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Base 9 to Base 8

Base 9 to Base 8 Converter

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

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About These Bases

Base 9

In base 9, each digit position represents a power of 9: the rightmost digit counts individual ones, the next counts groups of 9, the next counts groups of 9×9, and so on — the same place-value idea as base 10, just with 9 distinct digits instead of ten.

Base 8

Base 8 works the same way: the rightmost digit counts ones, the next counts groups of 8, the next counts groups of 8×8, and so on, using 8 distinct digits.

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

View this as a standalone, printable table

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