* You can enter decimals with e notation. e.g: 572 = 5.72e2.
Binary to Decimal conversion ►
Decimal number is a number expressed in the base 10 numeral system. Decimal number's digits have 10 symbols: 0,1,2,3,4,5,6,7,8,9. Each digit of a decimal number counts a power of 10.
Decimal number example:
65310 = 6×102+5×101+3×100
Binary number is a number expressed in the base 2 numeral system. Binary number's digits have 2 symbols: zero (0) and one (1). Each digit of a binary number counts a power of 2.
Binary number example:
11012 = 1×23+1×22+0×21+1×20 = 1310
Convert 1310 to binary:
Division by 2 |
Quotient | Remainder | Bit # |
---|---|---|---|
13/2 | 6 | 1 | 0 |
6/2 | 3 | 0 | 1 |
3/2 | 1 | 1 | 2 |
1/2 | 0 | 1 | 3 |
So 1310 = 11012
Convert 17410 to binary:
Division by 2 |
Quotient | Remainder | Bit # |
---|---|---|---|
174/2 | 87 | 0 | 0 |
87/2 | 43 | 1 | 1 |
43/2 | 21 | 1 | 2 |
21/2 | 10 | 1 | 3 |
10/2 | 5 | 0 | 4 |
5/2 | 2 | 1 | 5 |
2/2 | 1 | 0 | 6 |
1/2 | 0 | 1 | 7 |
So 17410 = 101011102
Decimal Number |
Binary Number |
Hex Number |
---|---|---|
0 | 0 | 0 |
1 | 1 | 1 |
2 | 10 | 2 |
3 | 11 | 3 |
4 | 100 | 4 |
5 | 101 | 5 |
6 | 110 | 6 |
7 | 111 | 7 |
8 | 1000 | 8 |
9 | 1001 | 9 |
10 | 1010 | A |
11 | 1011 | B |
12 | 1100 | C |
13 | 1101 | D |
14 | 1110 | E |
15 | 1111 | F |
16 | 10000 | 10 |
17 | 10001 | 11 |
18 | 10010 | 12 |
19 | 10011 | 13 |
20 | 10100 | 14 |
21 | 10101 | 15 |
22 | 10110 | 16 |
23 | 10111 | 17 |
24 | 11000 | 18 |
25 | 11001 | 19 |
26 | 11010 | 1A |
27 | 11011 | 1B |
28 | 11100 | 1C |
29 | 11101 | 1D |
30 | 11110 | 1E |
31 | 11111 | 1F |
32 | 100000 | 20 |
64 | 1000000 | 40 |
128 | 10000000 | 80 |
256 | 100000000 | 100 |