Metric Drill Size Conversion Chart |
|||||||
|---|---|---|---|---|---|---|---|
| mm | Decimal | mm | Decimal | mm | Decimal | mm | Decimal |
0.35 mm |
0.0138 |
2.45 mm |
0.0965 |
5.75 mm |
0.2264 |
9.25 mm |
0.3641 |
0.4 mm |
0.0157 |
2.5 mm |
0.0984 |
5.8 mm |
0.2283 |
9.3 mm |
0.3661 |
0.45 mm |
0.0177 |
2.55 mm |
0.1004 |
5.9 mm |
0.2324 |
9.4 mm |
0.3701 |
0.5 mm |
0.0197 |
2.6 mm |
0.1024 |
6. mm |
0.2362 |
9.5 mm |
0.3740 |
0.55 mm |
0.0217 |
2.65 mm |
0.1043 |
6.1 mm |
0.2402 |
9.6 mm |
0.3780 |
0.6 mm |
0.0236 |
2.7 mm |
0.1063 |
6.2 mm |
0.2441 |
9.7 mm |
0.3819 |
0.65 mm |
0.0256 |
2.75 mm |
0.1083 |
6.25 mm |
0.2461 |
9.75 mm |
0.3839 |
0.7 mm |
0.0276 |
2.8 mm |
0.1102 |
6.3 mm |
0.2480 |
9.8 mm |
0.3858 |
0.78 mm |
0.0295 |
2.9 mm |
0.1142 |
6.4 mm |
0.2520 |
9.9 mm |
0.3898 |
0.80 mm |
0.0315 |
3.0 mm |
0.1181 |
6.5 mm |
0.2559 |
10.0 mm |
0.3937 |
0.85 mm |
0.0335 |
3.1 mm |
0.1220 |
6.6 mm |
0.2598 |
10.5 mm |
0.4134 |
0.9 mm |
0.0354 |
3.2 mm |
0.1260 |
6.7 mm |
0.2638 |
11.0 mm |
0.4331 |
0.95 mm |
0.0374 |
3.25 mm |
0.1280 |
6.75 mm |
0.2654 |
11.5 mm |
0.4528 |
1.0 mm |
0.0394 |
3.3 mm |
0.1299 |
6.8 mm |
0.2677 |
12.0 mm |
0.4724 |
1.05 mm |
0.0413 |
3.4 mm |
0.1339 |
6.9 mm |
0.2717 |
12.5 mm |
0.4921 |
1.1 mm |
0.0433 |
3.5 mm |
0.1378 |
7.0 mm |
0.2756 |
13.0 mm |
0.5118 |
1.15 mm |
0.0453 |
3.6 mm |
0.1417 |
7.1 mm |
0.2795 |
13.5 mm |
0.5315 |
1.2 mm |
0.0472 |
3.7 mm |
0.1457 |
7.2 mm |
0.2835 |
14.0 mm |
0.5512 |
1.25 mm |
0.0492 |
3.75 mm |
0.1476 |
7.25 mm |
0.2854 |
14.5 mm |
0.5709 |
1.3 mm |
0.0512 |
3.8 mm |
0.1496 |
7.3 mm |
0.2874 |
15.0 mm |
0.5906 |
1.35 mm |
0.0531 |
3.9 mm |
0.1535 |
7.4 mm |
0.2913 |
15.5 mm |
0.6102 |
1.4 mm |
0.0551 |
4.0 mm |
0.1575 |
7.5 mm |
0.2953 |
16.0 mm |
0.6299 |
1.45 mm |
0.0571 |
4.1 mm |
0.1614 |
7.6 mm |
0.2992 |
16.5 mm |
0.6496 |
1.5 mm |
0.0591 |
4.2 mm |
0.1654 |
7.7 mm |
0.3031 |
17.0 mm |
0.6693 |
1.55 mm |
0.0610 |
4.25 mm |
0.1674 |
7.75 mm |
0.3051 |
17.5 mm |
0.6890 |
1.6 mm |
0.0630 |
4.3 mm |
0.1693 |
7.8 mm |
0.3071 |
18.0 mm |
0.7087 |
1.65 mm |
0.0650 |
4.4 mm |
0.1732 |
7.9 mm |
0.3110 |
18.5 mm |
0.7283 |
1.7 mm |
0.0669 |
4.5 mm |
0.1772 |
8.0 mm |
0.3150 |
19.0 mm |
0.7480 |
1.75 mm |
0.0689 |
4.6 mm |
0.1811 |
8.1 mm |
0.3189 |
19.5 mm |
0.7677 |
1.8 mm |
0.0709 |
4.7 mm |
0.185 |
8.2 mm |
0.3228 |
20.0 mm |
0.7874 |
1.85 mm |
0.0728 |
4.75 mm |
0.1870 |
8.25 mm |
0.3248 |
20.5 mm |
0.8071 |
1.9 mm |
0.0748 |
4.8 mm |
0.1890 |
8.3 mm |
0.3268 |
21.0 mm |
0.8268 |
1.95 mm |
0.0768 |
4.9 mm |
0.1929 |
8.4 mm |
0.3307 |
21.5 mm |
0.8465 |
2.0 mm |
0.0787 |
5.0 mm |
0.1969 |
8.5 mm |
0.3346 |
22.0 mm |
0.8661 |
2.05 mm |
0.0807 |
5.1 mm |
0.2008 |
8.6 mm |
0.3386 |
22.5 mm |
0.8858 |
2.1 mm |
0.0827 |
5.2 mm |
0.2047 |
8.7 mm |
0.3425 |
23.0 mm |
0.9055 |
2.15 mm |
0.0846 |
5.25 mm |
0.2067 |
8.75 mm |
0.3445 |
23.5 mm |
0.9252 |
2.2 mm |
0.0866 |
5.3 mm |
0.2087 |
8.8 mm |
0.3465 |
24.0 mm |
0.9449 |
2.25 mm |
0.0886 |
5.4 mm |
0.2126 |
8.9 mm |
0.3504 |
24.5 mm |
0.9646 |
2.3 mm |
0.0906 |
5.5 mm |
0.2165 |
9.0 mm |
0.3543 |
25.0 mm |
0.9843 |
2.35 mm |
0.0925 |
5.6 mm |
0.2205 |
9.1 mm |
0.3583 |
25.4 mm |
1.000 |
2.4 mm |
0.0945 |
5.7 mm |
0.2244 |
9.2 mm |
0.3622 |
25.5 mm |
1.0039 |
