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APPENDIX A
CONVERSION TABLES
1. Common Metric Abbreviations.
kg = kilogram
m= meter
km = kilometer
dm = decimeter
MT = metric ton
cm = centimeter
mm = millimeter
2. Linear Measure.
l km= 0.6214 mi
l mi= 1,609.35 m
l m = 1.0936 yd
l yd= 0.9144 m
l m = 3.2808 ft
1 ft = 0.03048 m
1 m = 39.3700 in.
1 in. = 0.0254 m
l m= 10 dm = 100 cm = 1,000 mm
3. Surface Measure.
l sqm= 1.196 sq yd
1 sq yd = 0.8361 sq m
l sqm= 10.764 sq ft
1 sq ft = 0.0929 sq m
l sqm= 1,550 sq in.
1 sq in. = 0.00064 sq m
4. Cubic Measure.
l cu m= 1.31 CU yd
l cu yd= 0.76455 cu m
1 cu ft = 0.02831 cu m
1 cu m = 35.30 cu ft
1 cu in. = 0.000016 cu m
1 cu m = 61,023 cu in.
5. Weight.
1 kg = 2.2046 lb
1 STON = 907.185 kg
1 MT = 1,000 kg
1 lb = 0.45359 kg
1 MT = 2,204.62 lb
l-in. x 6-in. x desired length = 2.5-cm x 15-cm
6. The following simplified conversion factors are
accurate to within 2 percent for quick
x desired length.
6-in. x 8-in. x desired length = 15-cm x 20-cm
a. Inches to centimeters. Multiply in. by 10 and
x desired length.
divide by 4.
l-in. x 12-in. x desired length = 2.5-cm x 30-
b. Yards to meters. Multiply yd by 9 and divide
cm x desired length (length normally expressed in ft
by 10.
or m).
c . Miles to kilometers. Multiply mi by 8 and
b. Wire rope.
divide by 5.
3/8-in. dia = 9.5-mm dia
d. Pounds to kilograms. Multiply lb by 5 and
l/2-in. dia = 12.7-mm dia
divide by 11.
5/8-in. dia = 15.8-mm dia
Paragraph 7-37, FM 55-15 and paragraph 2-15, TM
3/4-in. dia = 19.O-mm dia
7/8-in. dia = 22.2-mm dia
factors.
l-in. dia = 25.4-mm dia
7. The following conversions are provided for guid-
1 l/4-in. dia = 31.7-mm dia
ance when lumber, wire rope, or wire are procured
1 l/2-in dia = 38.1-mm dia
in areas that use the metric system. Lumber sizes
Round to the next higher whole mm of available
are rounded to the nearest 1/2 cm.
wire rope sizes.
a. Lumber.
c. Wire. No. 8 gauge annealed (1l/64-in dia) =
2-in. x 4-in. x desired length = 5-cm x lo-cm x
4.37-mm dia. Round as in b above.
desired length.
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