Hex Calculator

Add, subtract, multiply and divide hexadecimal numbers with decimal conversion.

Result (Hex)
29
Result (Decimal)
41
A in Decimal
26
B in Decimal
15
Share results:

What is Hex Calculator?

A hexadecimal converter translates numbers between hex, decimal, binary, and octal.

Hex is widely used in programming for memory addresses, colour codes, and machine-level data.

How does the Hex Calculator work?

Decimal = Σ digit × 16^position

Hex digits 0-9 and A-F map to values 0-15.

The converter works in all directions between the four bases.

How to use the Hex Calculator?

  1. Enter a hex value (e.g. FF) or a number in another base.
  2. The calculator shows the value in all bases.

Example

Try the calculator with your own numbers

  1. Enter your values in the input fields above.
  2. Adjust the values to match your situation.
  3. The result updates instantly as you change the inputs.
Your result appears instantly — no manual calculation needed.

Benefits of using the Hex Calculator

  • Work with colour codes and addresses.
  • Understand low-level programming.
  • Convert values instantly.

Who should use the Hex Calculator?

  • Students and professionals who need fast, accurate results.
  • Anyone who wants to verify a manual calculation.
  • People who prefer a quick answer over working it out by hand.

Tips for getting the most out of the Hex Calculator

  • Double-check the values you enter before relying on the result.
  • Use the calculator to verify manual calculations or estimates.
  • Bookmark the page if you use it regularly.

Frequently Asked Questions

What does FF mean in hex?

FF equals 255 in decimal and 11111111 in binary — the maximum value of one byte.

Why are hex codes used for colours?

Colours are stored as RGB bytes, and hex writes each byte in two digits, like #FF0000 for red.

This calculator gives you fast, reliable answers whenever you need them. Try it now and keep it handy for future calculations.

Related Calculators