Installation manual
DECIMAL 
TO 
METRIC 
EQUIVALENT 
CHART 
Fractions 
of 
Decimal (in.) 
Metric (mm) 
Fractions of 
Decimal (in.) 
Metric 
(mm) 
an  inch 
an inch 
1/64 
0.015625 
0.39688  33/64 
0.515625 
13.09687 
1/32 
0.03125 
0.79375 
17132 
0.53125 
13.49375 
3/64  0.046875 
1.19062 
35/64 
0.546875 
13.89062 
1/16 
0.0625 
1.58750 
9/16 
0.5625 
14.28750 
5/64 
0.078125 
1.98437  37/64 
0.578125 
14.68437 
3/32  0.09375 
2.38125 
19/32 
0.59375 
15.08125 
7/64  0.109375 
2.77812  39/64 
0.609375 
15.47812 
1/8 
0.125 
3.175 
5/8  0.625 
15.87500 
9/64 
0.140625 
3.57187 
41/64 
0.640625 
16.27187 
5/32 
0.15625 
3.96875  21/32 
0.65625 
16.66875 
11/64 
0.171875 
4.36562 
43/64 
0.671875 
17.06562 
3/16 
0.1875 
4.76250 
11/16  0.6875 
17.46250 
13/64 
0.203125 
5.15937  45/64 
0.703125 
17.85937 
7/32 
0.21875 
5.55625 
23/32 
0.71875 
18.25625 
15/64 
0.234375 
5.95312 
47/64 
0.734375 
18.65312 
1/4 
0.250 
6.35000 
3/4  0.750 
19.05000 
17/64 
0.265625 
6.74687 
49/64  0.765625 
19.44687 
9/32  0.28125 
7.14375 
25/32 
0.78125 
19.84375 
19/64 
0.296875 
7.54062 
51164 
0.796875 
20.24062 
5/16  0.3125 
7.93750  13/16 
0.8125 
20.63750 
21/64 
0.328125 
8.33437 
53/64 
0.828125 
21.03437 
11/32 
0.34375 
8.73125 
27/32 
0.84375 
21.43125 
23/64 
0.359375 
9.12812 
55/64 
0.859375 
21.82812 
3/8  0.375 
9.52500 
7/8 
0.875 
22.22500 
25/64 
0.390625 
9.92187  57/64 
0.890625 
22.62187 
13/32 
0.40625  10.31875  29/32 
0.90625 
23.01875 
27/64 
0.421875 
10.71562 
59/64 
0.921875 
23.41562 
7/16  0.4375 
11.11250 
15/16 
0.9375 
23.81250 
29/64 
0.453125 
11.50937 
61/64 
0.953125 
24.20937 
15/32 
0.46875 
11.90625 
31/32 
0.96875 
24.60625 
31/64 
0.484375 
12.30312 
63/64 
0.984375 
25.00312 
1/2 
0.500 
12.70000 
1 
1.00 
25.40000 










