Other Converters
Numbers (Base) Converter
Convert numbers between binary, octal, decimal, hexadecimal and other positional bases from 2 to 36. Uses arbitrary-precision digit conversion for exact results.
NUMBERS (BASE) CONVERTER — INSTANT RESULT
All supported units — numbers (base)
| Unit | Symbol | To decimal | From decimal |
|---|---|---|---|
| Binary (base 2) | base 2 | base 2 positional notation | |
| Ternary (base 3) | base 3 | base 3 positional notation | |
| Quaternary (base 4) | base 4 | base 4 positional notation | |
| Octal (base 8) | base 8 | base 8 positional notation | |
| Decimal (base 10) | base 10 | base 10 positional notation | |
| Duodecimal (base 12) | base 12 | base 12 positional notation | |
| Hexadecimal (base 16) | base 16 | base 16 positional notation | |
| Vigesimal (base 20) | base 20 | base 20 positional notation | |
| Base 36 | base 36 | base 36 positional notation | |
Popular numbers (base) conversions
base 2 to base 10base 10 to base 2base 16 to base 10base 10 to base 16base 8 to base 10base 2 to base 16base 16 to base 2base 2 to base 8
Frequently asked questions
What units does this numbers (base) converter support?
It supports 9 units: Binary (base 2) (base 2), Ternary (base 3) (base 3), Quaternary (base 4) (base 4), Octal (base 8) (base 8), Decimal (base 10) (base 10), Duodecimal (base 12) (base 12), Hexadecimal (base 16) (base 16), Vigesimal (base 20) (base 20), Base 36 (base 36).
What is the base unit of numbers (base)?
The SI reference unit is the decimal. Every conversion is computed by converting the input to the base unit, then from the base unit to the target unit, so chained precision is preserved.
Is this converter accurate?
Yes. Conversion factors use exact legal definitions where they exist (for example 1 in = 25.4 mm exactly) and CODATA/ISO constants otherwise. Results are shown to up to 10 significant figures.