Hex to Decimal Converter
Converts hexadecimal to decimal.
Result
- Decimal
- 255
How to use the hex to decimal converter
- Enter the hexadecimal number.
- The results update as you type, or press Calculate.
- Read the decimal first, then the supporting figures below it.
Formula
Sum each digit × 16^position.
Worked example
For example, with these inputs:
- Hexadecimal number: FF
the calculator returns:
- Decimal: 255
Background
In everyday life the same maths shows up in discounts, recipe scaling, renovation measurements and comparing prices per unit. Being comfortable with it saves money and avoids costly measuring mistakes.
Each formula has assumptions built in. Area formulas assume flat shapes, volume formulas assume regular solids and statistical measures assume the data you enter is the data you want to describe. Knowing the assumptions helps you pick the right tool.
Frequently asked questions
How does the hex to decimal converter work?
It applies this formula: Sum each digit × 16^position.
Can I use any units?
Yes, as long as every input uses the same unit. The answer will be in that unit (squared for areas, cubed for volumes).