- Select what you want to calculate (Speed, Distance, or Time).
- Enter the known values with their units.
- Click "Calculate" to see the result.
Common Speed Units
- km/h: Kilometers per hour (common for cars)
- mph: Miles per hour (used in US/UK)
- m/s: Meters per second (SI unit)
- knots: Nautical miles per hour (used in aviation and maritime)
Important Notes
- Always ensure consistent units when entering values.
- This calculator assumes constant speed (no acceleration).
- For real-world applications, consider factors like wind resistance, terrain, etc.