Fractional Size	Decimal Equiv.	Overall Length	Flute Length
1/8"	.1250	3"	1-1/2"
9/64"	.1406	3-1/4"	1-5/8"
5/32"	.1562	3-1/4"	1-5/8"
11/64"	.1719	3-1/2"	1-3/4"
3/16"	.1875	3-1/2"	1-3/4"
13/64"	.2031	3-3/4"	1-7/8"
7/32"	.2188	3-3/4"	1-7/8"
15/64"	.2344	4"	2"
1/4"	.2500	4"	2"
17/64"	.2656	4-1/4"	2-1/8"
9/32"	.2812	4-1/4"	2-1/8"
19/64"	.2969	4-1/2"	2-1/4"
5/16"	.3125	4-1/2"	2-1/4"
21/64"	.3281	4-3/4"	2-3/8"
11/32"	.3438	4-3/4"	2-3/8"
23/64"	.3594	5"	2-1/2"
3/8"	.3750	5"	2-1/2"
25/64"	.3906	5-1/4"	2-5/8"
13/32"	.4062	5-1/4"	2-5/8"
27/64"	.4219	5-1/2"	2-3/4"
7/16"	.4375	5-1/2"	2-3/4"
29/64"	.4531	5-3/4"	2-7/8"
15/32"	.4688	5-3/4"	2-7/8"
31/64"	.4844	6"	3"
1/2"	.5000	6"	3"
17/32"	.5312	6-1/4"	3-1/8"
9/16"	.5625	6-1/2"	3-1/4"
19/32"	.5938	6-3/4"	3-3/8"
5/8"	.6250	7"	3-1/2"
21/32"	.6562	7-3/8"	3-11/16"
11/16"	.6875	7-3/4"	3-7/8"
23/32"	.7188	8-1/8"	4-1/16"
3/4"	.7500	8-3/8"	4-3/16"
25/32"	.7812	8-3/4"	4-3/8"
13/16"	.8125	9-1/8"	4-9/16"
27/32"	.8438	9-3/8"	4-11/16"
7/8"	.8750	9-3/4"	4-7/8"
29/32"	.9062	10"	5"
15/16"	.9375	10-1/4"	5-1/8"
31/32"	.9688	10-5/8"	5-5/16"
1"	1.0000	10-7/8"	5-7/16"
1-1/16"	1.0625	11-1/4"	5-5/8"
1-1/8"	1.1250	11-5/8"	5-13/16"
1-3/16"	1.1875	12"	6"
1-1/4"	1.2500	12-1/4"	6-1/8"
1-5/16"	1.3125	12-1/2"	6-1/4"
1-3/8"	1.3750	12-5/8"	6-5/16"
1-7/16"	1.4375	12-7/8"	6-7/16"
1-1/2"	1.5000	13"	6-1/2"