How to use the Hex Calculator
The hex calculator works with hexadecimal numbers, which use 0–9 and A–F.
What you need to enter
- Hex number A
- Operation
- Hex number B
The formula
Each hex digit is four bits; each place is a power of 16.
Worked example
Using the default values in the calculator:
- Hex number A: FF
- Operation: +
- Hex number B: 1A
| Hex result | 119 |
| Decimal | 281 |
| Binary | 100011001 |
| Hexadecimal | 119 |
| Octal | 431 |
Tips for better results
- Handy for colours and memory addresses.
- Convert to binary to see bits.
Common mistakes to avoid
- Mixing letters and numbers.
- Case confusion.