Unit Converter
Convert length, weight, temperature, area, volume, speed, data and time units.
How to use the Unit Converter
Choose a category, enter a value and pick units — every other unit in the category is shown at once.
Formula
Result = Value × (from factor ÷ to factor) · °F = °C × 9/5 + 32
Worked example
1 mile = 1.609344 km. 100 °F = 37.78 °C.
Frequently asked questions
Why are there two gallons?
The US gallon is 3.785 L; the imperial (UK) gallon is 4.546 L.
KB or KiB?
KB (kilobyte) is 1,000 bytes; KiB (kibibyte) is 1,024 bytes.
Results are estimates for educational and planning purposes. Always confirm important financial, health or legal decisions with a qualified professional. Last reviewed 2026-09-27.