Convert between length, weight, and temperature units — results update live as you type.
Choose a category — Length, Weight, or Temperature — then type a value into either field and pick the units. The other field updates instantly. Use the ⇄ button to quickly swap which unit you're converting from and to.
Conversions use standard, precise conversion factors (e.g. 1 inch = 2.54 cm exactly), so results are accurate to several decimal places.
Yes — type a number into either field and the other one updates automatically, so you can convert in whichever direction you need.
Temperature scales (Celsius, Fahrenheit, Kelvin) don't share a common zero point like length or weight units do, so they use a different formula rather than a simple multiplier.
Length covers mm, cm, m, km, inches, feet, yards, and miles. Weight covers mg, g, kg, ounces, pounds, and stone. Temperature covers Celsius, Fahrenheit, and Kelvin.
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