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Base 18 to Base 36

Base 18 to Base 36 Converter

Enter a number in base 18 below to convert it to base 36 instantly.

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About These Bases

Base 18

In base 18, each digit position represents a power of 18: the rightmost digit counts individual ones, the next counts groups of 18, the next counts groups of 18×18, and so on — the same place-value idea as base 10, just with 18 distinct digits instead of ten.

Base 36

Base 36 works the same way: the rightmost digit counts ones, the next counts groups of 36, the next counts groups of 36×36, and so on, using 36 distinct digits.

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Quick Reference Table
Base 10 Base 18 Base 36
1 1 1
2 2 2
3 3 3
4 4 4
5 5 5
6 6 6
7 7 7
8 8 8
9 9 9
10 A A
11 B B
12 C C
13 D D
14 E E
15 F F
16 G G
17 H H
18 10 I
19 11 J
20 12 K
21 13 L
22 14 M
23 15 N
24 16 O
25 17 P
26 18 Q
27 19 R
28 1A S
29 1B T
30 1C U
31 1D V
32 1E W
33 1F X
34 1G Y
35 1H Z
36 20 10
37 21 11
38 22 12
39 23 13
40 24 14
41 25 15
42 26 16
43 27 17
44 28 18
45 29 19
46 2A 1A
47 2B 1B
48 2C 1C
49 2D 1D
50 2E 1E
51 2F 1F
52 2G 1G
53 2H 1H
54 30 1I
55 31 1J
56 32 1K
57 33 1L
58 34 1M
59 35 1N
60 36 1O
61 37 1P
62 38 1Q
63 39 1R
64 3A 1S
70 3G 1Y
80 48 28
90 50 2I
100 5A 2S
200 B2 5K
300 GC 8C
400 144 B4
500 19E DW
600 1F6 GO
700 22G JG
800 288 M8
900 2E0 P0
1000 31A RS

View this as a standalone, printable table

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