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Base 8 to Base 9

Base 8 to Base 9 Converter

Enter a number in base 8 below to convert it to base 9 instantly.

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About These Bases

Base 8

In base 8, each digit position represents a power of 8: the rightmost digit counts individual ones, the next counts groups of 8, the next counts groups of 8×8, and so on — the same place-value idea as base 10, just with 8 distinct digits instead of ten.

Base 9

Base 9 works the same way: the rightmost digit counts ones, the next counts groups of 9, the next counts groups of 9×9, and so on, using 9 distinct digits.

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Quick Reference Table
Base 10 Base 8 Base 9
1 1 1
2 2 2
3 3 3
4 4 4
5 5 5
6 6 6
7 7 7
8 10 8
9 11 10
10 12 11
11 13 12
12 14 13
13 15 14
14 16 15
15 17 16
16 20 17
17 21 18
18 22 20
19 23 21
20 24 22
21 25 23
22 26 24
23 27 25
24 30 26
25 31 27
26 32 28
27 33 30
28 34 31
29 35 32
30 36 33
31 37 34
32 40 35
33 41 36
34 42 37
35 43 38
36 44 40
37 45 41
38 46 42
39 47 43
40 50 44
41 51 45
42 52 46
43 53 47
44 54 48
45 55 50
46 56 51
47 57 52
48 60 53
49 61 54
50 62 55
51 63 56
52 64 57
53 65 58
54 66 60
55 67 61
56 70 62
57 71 63
58 72 64
59 73 65
60 74 66
61 75 67
62 76 68
63 77 70
64 100 71
70 106 77
80 120 88
90 132 110
100 144 121
200 310 242
300 454 363
400 620 484
500 764 615
600 1130 736
700 1274 857
800 1440 1078
900 1604 1210
1000 1750 1331

View this as a standalone, printable table

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