What is 100 in binary?

100 in decimal equals 1100100 in binary.

Step-by-step working

DivisionQuotientRemainder
100 ÷ 2500
50 ÷ 2250
25 ÷ 2121
12 ÷ 260
6 ÷ 230
3 ÷ 211
1 ÷ 201

How it works

Divide 100 by 2 repeatedly, writing down each remainder, then read the remainders from bottom to top.

Convert any value with our free decimal to binary converter — no sign-up needed.

Related conversions