Drill Chart imperial/metric
April 11, 2012, 9:55 pmArticle Summary
Eldar Gerfanov (Admin)
April 11, 2012, 9:55 pm
November 26, 2021, 12:16 am
16250
Public
Author Summary
Thu November 21, 2024, 5:25 am
Thu November 21, 2024, 5:25 am
FRACTION INCH | NUMBER SIZE | LETTER SIZE | DECIMAL METRIC | DECIMAL INCHES |
FRACTION INCH | NUMBER SIZE | LETTER SIZE | DECIMAL METRIC | DECIMAL INCHES |
80 | 0.0135 | |||
79 | 0.0145 | |||
1/64 | 0.0156 | |||
78 | 0.0160 | |||
77 | 0.0180 | |||
0.5 | 0.0197 | |||
76 | 0.0200 | |||
75 | 0.0210 | |||
74 | 0.0225 | |||
73 | 0.0240 | |||
72 | 0.0250 | |||
71 | 0.0260 | |||
70 | 0.0280 | |||
69 | 0.0292 | |||
0.75 | 0.0295 | |||
68 | 0.0310 | |||
1/32 | 0.0312 | |||
67 | 0.0320 | |||
66 | 0.0330 | |||
65 | 0.0350 | |||
64 | 0.0360 | |||
63 | 0.0370 | |||
62 | 0.0380 | |||
61 | 0.0390 | |||
1 | 0.0394 | |||
60 | 0.0400 | |||
59 | 0.0410 | |||
58 | 0.0420 | |||
57 | 0.0430 | |||
56 | 0.0465 | |||
3/64 | 0.0469 | |||
1.25 | 0.0492 | |||
55 | 0.0520 | |||
54 | 0.0550 | |||
1.5 | 0.0591 | |||
53 | 0.0595 | |||
1/16 | 0.0625 | |||
52 | 0.0635 | |||
51 | 0.0670 | |||
1.75 | 0.0689 | |||
50 | 0.0700 | |||
49 | 0.0730 | |||
48 | 0.0760 | |||
5/64 | 0.0781 | |||
47 | 0.0785 | |||
2 | 0.0787 | |||
46 | 0.0810 | |||
45 | 0.0820 | |||
44 | 0.0860 | |||
2.25 | 0.0886 | |||
43 | 0.0890 | |||
42 | 0.0935 | |||
3/32 | 0.0938 | |||
41 | 0.0960 | |||
40 | 0.0980 | |||
2.5 | 0.0984 | |||
39 | 0.0995 | |||
38 | 0.1015 | |||
37 | 0.1040 | |||
36 | 0.1065 | |||
2.75 | 0.1083 | |||
7/64 | 0.1094 | |||
35 | 0.1100 | |||
34 | 0.1110 | |||
33 | 0.1130 | |||
32 | 0.1160 | |||
3 | 0.1181 | |||
31 | 0.1200 | |||
1/8 | 0.1250 | |||
3.25 | 0.1280 | |||
30 | 0.1285 | |||
29 | 0.1360 | |||
3.5 | 0.1378 | |||
28 | 0.1405 | |||
9/64 | 0.1406 | |||
27 | 0.1440 | |||
26 | 0.1470 | |||
3.75 | 0.1476 | |||
25 | 0.1495 | |||
24 | 0.1520 | |||
23 | 0.1540 | |||
5/32 | 0.1562 | |||
22 | 0.1570 | |||
4 | 0.1575 | |||
21 | 0.1590 | |||
20 | 0.1610 | |||
19 | 0.1660 | |||
4.25 | 0.1673 | |||
18 | 0.1695 | |||
11/64 | 0.1719 | |||
17 | 0.1730 | |||
16 | 0.1770 | |||
4.5 | 0.1772 | |||
15 | 0.1800 | |||
14 | 0.1820 | |||
13 | 0.1850 | |||
4.75 | 0.1870 | |||
3/16 | 0.1875 | |||
12 | 0.1890 | |||
11 | 0.1910 | |||
10 | 0.1935 | |||
9 | 0.1960 | |||
5 | 0.1969 | |||
8 | 0.1990 | |||
7 | 0.2010 | |||
13/64 | 0.2031 | |||
6 | 0.2040 | |||
5 | 0.2055 | |||
5.25 | 0.2067 | |||
4 | 0.2090 | |||
3 | 0.2130 | |||
5.5 | 0.2165 | |||
7/32 | 0.2188 | |||
2 | 0.2210 | |||
5.75 | 0.2264 | |||
1 | 0.2280 | |||
A | 0.2340 | |||
15/64 | 0.2344 | |||
6 | 0.2362 | |||
B | 0.2380 | |||
C | 0.2420 | |||
D | 0.2460 | |||
6.25 | 0.2461 | |||
1/4 | E | 0.2500 | ||
6.5 | 0.2559 | |||
F | 0.2570 | |||
G | 0.2610 | |||
17/64 | 0.2656 | |||
6.75 | 0.2657 | |||
H | 0.2660 | |||
I | 0.2720 | |||
7 | 0.2756 | |||
J | 0.2770 | |||
K | 0.2810 | |||
9/32 | 0.2812 | |||
7.25 | 0.2854 | |||
L | 0.2900 | |||
M | 0.2950 | |||
7.5 | 0.2953 | |||
19/64 | 0.2969 | |||
N | 0.3020 | |||
7.75 | 0.3051 | |||
5/16 | 0.3125 | |||
8 | 0.3150 | |||
O | 0.3160 | |||
P | 0.3230 | |||
8.25 | 0.3248 | |||
21/64 | 0.3281 | |||
Q | 0.3320 | |||
8.5 | 0.3346 | |||
R | 0.3390 | |||
11/32 | 0.3438 | |||
8.75 | 0.3445 | |||
S | 0.3480 | |||
9 | 0.3543 | |||
T | 0.3580 | |||
23/64 | 0.3594 | |||
9.25 | 0.3642 | |||
U | 0.3680 | |||
9.5 | 0.3740 | |||
3/8 | 0.3750 | |||
V | 0.3770 | |||
9.75 | 0.3839 | |||
W | 0.3860 | |||
25/64 | 0.3906 | |||
10 | 0.3937 | |||
X | 0.3970 | |||
Y | 0.4040 | |||
13/32 | 0.4063 | |||
Z | 0.4130 | |||
10.5 | 0.4134 | |||
27/64 | 0.4219 | |||
11 | 0.4331 | |||
7/16 | 0.4375 | |||
11.5 | 0.4528 | |||
29/64 | 0.4531 | |||
15/32 | 0.4688 | |||
12 | 0.4724 | |||
31/64 | 0.4844 | |||
12.5 | 0.4921 | |||
1/2 | 0.5000 | |||
13 | 0.5118 | |||
33/64 | 0.5156 | |||
17/32 | 0.5312 | |||
13.5 | 0.5315 | |||
35/64 | 0.5469 | |||
14 | 0.5512 | |||
9/16 | 0.5625 | |||
14.5 | 0.5709 | |||
37/64 | 0.5781 | |||
15 | 0.5906 | |||
19/32 | 0.5938 | |||
39/64 | 0.6094 | |||
15.5 | 0.6102 | |||
5/8 | 0.6250 | |||
16 | 0.6299 | |||
41/64 | 0.6406 | |||
16.5 | 0.6496 | |||
21/32 | 0.6562 | |||
17 | 0.6693 | |||
43/64 | 0.6719 | |||
11/16 | 0.6875 | |||
17.5 | 0.6890 | |||
45/64 | 0.7031 | |||
18 | 0.7087 | |||
23/32 | 0.7188 | |||
18.5 | 0.7283 | |||
47/64 | 0.7344 | |||
19 | 0.7480 | |||
3/4 | 0.7500 | |||
49/64 | 0.7656 | |||
19.5 | 0.7677 | |||
25/32 | 0.7813 | |||
20 | 0.7874 | |||
51/64 | 0.7969 | |||
20.5 | 0.8071 | |||
13/16 | 0.8125 | |||
21 | 0.8268 | |||
53/64 | 0.8281 | |||
27/32 | 0.8438 | |||
21.5 | 0.8465 | |||
55/64 | 0.8594 | |||
22 | 0.8661 | |||
7/8 | 0.8750 | |||
22.5 | 0.8858 | |||
57/64 | 0.8906 | |||
23 | 0.9055 | |||
29/32 | 0.9062 | |||
59/64 | 0.9219 | |||
23.5 | 0.9252 | |||
15/16 | 0.9375 | |||
24 | 0.9449 | |||
61/64 | 0.9531 | |||
24.5 | 0.9646 | |||
31/32 | 0.9688 | |||
25 | 0.9843 | |||
63/64 | 0.9844 | |||
1 | 1.0000 |