Welcome to our Base 20 to Base 18 Calculator, where you can calculate and convert the numeral system with a base 20 to the numeral system with a base 18.

Base 20 numbers are also known as Vigesimal numbers, and have twenty different numbers and letters. The Base 20 numbers and letters are 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E, F, G, H, I, and J.

Base G numbers are also known as Octodecimal numbers, and have eighteen different numbers and letters. The Base 18 numbers and letters are 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E, F, G, and H.

Since Base 20 is Vigesimal numbers, and Base 18 is Octodecimal numbers, we can also call our Base 20 to Base 18 Calculator the Vigesimal to Octodecimal Calculator.

Without further ado, please enter your Base 20 number below to have it converted to Base 18. (Remember, when entering your Base 20 number, you can only use the Base 20 numbers and letters outlined above.)

Below is a list of the first one hundred Base 20 numbers that we have converted to Base 18 for you, so you can see the pattern.

1 Base 20 to Base 18 = 1

2 Base 20 to Base 18 = 2

3 Base 20 to Base 18 = 3

4 Base 20 to Base 18 = 4

5 Base 20 to Base 18 = 5

6 Base 20 to Base 18 = 6

7 Base 20 to Base 18 = 7

8 Base 20 to Base 18 = 8

9 Base 20 to Base 18 = 9

A Base 20 to Base 18 = A

B Base 20 to Base 18 = B

C Base 20 to Base 18 = C

D Base 20 to Base 18 = D

E Base 20 to Base 18 = E

F Base 20 to Base 18 = F

G Base 20 to Base 18 = G

H Base 20 to Base 18 = H

I Base 20 to Base 18 = 10

J Base 20 to Base 18 = 11

10 Base 20 to Base 18 = 12

11 Base 20 to Base 18 = 13

12 Base 20 to Base 18 = 14

13 Base 20 to Base 18 = 15

14 Base 20 to Base 18 = 16

15 Base 20 to Base 18 = 17

16 Base 20 to Base 18 = 18

17 Base 20 to Base 18 = 19

18 Base 20 to Base 18 = 1A

19 Base 20 to Base 18 = 1B

1A Base 20 to Base 18 = 1C

1B Base 20 to Base 18 = 1D

1C Base 20 to Base 18 = 1E

1D Base 20 to Base 18 = 1F

1E Base 20 to Base 18 = 1G

1F Base 20 to Base 18 = 1H

1G Base 20 to Base 18 = 20

1H Base 20 to Base 18 = 21

1I Base 20 to Base 18 = 22

1J Base 20 to Base 18 = 23

20 Base 20 to Base 18 = 24

21 Base 20 to Base 18 = 25

22 Base 20 to Base 18 = 26

23 Base 20 to Base 18 = 27

24 Base 20 to Base 18 = 28

25 Base 20 to Base 18 = 29

26 Base 20 to Base 18 = 2A

27 Base 20 to Base 18 = 2B

28 Base 20 to Base 18 = 2C

29 Base 20 to Base 18 = 2D

2A Base 20 to Base 18 = 2E

2B Base 20 to Base 18 = 2F

2C Base 20 to Base 18 = 2G

2D Base 20 to Base 18 = 2H

2E Base 20 to Base 18 = 30

2F Base 20 to Base 18 = 31

2G Base 20 to Base 18 = 32

2H Base 20 to Base 18 = 33

2I Base 20 to Base 18 = 34

2J Base 20 to Base 18 = 35

30 Base 20 to Base 18 = 36

31 Base 20 to Base 18 = 37

32 Base 20 to Base 18 = 38

33 Base 20 to Base 18 = 39

34 Base 20 to Base 18 = 3A

35 Base 20 to Base 18 = 3B

36 Base 20 to Base 18 = 3C

37 Base 20 to Base 18 = 3D

38 Base 20 to Base 18 = 3E

39 Base 20 to Base 18 = 3F

3A Base 20 to Base 18 = 3G

3B Base 20 to Base 18 = 3H

3C Base 20 to Base 18 = 40

3D Base 20 to Base 18 = 41

3E Base 20 to Base 18 = 42

3F Base 20 to Base 18 = 43

3G Base 20 to Base 18 = 44

3H Base 20 to Base 18 = 45

3I Base 20 to Base 18 = 46

3J Base 20 to Base 18 = 47

40 Base 20 to Base 18 = 48

41 Base 20 to Base 18 = 49

42 Base 20 to Base 18 = 4A

43 Base 20 to Base 18 = 4B

44 Base 20 to Base 18 = 4C

45 Base 20 to Base 18 = 4D

46 Base 20 to Base 18 = 4E

47 Base 20 to Base 18 = 4F

48 Base 20 to Base 18 = 4G

49 Base 20 to Base 18 = 4H

4A Base 20 to Base 18 = 50

4B Base 20 to Base 18 = 51

4C Base 20 to Base 18 = 52

4D Base 20 to Base 18 = 53

4E Base 20 to Base 18 = 54

4F Base 20 to Base 18 = 55

4G Base 20 to Base 18 = 56

4H Base 20 to Base 18 = 57

4I Base 20 to Base 18 = 58

4J Base 20 to Base 18 = 59

50 Base 20 to Base 18 = 5A

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