Speed converter
Unit conversionHow fast is that in other units?
Convert between kilometres per hour, miles per hour, metres per second, knots and feet per minute.
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Result
96.56064 km/h
60 miles per hour equals 96.56064 kilometres per hour
- The other way round: 1 km/h ≈ 0.6214 mph.
In all units
- Metres per second
- 26.8224 m/s
- Kilometres per hour
- 96.56064 km/h
- Miles per hour
- 60 mph
- Knots
- 52.14 kt
- Feet per minute
- 5,280 ft/min
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Convert between kilometres per hour, miles per hour, metres per second, knots and feet per minute.
How to use
- Type the speed you want to convert.
- Choose the units to convert from and to. Use the swap button to flip them.
How it works
Every unit is converted through metres per second using exact definitions: 1 km/h is 1,000 m per 3,600 s, a mile is exactly 1,609.344 m so 1 mph is 0.44704 m/s, and a knot is one nautical mile (exactly 1,852 m) per hour. So 100 km/h is 100 ÷ 1.609344 ≈ 62.14 mph, and 1 knot is exactly 1.852 km/h.
The mile comes from NIST Special Publication 811 and the nautical mile from the BIPM SI Brochure. Feet per minute (0.3048 m per 60 s) is the unit pilots use for climb and descent.
Mach is not offered. A Mach number is a fraction of the speed of sound, which changes with air temperature and altitude, so there is no single factor to convert it by.
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Frequently asked questions
How many mph is 100 km/h?
About 62.14 mph. Divide km/h by 1.609344, or multiply by 0.6214.
How fast is a knot?
Exactly 1.852 km/h, or about 1.151 mph. One knot is one nautical mile per hour, used at sea and in aviation.
How do I convert m/s to km/h?
Multiply by 3.6. For example 10 m/s is 36 km/h.
Can I convert speed to running pace?
Pace is time per distance, so use 60 ÷ speed in km/h for minutes per kilometre. At 12 km/h the pace is 5 min/km; pace is not an output unit here.
Can I convert Mach with a fixed multiplier?
No. The speed of sound changes with temperature. Use the airspeed calculator when you know the flight conditions.
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