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Base 3 to Base 20

Base 3 to Base 20 Converter

Enter a number in base 3 below to convert it to base 20 instantly.

About These Bases

Base 3

In base 3, each digit position represents a power of 3: the rightmost digit counts individual ones, the next counts groups of 3, the next counts groups of 3×3, and so on — the same place-value idea as base 10, just with 3 distinct digits instead of ten.

Base 20

Base 20 works the same way: the rightmost digit counts ones, the next counts groups of 20, the next counts groups of 20×20, and so on, using 20 distinct digits.

Quick Reference Table

Base 10	Base 3	Base 20
1	1	1
2	2	2
3	10	3
4	11	4
5	12	5
6	20	6
7	21	7
8	22	8
9	100	9
10	101	A
11	102	B
12	110	C
13	111	D
14	112	E
15	120	F
16	121	G
17	122	H
18	200	I
19	201	J
20	202	10
21	210	11
22	211	12
23	212	13
24	220	14
25	221	15
26	222	16
27	1000	17
28	1001	18
29	1002	19
30	1010	1A
31	1011	1B
32	1012	1C
33	1020	1D
34	1021	1E
35	1022	1F
36	1100	1G
37	1101	1H
38	1102	1I
39	1110	1J
40	1111	20
41	1112	21
42	1120	22
43	1121	23
44	1122	24
45	1200	25
46	1201	26
47	1202	27
48	1210	28
49	1211	29
50	1212	2A
51	1220	2B
52	1221	2C
53	1222	2D
54	2000	2E
55	2001	2F
56	2002	2G
57	2010	2H
58	2011	2I
59	2012	2J
60	2020	30
61	2021	31
62	2022	32
63	2100	33
64	2101	34
70	2121	3A
80	2222	40
90	10100	4A
100	10201	50
200	21102	A0
300	102010	F0
400	112211	100
500	200112	150
600	211020	1A0
700	221221	1F0
800	1002122	200
900	1020100	250
1000	1101001	2A0

View this as a standalone, printable table

Related Base Conversion Calculators

From Base 3

to Base 2
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 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 20

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 18
to Base 19
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 3 to Base 20