Free browser tool
Unit converter
Convert length, weight and temperature with clear units and no upload.
How to use this tool
Length and mass use fixed conversion factors: 1 inch = 0.0254 metres and 1 pound = 0.45359237 kilograms. Temperature uses °F = °C × 9/5 + 32. Only units in the same measurement family can be compared. The display rounds long results; keep your original measurements when precision matters.
Private by design
The calculation runs in your browser. There is no account requirement, input upload or subscription. Clear the fields when using a shared device.