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APPENDIX MISCELLANEOUS UNITS AND CONVERSION FACTORS 1. Formulas a. Area of circle, radius=r, is πr2(π=3.1316). b. Area of rectangle, width, and length=l, is wl. c. Area of triangle, base=b, and altitude=h, bh/2 d. Volume of sphere, radius=r, is 4/3 πr3(π=3.1416) e. Volume of prism, area of base=A, height=h, is Ah 2. Conversion factors. [[2 columned table]] | 66 nautical miles | =76 statute miles=122 kilometers (approximate) | | 1 centimeter (cm) | =0.393700 inch (in.) | | 1 foot (ft) | =12 inches (in.) | | 1 inch (in.) | =2.54001 centimeters (cm) | | 1 kilometer (km) | =1,000 meters (m) | | | =0.62137 statute mile (mile, stat.) | | | =0.53959 nautical miles (mile, naut.) | | | =3280.83 feet (ft) | | 1 meter (m) | =100 centimeters (cm) | | | =1,000 millimeters (mm) | | | =3.28083 feet (ft) | | | =39.3700 inches (in.) | | 1 millimeter (mm) | =0.039370 inch (in.) | | 1 nautical mile (naut.) | =6,080.20 feet (ft) | | | =1.151553 statute miles (miles, stat.) | | =1.853249 kilometers (km) | | 1 statute mile | =5,280 feet (ft) | | | =1.60935 kilometers (km) | | | =.868393 nautical mile | | 1 U.S gallon (gal.) | =231 cubic inches (cu. in.) | | | =.13368 cubic foot (cu. ft) | | | =7.4805 United States gallons (gal.) | | 1 kilometer per hour (km/hr) | =0.62137 statute mile per hour | | | =0.53959 knot | [[/2 columned table]] 80