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Base 7 to Base 38

Base 7 to Base 38 Converter

Enter a number in base 7 below to convert it to base 38 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 38

Base 38 works the same way: the rightmost digit counts ones, the next counts groups of 38, the next counts groups of 38×38, and so on, using 38 distinct digits.

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Quick Reference Table
Base 10 Base 7 Base 38
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 C
13 16 D
14 20 E
15 21 F
16 22 G
17 23 H
18 24 I
19 25 J
20 26 K
21 30 L
22 31 M
23 32 N
24 33 O
25 34 P
26 35 Q
27 36 R
28 40 S
29 41 T
30 42 U
31 43 V
32 44 W
33 45 X
34 46 Y
35 50 Z
36 51 a
37 52 b
38 53 10
39 54 11
40 55 12
41 56 13
42 60 14
43 61 15
44 62 16
45 63 17
46 64 18
47 65 19
48 66 1A
49 100 1B
50 101 1C
51 102 1D
52 103 1E
53 104 1F
54 105 1G
55 106 1H
56 110 1I
57 111 1J
58 112 1K
59 113 1L
60 114 1M
61 115 1N
62 116 1O
63 120 1P
64 121 1Q
70 130 1W
80 143 24
90 156 2E
100 202 2O
200 404 5A
300 606 7Y
400 1111 AK
500 1313 D6
600 1515 FU
700 2020 IG
800 2222 L2
900 2424 NQ
1000 2626 QC

View this as a standalone, printable table

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