1101 Binary to Decimal

1101 binary = 13 decimal

1101 written in decimal is 13.

1101 binary = 13 decimal

How to convert 1101 to decimal

Binary to decimal

Multiply each digit by 2 to the power of its position (0 on the right), then add:

DigitPlace valueDigit × place
123 = 88
122 = 44
021 = 20
120 = 11

8 + 4 + 0 + 1 = 13

About the number 13

  • 13 is an odd number.
  • 13 is a prime number.
  • Written in binary it needs 4 bits, so it fits in one byte.

Reverse conversion

Frequently asked questions

What is 1101 in decimal?

1101 in binary is 13 in decimal.