Convert 255 to binary with method

To convert the decimal number 255 to binary, we can repeatedly divide the number by 2 and keep track of the remainders.

255 ÷ 2 = 127 remainder 1
127 ÷ 2 = 63 remainder 1
63 ÷ 2 = 31 remainder 1
31 ÷ 2 = 15 remainder 1
15 ÷ 2 = 7 remainder 1
7 ÷ 2 = 3 remainder 1
3 ÷ 2 = 1 remainder 1
1 ÷ 2 = 0 remainder 1

Reading the remainders from bottom to top, we get the binary representation of 255 as 11111111.

Therefore, 255 in binary is 11111111.