Number Base Converter

Convert numbers between any bases (2-36). Universal base conversion calculator.

🔄 Number Base Converter

Invalid input

Converted Result

⚙️ Step-by-Step Breakdown

Enter a value to see the conversion steps

🕑 Recent Conversions

Your conversions will appear here

What Is Number Base Converter

A number base converter translates numbers between different numeral systems. Any base from 2 (binary) to 36 (using 0-9 and A-Z) is supported.

Understanding number bases is crucial in computer science, mathematics, and engineering. Different bases serve different purposes in computing and data representation.

🔄 Interactive Converter Explorer

How to Convert Number Base Converter

To convert between bases: first convert the source number to decimal (base 10) using positional notation, then convert from decimal to the target base using repeated division.

For example, binary 1111 (base 2) → decimal 15 → hexadecimal F (base 16).

⚡ Try It — Step-by-Step Demo

Frequently Asked Questions

Binary (2), octal (8), decimal (10), and hexadecimal (16) are the most common in computing.
Base 36 uses digits 0-9 and letters A-Z, giving 36 unique symbols. It is the highest base using standard alphanumeric characters.
Each digit is multiplied by the base raised to the power of its position (counting from 0 on the right).
This converter handles integers. Fractional base conversion requires separate algorithms.
Binary for hardware, octal for legacy Unix, decimal for humans, hex for compact binary representation.

All Conversion Tools

Dec → Hex

Decimal to Hexadecimal

Base 10 → Base 16

Try Now →
Hex → Dec

Hexadecimal to Decimal

Base 16 → Base 10

Try Now →
Dec → Bin

Decimal to Binary

Base 10 → Base 2

Try Now →
Bin → Dec

Binary to Decimal

Base 2 → Base 10

Try Now →
Dec → Oct

Decimal to Octal

Base 10 → Base 8

Try Now →
Oct → Dec

Octal to Decimal

Base 8 → Base 10

Try Now →
Oct → Hex

Octal to Hexadecimal

Base 8 → Base 16

Try Now →
Hex → Oct

Hexadecimal to Octal

Base 16 → Base 8

Try Now →
Oct → Bin

Octal to Binary

Base 8 → Base 2

Try Now →
Bin → Oct

Binary to Octal

Base 2 → Base 8

Try Now →
Hex → Bin

Hexadecimal to Binary

Base 16 → Base 2

Try Now →
Bin → Hex

Binary to Hexadecimal

Base 2 → Base 16

Try Now →
Dec → BCD

Decimal to BCD

Convert decimal numbers to Binary Coded Decimal (B...

Try Now →
Dec → 2's

Decimal to 2's Complement

Convert decimal integers (including negatives) to ...

Try Now →
Bin → ASCII

Binary to ASCII

Convert binary numbers to ASCII text characters. D...

Try Now →
Bin → Gray

Binary to Gray Code

Convert standard binary to Gray code (reflected bi...

Try Now →
Hex → ASCII

Hex to ASCII

Convert hexadecimal values to ASCII text. Decode h...

Try Now →
Hex → RGB

Hex to RGB

Convert hex color codes to RGB values instantly. S...

Try Now →
RGB → Hex

RGB to Hex

Convert RGB color values to hexadecimal color code...

Try Now →
ASCII → Hex

ASCII to Hex

Convert ASCII text to hexadecimal representation. ...

Try Now →
Hex → Text

Hex to Text

Convert hexadecimal strings to readable text. Deco...

Try Now →
Dec → Frac

Decimal to Fraction

Convert decimal numbers to simplified fractions. S...

Try Now →
Dec → %

Decimal to Percent

Convert decimal values to percentages instantly wi...

Try Now →
Hex → Info

Hexadecimal Reference

Complete hexadecimal reference with conversion tab...

Try Now →
Hex → Unicode

Hex to Unicode

Convert hexadecimal code points to Unicode charact...

Try Now →
ASCII → Bin

ASCII to Binary

Convert ASCII text to binary representation. See e...

Try Now →