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Radix / base converter

Unit and format converters: radix, length/area/mass/volume/density/pressure/time, temperature, bytes (binary/decimal), English number words, coordinates, and box geometry. Everything runs locally in your browser with swap, copy, and quick reference tables.

Convert integers between bases 2–36; negatives supported; large values use BigInt.

Value

From presets

From base (2–36)To base (2–36)

To presets

Resultff

Decimal value: 255

About radix conversion

Bases 2–36; letters a–z are digits 10–35. Integers only; sign preserved.

Hex is common for colours (#FF) and addresses; binary can be shown in groups of four bits.