Binary to Hexadecimal Converter
Type a binary number to see it in hexadecimal. Below: how the conversion works, a worked example and a conversion table.
11111111 binary = FF hexadecimal
How to convert binary to hexadecimal
Split the binary number into groups of 4 digits starting from the right, and replace each group with its hexadecimal digit. (Or: multiply each digit by 2 raised to the power of its position (counting from 0 on the right) and add the results, then divide the number by 16 again and again and write down the remainders; read in reverse order, the remainders are the hexadecimal digits.)
Example: 11111111 to hexadecimal
Because 16 = 24, every hexadecimal digit stands for exactly 4 binary digits. Split the binary number into groups of 4 from the right (adding leading zeros), then write each group as one hexadecimal digit:
| Binary group | Hexadecimal digit |
|---|---|
1111 | F (15) |
1111 | F (15) |
Result: 11111111 in binary = FF in hexadecimal.
Binary to Hexadecimal table
Binary to other systems
Other systems to hexadecimal
Reverse conversion
Frequently asked questions
How do you convert binary to hexadecimal?
Split the binary number into groups of 4 digits starting from the right, and replace each group with its hexadecimal digit. (Or: multiply each digit by 2 raised to the power of its position (counting from 0 on the right) and add the results, then divide the number by 16 again and again and write down the remainders; read in reverse order, the remainders are the hexadecimal digits.)
What is 11111111 in hexadecimal?
11111111 in binary is FF in hexadecimal.