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Base 7 to Base 18

Base 7 to Base 18 Converter

Enter a number in base 7 below to convert it to base 18 instantly.

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 18

Base 18 works the same way: the rightmost digit counts ones, the next counts groups of 18, the next counts groups of 18×18, and so on, using 18 distinct digits.

Quick Reference Table

Base 10	Base 7	Base 18
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	10
19	25	11
20	26	12
21	30	13
22	31	14
23	32	15
24	33	16
25	34	17
26	35	18
27	36	19
28	40	1A
29	41	1B
30	42	1C
31	43	1D
32	44	1E
33	45	1F
34	46	1G
35	50	1H
36	51	20
37	52	21
38	53	22
39	54	23
40	55	24
41	56	25
42	60	26
43	61	27
44	62	28
45	63	29
46	64	2A
47	65	2B
48	66	2C
49	100	2D
50	101	2E
51	102	2F
52	103	2G
53	104	2H
54	105	30
55	106	31
56	110	32
57	111	33
58	112	34
59	113	35
60	114	36
61	115	37
62	116	38
63	120	39
64	121	3A
70	130	3G
80	143	48
90	156	50
100	202	5A
200	404	B2
300	606	GC
400	1111	144
500	1313	19E
600	1515	1F6
700	2020	22G
800	2222	288
900	2424	2E0
1000	2626	31A

View this as a standalone, printable table

Related Base Conversion Calculators

From Base 7

to Base 2
to Base 3
to Base 4
to Base 5
to Base 6
to Base 8
to Base 9
to Base 10
to Base 11
to Base 12
to Base 13
to Base 14
to Base 15
to Base 16
to Base 17
to Base 18
to Base 19
to Base 20
to Base 21
to Base 22
to Base 23
to Base 24
to Base 25
to Base 26
to Base 27
to Base 28
to Base 29
to Base 30
to Base 31
to Base 32
to Base 33
to Base 34
to Base 35
to Base 36
to Base 37
to Base 38
to Base 39
to Base 40
to Base 41
to Base 42
to Base 43
to Base 44
to Base 45
to Base 46
to Base 47
to Base 48
to Base 49
to Base 50
to Base 51
to Base 52
to Base 53
to Base 54
to Base 55
to Base 56
to Base 57
to Base 58
to Base 59
to Base 60
to Base 61
to Base 62
to Base 63
to Base 64

From Base 18

to Base 2
to Base 3
to Base 4
to Base 5
to Base 6
to Base 7
to Base 8
to Base 9
to Base 10
to Base 11
to Base 12
to Base 13
to Base 14
to Base 15
to Base 16
to Base 17
to Base 19
to Base 20
to Base 21
to Base 22
to Base 23
to Base 24
to Base 25
to Base 26
to Base 27
to Base 28
to Base 29
to Base 30
to Base 31
to Base 32
to Base 33
to Base 34
to Base 35
to Base 36
to Base 37
to Base 38
to Base 39
to Base 40
to Base 41
to Base 42
to Base 43
to Base 44
to Base 45
to Base 46
to Base 47
to Base 48
to Base 49
to Base 50
to Base 51
to Base 52
to Base 53
to Base 54
to Base 55
to Base 56
to Base 57
to Base 58
to Base 59
to Base 60
to Base 61
to Base 62
to Base 63
to Base 64

Base 7 to Base 18