MPH to KM/H converter

Type a number in miles per hour to see it in kilometres per hour straight away. 1 mph = 1.6093 km/h.

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Miles per hour to kilometres per hour chart

Pick a type. Length, weight, temperature, volume, area, speed, data size or time.
Type a number. Choose the units on both sides; the answer appears as you type.
See every unit. The table shows your amount in all units at once.

How many kilometres per hour are in a mile per hour?

1 mile per hour = 1.6093 kilometres per hour.

How do I convert miles per hour to kilometres per hour?

To convert miles per hour to kilometres per hour, multiply by 1.6093. For example, 70 mph = 112.6541 km/h.

How do I convert kilometres per hour back to miles per hour?

Use the kilometres per hour to miles per hour converter, or swap the units with the arrow button above.

How many centimetres are in an inch?

Exactly 2.54 centimetres.

How do I convert Celsius to Fahrenheit?

Multiply by 9/5 and add 32. For example 20 °C is 68 °F.

Is a gigabyte 1000 or 1024 megabytes?

Officially 1000 (GB). 1024 is a gibibyte (GiB), which some computers still label GB. Both are listed.