Speed Converter
Convert speed between km/h, mph, m/s, knots, and feet per second instantly.
Speed Converter
Speed Converter
km/h, mph, m/s, knots, ft/s
Converted Speed
Smart Insights
Personalized takeaways from your numbers.
Real-Life Examples
100 km/h to mph
The Formula Behind It
Target = Source × conversion factorHow It Works
- Enter the speed value to convert.
- Select source unit (km/h, mph, m/s, knots, ft/s).
- Select target unit and view result instantly.
About Speed Converter
The Speed Converter converts between km/h, mph, m/s, knots, and ft/s. Essential for driving abroad, aviation, maritime navigation, physics homework, and sports science.
Frequently Asked Questions
How do I convert km/h to mph?
Multiply km/h by 0.621371. Example — 100 km/h ≈ 62.14 mph.
What is a knot?
One knot = one nautical mile per hour ≈ 1.852 km/h. Used in aviation and maritime navigation.
How do I convert mph to m/s?
Multiply mph by 0.44704. Useful for physics and engineering calculations.
Which units are supported?
km/h, mph, m/s, knots, and ft/s with instant bidirectional conversion.
Are conversions exact?
We use standard international conversion factors accurate to six decimal places.
Can I swap units?
Yes. Use the swap button to reverse source and target units.