Unit Converter Calculator
Convert length, weight, volume, temperature, speed, area and more with fast, accurate and human-friendly unit conversions.
Try: 10 km to miles, 5′8″ to cm, or 7 lb 4 oz to kg.
Accurate conversion, with the context shown.
A unit converter calculator changes a value from one unit into another using a shared physical definition. This hub also recognizes common compound inputs, labels US and Imperial units, and keeps fixed-unit conversions local to your browser.
Unit Converter FAQ
What is a unit converter calculator?
It converts a value between compatible units, such as centimeters and inches or kilograms and pounds.
Can I use this unit converter for money?
Use the separate Currency Converter for money. Currency rates change, unlike fixed physical-unit factors.
What is the difference between US and Imperial units?
Some volume units share a name but not a value. This tool labels US and Imperial units separately rather than silently choosing one.
Are my conversions uploaded?
No. Fixed physical-unit conversion runs in your browser.