What is Decimal?
Decimal is our everyday number system. It uses ten digits 0 to 9.
What is Hexadecimal?
Hexadecimal (hex) is a base-16 number system. It uses 16 symbols 0-9 and A-F (A=10, B=11, C=12, D=13, E=14, F=15).
How to Convert Decimal to Hexadecimal
- Divide the decimal number by 16
 - Note the remainder (0-15)
 - Divide the result by 16 again
 - Repeat until the result is 0
 - Read the remainders from bottom to top, using A-F for 10-15
 
This Is How To Convert 2748 to Hex
| Division | Result | Remainder | Hex Digit | 
|---|---|---|---|
| 2748 ÷ 16 = 171 | 171 | 12 | C | 
| 171 ÷ 16 = 10 | 10 | 11 | B | 
| 10 ÷ 16 = 0 | 0 | 10 | A | 
Reading from bottom to top 2748 in decimal = ABC in hexadecimal
Another Example: 3855 to Hex
3855 ÷ 16 = 240 remainder 15 (F)
       240 ÷ 16 = 15 remainder 0
       15 ÷ 16 = 0 remainder 15 (F)
Reading from bottom to top: 3855 in decimal = F0F in hexadecimal
Conversion Table
| Decimal | Hexadecimal | Binary | 
|---|---|---|
| 0 | 0 | 0000 | 
| 1 | 1 | 0001 | 
| 2 | 2 | 0010 | 
| 3 | 3 | 0011 | 
| 4 | 4 | 0100 | 
| 5 | 5 | 0101 | 
| 6 | 6 | 0110 | 
| 7 | 7 | 0111 | 
| 8 | 8 | 1000 | 
| 9 | 9 | 1001 | 
| 10 | A | 1010 | 
| 11 | B | 1011 | 
| 12 | C | 1100 | 
| 13 | D | 1101 | 
| 14 | E | 1110 | 
| 15 | F | 1111 |