Field Manual 3-34.331 TOPOGRAPHIC SURVEYING 16 January 2001
TOC Chap1 2 3 4 5 6 7 8 9 10 11 AppA AppB AppC AppD Gl Bib
This appendix complies with current army directives, which state that the metric system will be incorporated into all new publications. Table A-1 is a metric conversion chart and Table A-2 shows conversion factors for temperature, angles, and time.
US Units |
Multiplied By |
Equals |
Metric Units |
Multiplied By |
Equals |
Length |
|||||
Inches |
2.5400 |
Centimeters |
Centimeters |
0.39370 |
Inches |
Inches |
25.4001 |
Millimeters |
Millimeters |
0.03937 |
Inches |
Feet |
0.3048 |
Meters |
Meters |
3.28080 |
Feet |
Yards |
0.9144 |
Meters |
Meters |
1.09360 |
Yards |
Miles |
1.6093 |
Kilometers |
Kilometers |
0.62140 |
Miles |
Miles, Nautical |
1.8532 |
Kilometers |
Kilometers |
0.53960 |
Miles, Nautical |
Area |
|||||
Square miles |
2.590 |
Square kilometers |
Square kilometers |
0.38500 |
Square miles |
Volume |
|||||
Gallons |
3.7854 |
Liters |
Liters |
0.26420 |
Gallons |
Mass (Weight) |
|||||
Pounds |
0.4536 |
Kilograms |
Kilograms |
2.20460 |
Pounds |
Units |
Multiplied By |
Equals |
Units |
Multiplied By |
Equals |
---|---|---|---|---|---|
Temperature |
|||||
Degrees (F) - 32 |
0.5556 |
Degrees (C) |
Degrees (C) + 17.8 |
1.8000 |
Degrees (F) |
Angle |
|||||
Degrees (angular) |
17.7778 |
Mils |
Mils |
0.0562 |
Degrees (angular) |
Time |
|||||
Seconds |
0.001 |
Milliseconds |
Milliseconds |
1,000 |
Seconds |
Seconds |
0.000000001 |
Nanoseconds |
Nanoseconds |
1,000,000,000 |
Seconds |