Number Base Converter

Convert between binary, octal, decimal, and hexadecimal

Input Base:

Conversions

Binary-
Octal-
Decimal-
Hexadecimal-

Common Values

Quick Reference

Binary (Base 2)0, 1
Octal (Base 8)0-7
Decimal (Base 10)0-9
Hex (Base 16)0-9, A-F

Hex to Decimal Table

A=10B=11C=12D=13E=14F=15

What is a Number Base Converter?

A number base converter transforms numbers between decimal (base 10), binary (base 2), octal (base 8), and hexadecimal (base 16). Essential for programming, networking, and understanding how computers store data.

Frequently Asked Questions

Which bases are supported?

Binary (2), octal (8), decimal (10), and hexadecimal (16).

Can it handle large numbers?

Yes. Uses JavaScript BigInt for numbers beyond standard integer range.

What are hex digits?

0–9 and A–F, where A=10 through F=15.