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					Appendix IV

Weights and Measures

[For assistance on metric usage, call or write the Office of Metric Programs, U.S. Department of Commerce, Washington, DC 20230 (301-975-3690) Internet site <http://www.nist.gov/metric>] Symbol in ft yd mi in2 ft2 yd2 mi2 oz lb oz (troy) When you know conventional inch foot yard mile square square square square acre inch foot yard mile Multiply by 2.54 30.48 0.91 1.61 6.45 0.09 0.84 2.59 0.41 28.35 .45 31.10 0.91 1.02 29.57 0.24 0.47 0.95 3.78 0.03 0.76 0.55 To find metric centimeter centimeter meter kilometer square centimeter square meter square meter square kilometer hectare gram kilograms gram metric ton metric ton milliliter liter liter liter liter cubic meter cubic meter degrees Celsius Symbol cm cm m km cm2 m2 m2 km2 ha g kg g t t mL L L L L m3 m3 C

ounce 1 pound1 ounce 2 short ton (2,000 lb) long ton (2,240 lb)

fl oz c pt qt gal ft3 yd3 F

fluid ounce cup pint quart gallon cubic foot cubic yard degrees Fahrenheit (subtract 32) When you know metric centimeter centimeter meter kilometer square centimeter square meter square meter square kilometer hectare gram kilogram gram metric ton metric ton milliliter liter liter liter liter cubic meter cubic meter degrees Celsius (after multiplying, add 32)

Symbol cm cm m km cm2 m2 m2 km2 ha g kg g t t mL L L L L m3 m3 C
1

Multiply by 0.39 0.33 1.09 0.62 0.15 10.76 1.20 0.39 2.47 .035 2.21 .032 1.10 0.98 0.03 4.24 2.13 1.05 0.26 35.32 1.32 1.80
2

To find conventional inch foot yard mile square square square square acre inch foot yard mile

Symbol in ft yd mi in2 ft2 yd2 mi2 oz lb1 oz (troy)

ounce 1 pounds ounce 2 short ton (2,000 lb) long ton (2,240 lb) fluid ounce cup pint (liquid) quart (liquid) gallon cubic foot cubic yard degrees Fahrenheit

fl oz c pt qt gal ft3 yd3 F

For weighing ordinary commodities.

For weighing precious metals, jewels, etc.

Appendix IV
U.S. Census Bureau, Statistical Abstract of the United States: 1999

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