CONVERTED SPEED
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Enter a speed and choose units to convert.
This calculator converts common metric, imperial and nautical speed units.
How to convert speed
Speed conversion means changing a speed measurement from one unit into another, such as miles per hour to kilometres per hour or metres per second to knots.
Example: 60 mph to km/h
1 mile per hour = 1.60934 kilometres per hour
60 mph = approximately 96.56 km/h
What this calculator is for
This speed converter helps convert between miles per hour, kilometres per hour, metres per second, feet per second and knots.
It may be useful for driving, cycling, running, aviation, boating, weather, engineering, sports tracking or general speed conversions.
Speed units
Miles per hour are commonly used in the UK for road speeds. Kilometres per hour are widely used internationally. Knots are commonly used in aviation and maritime navigation.
Important note
This calculator is for general informational purposes only. For aviation, engineering, navigation or safety-critical measurements, always verify figures using the required professional standard.
Frequently Asked Questions
What speed units can I convert?
You can convert miles per hour, kilometres per hour, metres per second, feet per second and knots.
How do I convert mph to km/h?
Multiply miles per hour by 1.60934.
What are knots?
Knots are a speed measurement mainly used in aviation and maritime navigation.
How many km/h is 60 mph?
60 mph is approximately 96.56 km/h.
What is metres per second used for?
Metres per second are commonly used in science, engineering and physics.