How many numbers are between 18 and 100?

There are 81 numbers between 18 and 100.

What does inclusive mean?

Inclusive means both endpoints 18 and 100 are included.

What does exclusive mean?

Exclusive means neither 18 nor 100 is included in the list.

Numbers Between 18 and 100

TOTAL NUMBERS: 81

The numbers between 18 and 100, excluding both endpoints, are listed below. Useful for math problems, ranges, and number sets.

What Are the Numbers Between 18 and 100?

To find the numbers between 18 and 100 excluding the bounds, we list all whole numbers greater than 18 and less than 100. This is a common operation in mathematics, programming, and data filtering.

How to Calculate the Count of Numbers Between

The formula to calculate how many whole numbers are between two integers is:

Inclusive: abs(B - A) + 1
Exclusive: abs(B - A) - 1

So for 18 and 100 in exclusive mode, the count is: 81.

List of Numbers

#	Number
1	19
2	20
3	21
4	22
5	23
6	24
7	25
8	26
9	27
10	28
11	29
12	30
13	31
14	32
15	33
16	34
17	35
18	36
19	37
20	38
21	39
22	40
23	41
24	42
25	43
26	44
27	45
28	46
29	47
30	48
31	49
32	50
33	51
34	52
35	53
36	54
37	55
38	56
39	57
40	58
41	59
42	60
43	61
44	62
45	63
46	64
47	65
48	66
49	67
50	68
51	69
52	70
53	71
54	72
55	73
56	74
57	75
58	76
59	77
60	78
61	79
62	80
63	81
64	82
65	83
66	84
67	85
68	86
69	87
70	88
71	89
72	90
73	91
74	92
75	93
76	94
77	95
78	96
79	97
80	98
81	99

Copy Number List

Space-separated numbers:

19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99

Comma-separated numbers:

19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99

FAQ

How many numbers are between 18 and 100?

There are 81 numbers between 18 and 100 when counted exclusively.
What does inclusive mean?

Inclusive means both 18 and 100 are part of the result.
What does exclusive mean?

Exclusive means neither 18 nor 100 is included in the result list.