| SIZE IN mm |
ROUNDS |
SQUARE |
| 5 |
0.15 |
0.20 |
| 6 |
0.22 |
0.28 |
| 8 |
0.39 |
0.50 |
| 10 |
0.52 |
0.78 |
| 12 |
0.89 |
1.13 |
| 14 |
1.21 |
1.54 |
| 16 |
1.58 |
2.01 |
| 18 |
2.00 |
2.54 |
| 20 |
2.47 |
3.14 |
| 22 |
2.98 |
3.80 |
| 25 |
3.85 |
4.91 |
| 28 |
4.83 |
6.15 |
| 30 |
5.55 |
7.06 |
| 32 |
6.31 |
8.04 |
| 36 |
7.99 |
10.17 |
| 38 |
8.90 |
11.34 |
| 40 |
9.86 |
12.56 |
| 42 |
10.87 |
13.88 |
TOR |
|
| SIZE IN mm |
ROUNDS |
SQUARE |
| 45 |
12.29 |
15.90 |
| 47 |
13.61 |
17.34 |
| 50 |
15.41 |
19.62 |
| 53 |
17.31 |
22.05 |
| 56 |
19.34 |
24.62 |
| 60 |
22.18 |
28.26 |
| 63 |
24.47 |
31.16 |
| 65 |
25.45 |
33.17 |
| 67 |
27.66 |
35.24 |
| 80 |
39.46 |
50.24 |
| 90 |
49.94 |
53.58 |
| 100 |
61.66 |
78.50 |
| 110 |
74.60 |
94.98 |
| 125 |
96.34 |
122.66 |
| 140 |
120.84 |
153.86 |
| 160 |
157.84 |
200.96 |
| 180 |
199.76 |
254.34 |
| 200 |
246.62 |
324.00 |
 |
| ROUNDS | |