Related Resources: instrumentation

Octal to Decimal Conversion

Applications and Design
Electronics Design and Engineering
Engineering Math

Octal to Decimal Conversion Calculator and Table

Remarks

  • Number may not contain more than 10 octal characters (30 bits).
  • The most significant bit of number is the sign bit. The remaining 29 bits are magnitude bits.
  • Negative numbers are represented using two's-complement notation.

Octal to Decimal Conversion Table

Octal Base 8

Decimal Base 10

0
0
1
1
2
2
3
3
4
4
5
5
6
6
7
7
10
8
11
9
12
10
13
11
14
12
15
13
16
14
17
15
20
16
30
24
40
32
50
40
60
48
70
56
100
64

Example conversion

37 base 8 is equal to each digit multiplied with its corresponding 8n:

378 = 3 x 81 + 7 x 80 = 24 + 7 = 31

Example conversion