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Base 7 to Base 12

Base 7 to Base 12 Converter

Enter a number in base 7 below to convert it to base 12 instantly.

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About These Bases

Base 7

In base 7, each digit position represents a power of 7: the rightmost digit counts individual ones, the next counts groups of 7, the next counts groups of 7×7, and so on — the same place-value idea as base 10, just with 7 distinct digits instead of ten.

Base 12

Base 12 works the same way: the rightmost digit counts ones, the next counts groups of 12, the next counts groups of 12×12, and so on, using 12 distinct digits.

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Quick Reference Table
Base 10 Base 7 Base 12
1 1 1
2 2 2
3 3 3
4 4 4
5 5 5
6 6 6
7 10 7
8 11 8
9 12 9
10 13 A
11 14 B
12 15 10
13 16 11
14 20 12
15 21 13
16 22 14
17 23 15
18 24 16
19 25 17
20 26 18
21 30 19
22 31 1A
23 32 1B
24 33 20
25 34 21
26 35 22
27 36 23
28 40 24
29 41 25
30 42 26
31 43 27
32 44 28
33 45 29
34 46 2A
35 50 2B
36 51 30
37 52 31
38 53 32
39 54 33
40 55 34
41 56 35
42 60 36
43 61 37
44 62 38
45 63 39
46 64 3A
47 65 3B
48 66 40
49 100 41
50 101 42
51 102 43
52 103 44
53 104 45
54 105 46
55 106 47
56 110 48
57 111 49
58 112 4A
59 113 4B
60 114 50
61 115 51
62 116 52
63 120 53
64 121 54
70 130 5A
80 143 68
90 156 76
100 202 84
200 404 148
300 606 210
400 1111 294
500 1313 358
600 1515 420
700 2020 4A4
800 2222 568
900 2424 630
1000 2626 6B4

View this as a standalone, printable table

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