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Free Hex Calculator - Convert & Calculate

Convert between hexadecimal, decimal, and binary. Perform hex arithmetic.

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Quick Answer

Hexadecimal is base-16 using 0-9 and A-F. Hex FF = decimal 255. Used in programming and web colors (#FFFFFF).

Key Facts about Hex Calculator:

  • Base-16 system
  • Uses 0-9 and A-F
  • One hex digit = 4 bits
  • FF hex = 255 decimal
  • #FFFFFF = white color

Why Use Our Hex Calculator?

Hex tools:

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Conversions

Hex, decimal, binary.

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Color Codes

Web color hex.

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Programming

Developer tool.

Hex Math

Arithmetic operations.

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How to Hex Calculator in 3 Easy Steps

Use hex:

1

Enter Number

Hex or decimal.

2

Convert

See all formats.

3

Calculate

Hex arithmetic.

Why Use Our Calculator?

Multiple formats

Color support

Hex arithmetic

Developer friendly

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Hex
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Common Use Cases for Hex Calculator

Perfect for:

Programming

Hex conversions.

Convert

Web Colors

Color codes.

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Computer Science

Number systems.

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Frequently Asked Questions

Everything you need to know about our hex calculator

What is hexadecimal?

Base-16 using 0-9 and A-F.

Base-16 number system using 0-9 and A-F. Common in programming and web colors.

Still have questions? Try the tool yourself!

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