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Number bases

Hex to binary converter

Paste a hex number to see it in binary and every other base.

A5 in hex = 10100101 in binary.

Hex to binary table

Hex to binary
HexBinary
00
11
210
311
4100
5101
6110
7111
81000
91001
A1010
B1011
C1100
D1101
E1110
F1111
1010000
20100000
401000000
641100100
8010000000
FF11111111
100100000000
3E81111101000
40010000000000

Questions and answers

How do I convert hex to binary?

Go through decimal, or group digits: each hex digit is exactly four binary digits. A5 → 10100101.

How big a number can I convert?

Any size. ConvertEasy uses arbitrary-precision integers (BigInt), so 256-bit hashes and addresses convert exactly.