Hex/Decimal/Binary/Octal Conversions

Hex to Decimal

Hex or hexadecimal is base 16.

Valid hex characters are 0 1 2 3 4 5 6 7 8 9 A B C D E F

A=10(Decimal), B=11, C=12, D=13, E=14, F=15, 10=16

The maximum value you can store in one byte is FF (255 decimal).

Decimal to Hex

Here is a Decimal to Hex chart.

Decimal to Binary

Binary is base 2.

Valid binary characters are 0 and 1.

Counting in binary looks like this:

0 = 0(decimal), 1 = 1, 10 = 2, 11 = 3, 100 = 4, 101 = 5, 110 = 6, 111 = 7.

The value of each position for the first byte is: 128 64 32 16 8 4 2 1

The maximum value you can store in one byte is 11111111 (255 decimal).

Binary Help

Here is a Decimal to Binary chart.

Try our Decimal to Binary test.

Binary to Decimal

Binary to Hex

Here is a Binary to Hex chart.

Hex to Binary

Hex to Binary help

Decimal to Octal

Here is a Decimal to Octal chart.

Octal to Decimal

Decimal to BCD

Decimal to Binary to Hex to Octal Chart