Convert between different units of measurement. Free, no signup required. Use it right in your browser.
What it does, limits, use cases, tips, and answers to common questions.
Unit conversion is arithmetic plus a table of factors: meters to feet, kilograms to pounds, Celsius to Fahrenheit. This converter is for everyday quantities, not laboratory grade metrology.
Temperature is affine (not a simple multiply). Mixing that up is the classic bug. If you are dosing medication or engineering a part, use a calibrated instrument and official tables, not a website.
The page runs locally. It does not fetch live currency. Use the currency converter for money.
Factors are standard textbook values, not a legal for trade scale.
Currency is a different tool because rates change.
Compound units (kWh, psi) need the matching category.
Cooking (cups vs grams still need density. This is not a recipe scaler).
Travel (miles vs kilometers).
School homework checks.
For body weight, pick mass, not force (newtons).
Because the scales have different zeros. The tool accounts for that.
No. Use the currency converter.