Number base calculator

Decimal, hexadecimal, and binary

Type a whole number in any field and the other two values will follow.

Exact integer conversion

Convert a value

Prefixes like 0x and 0b are optional.

Non-negative integers

10Decimal base 10 Digits grouped with commas 16Hexadecimal base 16 Hex digits grouped in bytes 2Binary base 2 Bits grouped in nibbles

Enter a whole, non-negative number.

Hexadecimal values are shown in byte-sized groups. Binary values are shown in four-bit groups with byte-aligned padding.