Speed Converter
Convert speeds between m/s, km/h, mph, feet per second and knots.
Speed Converter
Convert speeds between m/s, km/h, mph, feet per second and knots.
How to use the Speed Converter
- Enter the speed value.
- Select source and target units.
- Click Calculate.
Formula
Result = Value / SourceFactor × TargetFactor
Factors are in m/s.
Example
100 mph to km/h: 100 × 1.60934 = 160.93 km/h.
Step-by-step calculation
- Convert to m/s: 100 × 0.44704 = 44.704 m/s.
- Convert to km/h: 44.704 / 0.27778 = 160.93 km/h.
Real-world uses
- Driving speed limit conversion.
- Aviation and maritime navigation.
- Athletic performance comparison.
Common mistakes
- Confusing mph and km/h.
- Forgetting that knots are nautical miles per hour.
- Mixing up meters per second with kilometers per hour.
Frequently asked questions
What is a knot?
One nautical mile per hour ≈ 1.151 mph ≈ 1.852 km/h.
Why do pilots and sailors use knots?
Knots relate directly to navigation: 1 knot = 1 nautical mile per hour.
Which units are supported?
m/s, km/h, mph, ft/s, knots.