Recommended Bubble Sizes and Graduations for Different Length Vials | |||
Vial Length Inches
|
Bubble Size
|
Graduation Style
|
|
Millimeter
|
Inches
|
||
7/8
|
8
|
3/10
|
1-2-3
|
1-1/8
|
10
|
4/10
|
1-2-3
|
1-1/4
|
10
|
4/10
|
1-2-3
|
1-3/8
|
14
|
5/10
|
1-2-3
|
1-1/2
|
14
|
5/10
|
2-3
|
1-5/8
|
14
|
5/10
|
2-3
|
1-3/4
|
16
|
6/10
|
2-3-4-5
|
1-7/8
|
16
|
6/10
|
2-3-4-5
|
2
|
20
|
7/10
|
2-3-4-5
|
2-1/8
|
20
|
7/10
|
2-3-4-5-6-7-8-9
|
2-1/4
|
20
|
7/10
|
3-4-5-6-7-8-9
|
2-3/8
|
20
|
7/10
|
6-7-8-9
|
2-1/2
|
24
|
8/10
|
6-7-8-9
|
2-5/8
|
26
|
8/10
|
6-7-8-9
|
2-3/4
|
28
|
1-1/10
|
6-7-8-9-10
|
2-7/8
|
28
|
1-1/10
|
6-7-8-9-10
|
3
|
30
|
1-2/10
|
10-11
|
3-1/8
|
32
|
1-2/10
|
10-11
|
3-1/4
|
32
|
1-2/10
|
10-11
|
3-3/8
|
34
|
1-3/10
|
10-11-12
|
3-1/2
|
36
|
1-4/10
|
12-13
|
3-5/8
|
36
|
1-4/10
|
12-13
|
3-3/4
|
40
|
1-5/10
|
12-13
|
3-7/8
|
40
|
1-5/10
|
12-13
|
4
|
40
|
1-5/10
|
12-13-14
|
4-1/8
|
40
|
1-5/10
|
12-13-14
|
4-1/4
|
44
|
1-8/10
|
13-14-15
|
4-3/8
|
44
|
1-8/10
|
13-14-15
|
4-1/2
|
44
|
1-8/10
|
13-14-15
|
4-5/8
|
44
|
1-8/10
|
13-14-15
|
4-3/4
|
50
|
2
|
13-14-15
|
4-7/8
|
50
|
2
|
13-14-15
|
5
|
54
|
2-2/10
|
14-15-16
|
5-1/8
|
54
|
2-2/10
|
14-15-16
|
5-1/4
|
56
|
2-2/10
|
14-15-16
|
5-3/8
|
56
|
2-2/10
|
14-15-16
|
5-1/2
|
56
|
2-2/10
|
14-15-16-17
|
5-5/8
|
56
|
2-2/10
|
14-15-16-17
|
5-3/4
|
58
|
2-3/10
|
16-17
|
6
|
64
|
2-5/10
|
16-17-18
|
6-1/4
|
66
|
2-5/10
|
17-18-19-20
|
6-1/2
|
68
|
2-6/10
|
17-18-19-20
|
6-3/4
|
70
|
2-6/10
|
17-18-19-20
|
7-8-9-10
|
70
|
2-7/10
|
17-18-19-20
|