Base Converter

What is a Number Base?

A number base (or radix) defines how many unique digits are used to represent numbers. Common bases include:

• Base 2 (Binary) — digits: 0, 1
• Base 8 (Octal) — digits: 0–7
• Base 10 (Decimal) — digits: 0–9
• Base 16 (Hexadecimal) — digits: 0–9, A–F
• Base 36 — digits: 0–9, A–Z

How to Convert Between Bases

The universal method is to convert to decimal first, then from decimal to the target base:

See Also

• Binary converter
• Decimal to hex converter
• Decimal to binary converter
• Decimal to octal converter