A Hexadecimal to Binary

A hexadecimal = 1010 binary

A written in binary is 1010, the number 10 in everyday decimal.

A hexadecimal = 1010 binary

How to convert A to binary

Because 16 = 24, every hexadecimal digit stands for exactly 4 binary digits. Write each hexadecimal digit as 4 binary digits:

Binary groupHexadecimal digit
1010A (10)

Result: A in hexadecimal = 1010 in binary (leading zeros dropped).

About the number 10

  • 10 is an even number.
  • 10 is not a prime number.
  • Written in binary it needs 4 bits, so it fits in one byte.

Reverse conversion

Frequently asked questions

What is A in binary?

A in hexadecimal is 1010 in binary (the number 10 in decimal).