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Speed Converter
Convert mph, km/h, m/s, knots, and feet per second.
How to Use the Speed Converter
- Enter a speed value.
- Select the source and target speed units.
- The converted value appears instantly.
Formula & Method
All conversions go through meters per second. Factors: mph=0.447, kmh=0.278, kn=0.514, fts=0.305.
Examples
| From | To | Result |
|---|---|---|
| 60 mph | km/h | 96.56 km/h |
| 100 km/h | m/s | 27.78 m/s |
Frequently Asked Questions
What is a knot?
A nautical mile per hour, used in aviation and maritime.
How fast is the speed of sound?
About 343 m/s or 1,235 km/h at sea level.
What is Mach 1?
The speed of sound in the local medium.
🔥 Popular Speed Converter Results
Quick links to common calculations:
People Also Ask
How accurate is this calculator?
Our calculators use standard mathematical formulas and provide accurate results.
Can I use this on my phone?
Yes, all tools are fully responsive and work on any device.