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Unit conversion without opening a browser

Five kinds of unit and 35 units, converting as you type, with Swap and Copy. It remembers your last choices.

What it does

Length
Meters, kilometers, centimeters, millimeters, miles, yards, feet, inches, nautical miles.
Mass
Kilograms, grams, milligrams, metric tons, pounds, ounces, stone.
Temperature
Celsius, Fahrenheit, Kelvin. It refuses values below absolute zero.
Volume
Liters, milliliters, cubic meters, US gallons, quarts, pints, cups and fluid ounces, tablespoons (US), teaspoons (US), imperial gallons.
Speed
Meters per second, kilometers per hour, miles per hour, knots, feet per second.

Good to know

Limits and defaults, stated plainly.

No currency, area, data sizes or time zones.

Questions

Converter: questions

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