Unit Converter
Convert between Length, Weight, Volume, Temperature, Area, and Speed units.
Deep Dive
Convert units across categories including length, weight, volume, temperature, speed, area, and time. All conversion factors are hard-coded and accurate — no internet connection required. Conversion is instant and runs entirely in the browser.
Who uses this?
- Converting recipe measurements from US cups to millilitres
- Converting a vehicle speed from mph to km/h
- Checking a running pace in minutes per kilometre vs. per mile
- Converting property area from square feet to square metres
Examples
Input
5 milesOutput
8.047 kmInput
98.6 °FOutput
37 °CCommon Errors & Fixes
Temperature conversion gives a nonsensical result
Temperature is not a multiplicative conversion. Ensure you selected the Temperature category, not a generic multiplier.
Result has many decimal places
Round to the required precision. The tool displays full precision to avoid rounding errors in chained conversions.
Expert FAQ
Does it support metric and imperial units?
Yes. Both metric (km, kg, L, °C) and imperial (mi, lb, fl oz, °F) units are supported across all categories.
How is temperature conversion handled?
Temperature uses additive formulas (e.g., °C to °F: multiply by 9/5 and add 32), not a simple multiplication factor.
Can I convert cooking measurements?
Yes. Volume conversion includes cups, tablespoons, teaspoons, fl oz, mL, and L.