Binary, Decimal & Hex Converter – Number Base Calculator

ToolsFaction Online Tool

Binary, Decimal & Hex Converter

Convert integers between common programming number systems.

Convert integers between binary, octal, decimal and hexadecimal number systems online.

About This Tool

ToolsFaction Number Base Converter converts integers between bases 2, 8, 10 and 16. It is useful for programming, digital logic, networking and computer science exercises.

How to Use

  1. Enter an integer.
  2. Choose its current number base.
  3. Choose the target base.
  4. Convert and review the result.

Example

Convert decimal 255 to hexadecimal FF or binary 11111111.

Frequently Asked Questions

Which number bases are supported?

Binary, octal, decimal and hexadecimal.

Can I convert hexadecimal to binary?

Yes.

Does it support fractional numbers?

This version is designed for integers.

Are hexadecimal letters case-sensitive?

Input parsing accepts standard hexadecimal digits; output uses uppercase letters.

Free to UseNo hidden fees
No Sign-UpStart instantly
Browser-BasedNothing to install
Privacy FriendlyBuilt for simple use
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