Number Converter Calculator

Number Converter - Solve mathematical problems with step-by-step solutions.

Number Converter Calculator

Number Converter

Translate between Binary, Octal, Decimal, and Hexadecimal.

Result

0
Binary (Base 2)
Prefix hint: Hex (0x), Binary (0b), Octal (0o)

Byte Reference

Decimal
Hex
Binary
0
00
0000 0000
127
7F
0111 1111
255
FF
1111 1111
10
0A
0000 1010
16
10
0001 0000

Number Converter Calculator Guide

What is Number Base Conversion?

Converts numbers between bases such as binary (base 2), octal (base 8), decimal (base 10), and hexadecimal (base 16). Essential in computer science, embedded systems, and debugging.

Basics

  • Binary digits: 0–1
  • Hex digits: 0–9 and A–F
  • Conversion uses positional value: digit × base^position

Example

Convert 1011₂ to decimal: 1×2³ + 0×2² + 1×2¹ + 1×2⁰ = 11₁₀.

FAQs

Why hex?
Hex compactly represents binary; each hex digit maps to four bits.

Signed numbers?
Two’s complement represents negative integers in binary.

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