Binary <=> Octal Decimal <=> Binary .
Binary <=> Decimal Decimal <=> Octal
Binary <=> Hexadecimal Decimal <=> Hexadecimal
Octal <=> Binary Hexadecimal <=> Binary
Octal <=> Decimal Hexadecimal <=> Octal
Octal <=> Hexadecimal Hexadecimal <=> Decimal
1. Use the chart
2. Add the numbers together that have a binary one in them.
| 256 | 128 | 64 | 32 | 16 | 8 | 4 | 2 | 1 |
| 0 | 0 | 1 | 0 | 1 | 0 | 1 | 1 | 0 |
0010101102 <=> Decimal
64
16
4
2
86
4328 <=> Decimal
1. Use the chart.
2. Multiply the Octal digits by those in the chart.
| 64 | 8 | 1 |
| 4 | 3 | 2 |
(64x4) + (8x3) + (1x2)
(256) + (24) + (2)
= 282 Decimal
Octal <=> Hexadecimal Base8 => (3) Bin => 4(HEX)
1. Convert to 3 digit binary groups.
2. Regroup as 4 digit binary groups.
3. These digits represent the Hexadecimal.
5438 <=> Decimal
| 5 | 4 | 3 |
| 101 | 100 | 011 |
| 1 | 0110 | 0011 |
| 1 | 6 | 3 |
25716 <=> Base 8
1. Convert Digits to Binary in groups of 4.
2. Change to groups of 3.
3. The Decimal groups represent Octal.
| 2 | 5 | 7 |
| 0010 | 0101 | 0111 |
| 001 | 001 | 010 | 111 |
| 1 | 1 | 2 | 7 |