Speed converter
Convert speed limits, running paces and wind speeds. 100 km/h is about 62 mph, and one knot is one nautical mile per hour (1.852 km/h).
Processed on your deviceHow to convert units
- 1
Choose a category such as length, weight or temperature.
- 2
Type a value and pick the units to convert from and to. Use ⇄ to swap them.
- 3
Read the result, plus the same value in every other unit of that category.
Frequently asked questions
Are US and UK gallons different?
Yes. A US gallon is 3.785 liters and a UK (imperial) gallon is 4.546 liters. Cups, pints and fluid ounces here are US measures.
Is a megabyte 1,000 or 1,024 kilobytes?
Both are used. MB, GB and TB here are decimal (1 MB = 1,000,000 bytes), as used by storage makers and macOS. MiB, GiB and TiB are binary (1 MiB = 1,048,576 bytes); Windows uses binary sizes but labels them KB, MB and GB.
How do I convert Celsius to Fahrenheit?
Multiply by 9/5 and add 32. For example, 20 °C × 9/5 + 32 = 68 °F.