How accurate is currency conversion?

Currency uses daily-updated rates from public FX APIs. Rates lag 1–24 hours behind interbank — fine for estimates, not for trading.

Does it support imperial and metric?

Yes. Length covers mm, cm, m, km, in, ft, yd, mi. Weight covers g, kg, oz, lb. Temperature: C, F, K, Rankine.

Inputs stay local. Only currency conversion pings a public FX feed — no personal data.

Not yet. Standard SI and imperial units are supported.

Yes for everything except currency (needs live rates).

Yes. Volume category covers cups, tablespoons, teaspoons, milliliters, fluid ounces, etc.

Convert between units of length, weight, temperature, and more

Runs entirely in your browser

From

1 m = 0.001 km

ALL TOOLS · THE CATALOG

34 single-purpose utilities · runs local

All tools process files entirely in your browser · Your data never leaves your device

Unit Converter — Length, Weight, Temp, Currency

Convert between any units — length, weight, temperature, volume, area, speed, energy — plus live currency conversion. Fast, accurate, no sign-up.

Pick a category. Choose Length, Weight, Temperature, Volume, Area, Speed, Energy, or Currency.
Enter a value. Type any number. Negative and decimal values are supported.
Pick source and target units. Select what you have (meters, pounds, Fahrenheit, etc.) and what you want.
Read the result. See the conversion live. Switch source ↔ target with one click.

How accurate is currency conversion?: Currency uses daily-updated rates from public FX APIs. Rates lag 1–24 hours behind interbank — fine for estimates, not for trading.
Does it support imperial and metric?: Yes. Length covers mm, cm, m, km, in, ft, yd, mi. Weight covers g, kg, oz, lb. Temperature: C, F, K, Rankine.
Is my data stored?: Inputs stay local. Only currency conversion pings a public FX feed — no personal data.
Can I add custom units?: Not yet. Standard SI and imperial units are supported.
Does it work offline?: Yes for everything except currency (needs live rates).
Does it support cooking units?: Yes. Volume category covers cups, tablespoons, teaspoons, milliliters, fluid ounces, etc.