Unit Converter

Length (mm to miles, including traditional Korean units), weight (mg to metric tons, geun), temperature (Celsius/Fahrenheit/Kelvin), volume (mL to gallons), area (m² to pyeong/acres), and speed (m/s to knots).

Yes. Commonly used Korean units like pyeong (area), geun (weight), and ri/ja (length) are included alongside standard units.

Yes. Length and weight just multiply by a ratio, but temperature needs a separate formula between Celsius, Fahrenheit, and Kelvin, so it's handled independently.

Results are shown with up to 6 decimal places. Very small discrepancies can come from rounding.

No. All calculations happen entirely in your browser and are never sent to or stored on a server.