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Base 40 to Base 8

Base 40 to Base 8 Converter

Enter a number in base 40 below to convert it to base 8 instantly.

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About These Bases

Base 40

In base 40, each digit position represents a power of 40: the rightmost digit counts individual ones, the next counts groups of 40, the next counts groups of 40×40, and so on — the same place-value idea as base 10, just with 40 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 40 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 9 11
10 A 12
11 B 13
12 C 14
13 D 15
14 E 16
15 F 17
16 G 20
17 H 21
18 I 22
19 J 23
20 K 24
21 L 25
22 M 26
23 N 27
24 O 30
25 P 31
26 Q 32
27 R 33
28 S 34
29 T 35
30 U 36
31 V 37
32 W 40
33 X 41
34 Y 42
35 Z 43
36 a 44
37 b 45
38 c 46
39 d 47
40 10 50
41 11 51
42 12 52
43 13 53
44 14 54
45 15 55
46 16 56
47 17 57
48 18 60
49 19 61
50 1A 62
51 1B 63
52 1C 64
53 1D 65
54 1E 66
55 1F 67
56 1G 70
57 1H 71
58 1I 72
59 1J 73
60 1K 74
61 1L 75
62 1M 76
63 1N 77
64 1O 100
70 1U 106
80 20 120
90 2A 132
100 2K 144
200 50 310
300 7K 454
400 A0 620
500 CK 764
600 F0 1130
700 HK 1274
800 K0 1440
900 MK 1604
1000 P0 1750

View this as a standalone, printable table

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