Length converter
Convert any length between metric and imperial units. One inch is exactly 2.54 cm and one mile is exactly 1,609.344 m, so results are precise.
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.