How to Convert from Decimal to Binary

We use the decimal numeral system in our daily life, which is based on 10 numbers: 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9. The binary numeral system, however, is based on 2 numbers: 0 and 1.

To convert a decimal number to binary numeral number, the common way is to keep dividing the number by 2 and write down the remainders from the bottom.

Please check here if you want to convert from a Binary number to a Decimal number.

The following is the example to convert 173 into a binary number:

Step 1: Keep diving 173 by 2, and write down the remainder for each step;

Step 2: Combine the remainders from the bottom to top. In this example, 73 will be 10101101 when converting into binary.

The following is the Decimal to Binary Conversion Table from 1 to 255