Hexadecimal addition can be easy to master and super useful when working on computer systems. It is important knowledge to have if you are looking to understand computer systems and how they work. Adding hex numbers might be useful to you if you are working with any of the following fields:
Hexadecimal numbers are often used in cryptographical systems such as hashing functions and cryptographic keys, checksums, and signatures.
You might be required to add hexadecimal numbers if you are working in file systems or in networking configuration. In certain file systems, hexadecimal numbers may be used to represent file sizes and offsets. You might need to add these to find file pointers or parts of the data. In networking hexadecimal is used in IP addresses and subnet masks, adding these numbers can help you to calculate certain network parameters.
One of the more niche uses of hexadecimal addition is blending colors when programming graphics (such as in CSS). You might want to add colors together to help you create seamless gradients.
Using our free hexadecimal addition calculator is very simple. Follow the steps below to get started:
Use the basic hexadecimal addition table to learn how to add basic hex numbers.
| + | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | A | B | C | D | E | F |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | A | B | C | D | E | F |
| 1 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | A | B | C | D | E | F | 10 |
| 2 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | A | B | C | D | E | F | 10 | 11 |
| 3 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | A | B | C | D | E | F | 10 | 11 | 12 |
| 4 | 4 | 5 | 6 | 7 | 8 | 9 | A | B | C | D | E | F | 10 | 11 | 12 | 13 |
| 5 | 5 | 6 | 7 | 8 | 9 | A | B | C | D | E | F | 10 | 11 | 12 | 13 | 14 |
| 6 | 6 | 7 | 8 | 9 | A | B | C | D | E | F | 10 | 11 | 12 | 13 | 14 | 15 |
| 7 | 7 | 8 | 9 | A | B | C | D | E | F | 10 | 11 | 12 | 13 | 14 | 15 | 16 |
| 8 | 8 | 9 | A | B | C | D | E | F | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 |
| 9 | 9 | A | B | C | D | E | F | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 |
| A | A | B | C | D | E | F | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 |
| B | B | C | D | E | F | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 1A |
| C | C | D | E | F | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 1A | 1B |
| D | D | E | F | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 1A | 1B | 1C |
| E | E | F | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 1A | 1B | 1C | 1D |
| F | F | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 1A | 1B | 1C | 1D | 1E |
| Decimal Addition | Decimal Result | Hexadecimal Addition | Hexadecimal Result |
|---|---|---|---|
| 1 + 1 | 2 | 1 + 1 | 2 |
| 2 + 4 | 6 | 2 + 4 | 6 |
| 14 + 2 | 16 | E + 2 | 10 |
| 15 + 1 | 16 | F + 1 | 10 |
| 15 + 15 | 30 | F + F | 1E |
| 9 + 8 | 17 | 9 + 8 | 11 |
| 7 + 8 | 15 | 7 + 8 | F |
| 1 + 10 | 11 | 1 + A | B |