Laserfiche WebLink
<br />SI* (MODERN METRIC) CONVERSION FACTORS <br />APPROXIMATE CONVERSIONS TO SI UNITS <br />Symbol When You Know Multiply By To Find Symbol <br />LENGTH <br />in inches 25.4 millimeters mm <br />ft feet 0.305 meters m <br />yd yards 0.914 meters m <br />mi miles 1.61 kilometers km <br />AREA <br />in2 square inches 645.2 square millimeters mm2 <br />ft2 square feet 0.093 square meters m2 <br />yd2 square yard 0.836 square meters m2 <br />ac acres 0.405 hectares ha <br />mi2 square miles 2.59 square kilometers km2 <br />VOLUME <br />fl oz fluid ounces 29.57 milliliters mL <br />gal gallons 3.785 liters L <br />ft3 cubic feet 0.028 cubic meters m3 <br />yd3 cubic yards 0.765 cubic meters m3 <br />NOTE: volumes greater than 1000 L shall be shown in m3 <br />MASS <br />oz ounces 28.35 grams g <br />lb pounds 0.454 kilograms kg <br />T short tons (2000 lb) 0.907 megagrams (or "metric ton") Mg (or "t") <br />TEMPERATURE (exact degrees) <br />oF Fahrenheit 5 (F-32)/9 Celsius oC <br />or (F-32)/1.8 <br />ILLUMINATION <br />fc foot-candles 10.76 lux lx <br />fl foot-Lamberts 3.426 candela/m2 cd/m2 <br />FORCE and PRESSURE or STRESS <br />lbf poundforce 4.45 newtons N <br />lbf/in2 poundforce per square inch 6.89 kilopascals kPa <br />APPROXIMATE CONVERSIONS FROM SI UNITS <br />Symbol When You Know Multiply By To Find Symbol <br />LENGTH <br />mm millimeters 0.039 inches in <br />m meters 3.28 feet ft <br />m meters 1.09 yards yd <br />km kilometers 0.621 miles mi <br />AREA <br />mm2 square millimeters 0.0016 square inches in2 <br />m2 square meters 10.764 square feet ft2 <br />m2 square meters 1.195 square yards yd2 <br />ha hectares 2.47 acres ac <br />km2 square kilometers 0.386 square miles mi2 <br />VOLUME <br />mL milliliters 0.034 fluid ounces fl oz <br />L liters 0.264 gallons gal <br />m3 cubic meters 35.314 cubic feet ft3 <br />m3 cubic meters 1.307 cubic yards yd3 <br />MASS <br />g grams 0.035 ounces oz <br />kg kilograms 2.202 pounds lb <br />Mg (or "t") megagrams (or "metric ton") 1.103 short tons (2000 lb) T <br />TEMPERATURE (exact degrees) <br />oC Celsius 1.8C+32 Fahrenheit oF <br />ILLUMINATION <br />lx lux 0.0929 foot-candles fc <br />cd/m2 candela/m2 0.2919 foot-Lamberts fl <br />FORCE and PRESSURE or STRESS <br />N newtons 0.225 poundforce lbf <br />kPa kilopascals 0.145 poundforce per square inch lbf/in2 <br />*SI is the symbol for th International System of Units. Appropriate rounding should be made to comply with Section 4 of ASTM E380. e <br />(Revised March 2003) <br /> ii