ARMY TM 9-6115-643-24
AIR FORCE TO 35C2-3-445-22
TABLE D-1. INCHES TO METRIC CONVERSION
PART 1. Fractional Equivalent
Fractional Inches
Decimal Inches
mm
1/16
.0625
1.587
1/8
.1250
3.175
3/16
.1875
4.762
1/4
.2500
6.350
5/16
.3125
7.937
3/8
.3750
9.525
7/16
.4375
11.112
1/2
.5000
12.700
9/16
.5625
14.287
5/8
.6250
15.875
11/16
.6875
17.462
3/4
.7500
19.050
13/16
.8125
20.637
7/8
.8750
22.225
15/16
.9375
23.812
1
1
25.400
PART Il. Inches to Centimeters
Inches
cm
1
2.540
2
5.080
3
7.620
4
10.16
5
12.70
6
15.24
7
17.78
8
20.32
9
22.86
10
25.40
20
50.80
30
76.20
40
101.6
50
127.0
60
152.4
70
177.8
80
203.2
90
228.6
100
254.0
D-20