Unit Converter
Convert length, weight, temperature, volume, area, speed and more instantly. Choose clearly labelled unit standards.
Private by design
Your inputs stay on your device and are not sent to our servers. Optional usage analytics does not receive your files or tool inputs.
More conversions & precision
Results use floating-point arithmetic, displayed to 12 significant digits. US and Imperial volumes are different; cups use the explicitly named standard. Time uses fixed 24-hour days, not calendar months. Temperature cannot be below absolute zero. Not for safety-critical measurements.
How to use Unit Converter
- Choose a category or a popular conversion.
- Select source and destination units, then enter a value.
- Read the live result, swap units or copy the unformatted value.
Useful things to know
Floating-point arithmetic, displayed to 12 significant digits. US and Imperial volume units are distinct; cups are explicitly labelled. Fixed-length time units do not represent calendar months or daylight-saving days. Temperatures below absolute zero are rejected. Not intended for safety-critical measurements.