Converters
Pick a category, type a value, choose the units. A table underneath shows the value in every unit of that category at the same time, and any row copies with a click.
Open The Converter
14 categories and 104 units, plus a number base converter for decimal, hexadecimal, binary and octal. Temperature and fuel economy handle their non-linear formulas correctly.
Open ConvertersEvery Category And Unit
- 📏 Length: Millimeter, Centimeter, Meter, Kilometer, Inch, Foot, Yard, Mile, Nautical mile
- ⚖️ Weight: Milligram, Gram, Kilogram, Metric ton, Ounce, Pound, Stone, US ton
- 🌡️ Temperature: Celsius, Fahrenheit, Kelvin
- 🥛 Volume: Milliliter, Liter, Teaspoon (US), Tablespoon (US), Fluid ounce (US), Cup (US), Pint (US), Quart (US), Gallon (US), Gallon (UK), Cubic meter
- 🟦 Area: Square millimeter, Square centimeter, Square meter, Hectare, Square kilometer, Square inch, Square foot, Square yard, Acre, Square mile
- 🚀 Speed: Meters per second, Kilometers per hour, Miles per hour, Knot, Feet per second, Mach (sea level)
- ⏱️ Time: Millisecond, Second, Minute, Hour, Day, Week, Month (30 d), Year (365 d)
- 💾 Data: Bit, Byte, Kilobyte (1000), Megabyte, Gigabyte, Terabyte, Kibibyte (1024), Mebibyte, Gibibyte, Tebibyte
- ⚡ Energy: Joule, Kilojoule, Calorie, Kilocalorie (food Cal), Watt-hour, Kilowatt-hour, BTU, Electronvolt
- 🎈 Pressure: Pascal, Kilopascal, Bar, Atmosphere, PSI, mmHg (torr)
- 📐 Angle: Degree, Radian, Gradian, Turn, Arcminute
- ⛽ Fuel economy: Miles per gallon (US), Miles per gallon (UK), Liters per 100 km, Kilometers per liter
- 🖥️ CSS units: Pixel, rem (16 px root), em (16 px), Point, Pica, Inch (96 px), Centimeter, Millimeter
- 🍳 Cooking (water): Gram, Milliliter, Teaspoon, Tablespoon, Cup (US), Ounce (weight), Pound, Stick of butter
- 🔢 Number base: Decimal, Hexadecimal, Binary, Octal