BaseShift

Number Base Converter

Edit any field — the other three update live. Great for programmers, students, and anyone debugging bitwise math.

Why hex is everywhere in code

Each hex digit (0–F) represents exactly 4 bits, so 1 byte fits in 2 hex digits and a 32-bit word in 8. That makes binary memory and colour values readable at a glance.

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BaseShift

Number Base Converter

Edit any field — the other three update live. Great for programmers, students, and anyone debugging bitwise math.

Binarybase 2Octalbase 8Decimalbase 10Hexadecimalbase 16

Supports unsigned non-negative integers. Decimal value: 255.

What you entered

Decimal: 255

1
Decimal value
n = 255= 255
2
Convert to binary (base 2)
repeated division by 2, read remainders bottom-up= 11111111
3
Convert to octal (base 8)
repeated division by 8= 377
4
Convert to hexadecimal (base 16)
repeated division by 16= FF

Result

Binary: 11111111

255 in decimal is 11111111 in binary, 377 in octal, and FF in hexadecimal.

Why hex is everywhere in code

Each hex digit (0–F) represents exactly 4 bits, so 1 byte fits in 2 hex digits and a 32-bit word in 8. That makes binary memory and colour values readable at a glance.