Unit Converter
Convert length and weight between metric and imperial units instantly.
Enter a value to convert.
What this calculator does
Pick a measurement type, enter a value and convert between metres, kilometres, miles, feet, inches, kilograms, pounds, ounces and more.
Inputs and what they mean
- Measurement
- — choice value.
- Value
- — number value.
- From
- — choice value.
- To
- — choice value.
How to use it
- Choose a measurement category and enter a value.
- Choose source and destination units, or swap them.
- Copy the instant result.
Formula
Every unit converts through one defined base unit. Temperature uses custom scale-and-offset functions.
Worked example
Metres to feet
Convert one metre to feet.
Reading the result
The headline figure is the main answer. Any breakdown underneath shows the parts that make it up, so you can check the working and see what changes when you adjust an input.
Limitations and assumptions
Results depend entirely on the figures you enter and are rounded for display. They are for general information and education, not professional advice.