Number Converter

Welcome to your main source for number conversion. Make a selection from our huge list of converters to calculate and convert lengths, data sizes, temperatures, time and more.

Convert computer data

Bytes converter (Bit, Byte, Kilobyte, Megabyte, Gigabyte, Terabyte)

Resolution converter (Megapixel)

Color code converter (CMYK, Hexadecimal color, MS Access color, RGB)

Unicode converter (Text, Unicode, Unicode for HTML (decimal), Unicode for HTML (hexadecimal))

Convert length

Basic length converter (Foot, Inch, Kilometer, Meter, Nautical Mile, Statute Mile, Yard)

Metric length converter (Millimeter, Centimeter, Decimeter, Meter, Decameter, Hectometer, Kilometer)

Convert mass

Basic mass converter (Dram, Grain, Gram, Hundredweight (British), Hundredweight (US), Ounce, Pound , Quarter (British), Quarter (US), Ton (British), Ton (US), Troy Ounce)

Metric mass converter (Yoctogram, Zeptogram, Attogram, Femtogram, Picogram, Nanogram, Microgram, Milligram, Centigram, Decigram, Gram, Decagram, Hectogram, Kilogram, Megagram (Tonne), Gigagram, Teragram, Petagram, Exagram, Zettagram, Yottagram)

American mass converter (Grain, Dram, Ounce, Pound, Quarter, Hundredweight, Ton)

British mass converter (Dram, Ounce, Pound, Stone, Quarter, Hundredweight, Ton)

Convert math

Positional notation converter (Binary (Base 2), Ternary (Base 3), Quaternary (Base 4), Quinary (Base 5), Octal (Base 8), Decimal (Base 10), Duodecimal (Base 12), Hexadecimal (Base 16), Vigesimal (Base 20), Duotrigesimal (Base 32))

Angle converter (Degree, Grad, Minute of arc, Point, Radian, Second of arc)

Numeral system converter (Hindu-Arabic numerals, Roman numerals)

Convert speed

Basic speed converter (Foot per hour, Foot per second, Kilometer per hour, Kilometer per second, Knot, Meter per hour, Meter per second, Mile per hour, Mile per second, Speed of light, Speed of sound)

Convert temperature

Basic temperature converter (Celsius, Fahrenheit, Kelvin)

Advanced temperature converter (Celsius, Delisle, Fahrenheit, Kelvin, Newton, Rankine, Réaumur, Rømer)

Convert time / date

Basic time / date converter (Millisecond, Second, Minute, Hour, Day)

Zodiac sign time / date converter (Zodiac (Tropical), Zodiac (Western))