Binary to Hexadecimal Converter

Convert binary numbers to hexadecimal. Long binary strings are shortened to hexadecimal in debuggers and datasheets, because every four bits become one hex digit.

Binary to Hexadecimal converter

Result

Binary: —
Octal: —
Decimal: —
Hexadecimal: —

How to convert binary to hexadecimal

Split the binary number into groups of 4 bits, starting from the right and adding zeros on the left if needed. Replace each group with its hexadecimal digit.

Example: 10011100 (binary) to hexadecimal

Binary digits and their bits
Binary digit	1-bit group
1	1
0	0
0	0
1	1
1	1
1	1
0	0
0	0

Bits regrouped into hexadecimal digits
4-bit group	Hexadecimal digit
1001	9
1100	C

10011100 in binary = 9C in hexadecimal.

Examples

1010 (binary) = A (hexadecimal)
10011100 (binary) = 9C (hexadecimal)
11111111 (binary) = FF (hexadecimal)
1111101000 (binary) = 3E8 (hexadecimal)

Binary to Hexadecimal conversion table

Binary to Hexadecimal
Binary (base 2)	Hexadecimal (base 16)
0	0
1	1
10	2
11	3
100	4
101	5
110	6
111	7
1000	8
1001	9
1010	A
1011	B
1100	C
1101	D
1110	E
1111	F
10000	10
10100	14
100000	20
110010	32
1000000	40
1100100	64
1111111	7F
10000000	80
11111111	FF
100000000	100
1000000000	200
1111101000	3E8
10000000000	400

The table lists the same whole numbers for every pair of bases.

Frequently asked questions

What is 11111111 in hexadecimal?: 11111111 in binary is FF in hexadecimal.
How do I convert binary to hexadecimal by hand?: Split the binary number into groups of 4 bits, starting from the right and adding zeros on the left if needed. Replace each group with its hexadecimal digit.
What digits does binary use?: Binary uses the digits 0 and 1. Computers store and process everything as binary digits (bits). Eight bits make one byte.
What is hexadecimal used for?: Hexadecimal writes bytes compactly: web colors (#FF8800), memory addresses, MAC addresses and character codes all use it.