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Number Base Converter

Convert whole numbers between binary, octal, decimal, hex and any base.

Binary (base 2)

Octal (base 8)

Decimal (base 10)

Hexadecimal (base 16)

Custom base (2–36)

Value in custom base

Notes

This converter works on non-negative whole numbers. Hexadecimal uses 0–9 and a–f; bases above 16 use further letters up to z (base 36).