While FW Murphy has made a reasonable attempt to verify the accuracy of the contents, the user assumes responsi- bility for any errors found in this booklet. DECIMAL EQUIVALENTS Fraction Decimal Fraction Decimal Fraction Decimal 1/64 0.0156 11/32 0.3438 43/64 0.6719 1/32 0.0313 23/64 0.3594 11/16 0.6875 3/64 0.0469 3/8 0.3750 45/64 0.7031 1/16 0.0625 25/64 0.3906 23/32 0.7188 5/64 0.0781 13/32 0.4063 47/64 0.7344 3/32 0.0938 27/64 0.4219 3/4 0.7500 7/64 0.1094 7/16 0.4375 49/64 0.7656 1/8 0.1250 29/64 0.4531 25/32 0.7813 9/64 0.1406 15/32 0.4688 51/64 0.7969 5/32 0.1563 31/64 0.4844 13/16 0.8125 11/64 0.1719 1/2 0.5000 53/64 0.8281 3/16 0.1875 33/64 0.5156 27/32 0.8438 13/64 0.2031 17/32 0.5313 55/64 0.8594 7/32 0.2188 35/64 0.5469 7/8 0.8750 15/64 0.2344 9/16 0.5625 57/64 0.8906 1/4 0.2500 37/64 0.5781 29/32 0.9063 17/64 0.2656 19/32 0.5938 59/64 0.9219 9/32 0.2813 39/64 0.6094 15/16 0.9375 19/64 0.2969 5/8 0.6250 61/64 0.9531 5/16 0.3125 41/64 0.6406 31/32 0.9688 21/64 0.3281 21/32 0.6563 63/64 0.9844 1 1.0000 TEMPERATURE CONVERSIONS °F= 9/5 °C+32 °C= 5/9 (°F-32) DECADE TABLE (SI PREFIXES AND MULTIPLICATION FACTORS) Value Prefix SI Symbol Factor 1 000 000 000 000 tera T 1012 1 000 000 000 giga G 109 1 000 000 mega M 106 1 000 kilo k 103 100 hecto h 102 10 deka da 101 0.1 deci d 10-1 0.01 centi c 10-2 0.001 mili m 10-3 0.000 001 micro µ 10-6 0.000 000 001 nano n 10-9 0.000 000 000 001 pico p 10-12 Coversions Booklet page 1 of 22 USEFUL CONVERSIONS TO CONVERT . INTO . MULTIPLY BY ... A abamperes amperes 1.0 x 101 abcoulombs statcoulombs 2.998 x 1010 abfarads farads 1.0 x 109 abfarads microfarads 1.0 x 1015 abhenries henries 1.0 x 10-9 abhenries millihenries 1.0 x 10-6 abohms ohms 1.0 x 10-9 abohms megohms 1.0 x 10-15 abvolts volts 1.0 x 10-8 acres sq. chain (gunters) 1.0 x 101 acres rods 1.60 x 102 acres square links 1.0 x 105 acres hectare or sq. hectometer 4.047 x 10-1 acres sq. feet 4.35 x 104 acres sq. meters 4.047 x 103 acres sq. miles 1.562 x 10-3 acres sq. yards 4.840 x 103 acre-feet cu. feet 4.356 x 104 acre-feet gallons 3.259 x 105 amperes/sq. cm. amps/sq. in. 6.452 amperes/sq. cm. amps/sq. meter 1.0 x 104 amperes/sq. in. amps/sq. cm. 1.550 x 10-1 amperes/sq. in. amps/sq. meter 1.550 x 103 amperes/sq. meter amps/sq. cm. 1. x 10-4 amperes/sq. meter amps/sq. in. 6.452 x 10-4 ampere-hours coulombs 3.600 x 103 ampere-hours faradays 3.731 x 10-2 ampere-turns gilberts 1.257 ampere-turns/cm. amp-turns/in. 2.540 ampere-turns/cm. amp-turns/meter 1.0 x 102 ampere-turns/in. amp-turns/cm. 3.937 x 10-1 ampere-turns/in. amp-turns/meter 3.937 x 101 ampere-turns/in. gilberts/cm. 4.950 x 10-1 ampere-turns/meter amp/turns/cm. 1.0 x 10-2 ampere-turns/meter amp-turns/in. 2.54 x 10-2 ampere-turns/meter gilberts/cm 1.257 x 10-2 angstrom unit inches 3.937 x 10-9 angstrom unit meters 1.0 x 10-10 angstrom unit micron or (Mu) 1.0 x 10-4 ares acres 2.471 x 10-2 ares sq. yards 1.196 x 102 ares sq. meters 1.0 x 102 astronomical unit kilometers 1.495 x 108 atmospheres bar 1.0133 atmospheres ton/sq. inch 7.348 x 10-3 atmospheres cms. of mercury ( at 0°C) 76. x 101 atmospheres ft. of water (at 4°C) 3.39 x 101 atmospheres in. of mercury (at 0°C) 2.992 x 101 atmospheres meters of mercury (0°C) 7.6 x 10-1 Coversions Booklet page 2 of 22 TO CONVERT . INTO . MULTIPLY BY ... atmospheres kgs./sq. cm. 1.0333 atmospheres kgs./sq. meter 1.0332 x 104 atmospheres kilopascals (kPa) 1.01325 x 102 atmospheres pounds/sq in. 1.469 x 101 atmospheres tons/sq. ft. 1.058 B barrels (U.S. dry) bushels 3.281 barrels (U.S. dry) cu. inches 7.056 x 103 barrels (U.S. dry) quarts (dry) 1.05 x 102 barrels (U.S. Iiquid) gallons 3.15 x 101 barrels (oil) gallons (oil) 4.2 x 101 bar atmospheres 9.869 x 10-1 bar dynes/sq. cm. 1.0 x 106 bar feet of water (4°C) 33.4883 bar inches of mercury 29.5300 bar kgs./sq. cm. 1.01972 bar kilopascals (kPa) 1.0000 x 102 bar pounds/sq. ft. 2.089 x 103 bar pounds/sq. in. 1.45 x 101 barye dyne/sq. cm. 1.00 bolt (U.S. cloth) meters 3.6576 x 101 btu liter-atmospheres 1.0409 x 101 btu ergs 1.0550 x 1010 btu foot-lbs. 7.7816 x 102 btu gram-calories 2.52 x 102 btu horsepower-hours 3.927 x 10-4 btu joules 1.055 x 103 btu kilogram-calories 2.52 x 10-1 btu kilogrammeters 1.0758 x 102 btu kilowatt-hours 2.928 x 10-4 btu/hr foot-pounds/sec. 2.162 x 10-1 btu/hr gram-cal./sec. 7.0 x 10-2 btu/hr horsepower-hours 3.929 x 10-4 btu/hr watts 2.931 x 10-1 btu/min. foot-lbs./sec. 1.296 x 101 btu/min. horsepower 2.356 x 10-2 btu/min. kilowatts 1.757 x 10-2 btu/min. watts 1.757 x 101 btu/sq. ft./min. watts/sq. in. 1.22 x 10-1 bucket(Br. dry) cubic cm. 1.8184 x 104 bushels cu. ft. 1.2445 bushels cu. in. 2.1504 x 103 bushels cu. meters 3.524 x 10-2 bushels liters 3.524 x 101 bushels pecks 4.0 bushels pints (dry) 6.4 x 101 bushels quarts (dry) 3.2 x 101 C calories, gram (mean) btu (mean) 3.9685 x 10-3 candle/sq. cm. lamberts 3.146 Coversions Booklet page 3 of 22 TO CONVERT . INTO . MULTIPLY BY ... candle/sq. inch lamberts 4.870 x 10-1 centares (centiares) sq. meters 1.0 centigrade (degrees) fahrenheit (degrees) (°C x 9/5) + 32 centigrade (degrees) kelvin (degrees) °C + 273.18 centigrams grams 1.0 x 10-2 centiliters ounce fluid (U.S.) 3.382 x 10-1 centiliters cubic inch 6.103 x 10-1 centiliters drams 2.705 centiliters liters 1.0 x 10-2 centimeters feet 3.281 x 10-2 centimeters inches 3.937 x 10-1 centimeters kilometers 1.0 x 10-5 centimeters meters 1.0 x 10-2 centimeters miles 6.214 x 10-6 centimeters microns 1.0 x 104 centimeters millimeters 1.0 x 101 centimeters mils 3.937 x 102 centimeters yards 1.094 x 10-2 centimeters angstrom units 1.094 x 108 centimeter-dynes cn-grams 1.020 x 10-3 centimeter-dynes meter-kgs. 1.020 x lO-8 centimeter-dynes pound-feet 7.376 x 10-8 centimeter-grams cm-dynes 9.807 x 102 centimeter-grams meter-kgs. 1.0 x 10-5 centimeter-grams pound-feet 7.233 x 10-5 centimeters of mercury atmospheres 1.316 x 10-2 centimeters of mercury feet of water 4.461 x 10-1 centimeters of mercury kgs./sq. meter 1.36 x 102 centimeters of mercury pounds/sq. ft. 2.785 x 101 centimeters of mercury pounds/sq. in. 1.934 x 10-1 centimeters/sec. feet/min. 1.969 centimeters/sec. feet/sec. 3.281 x 10-2 centimeters/sec. kilometers/hr. 3.6 x 10-2 centimeters/sec. knots 1.943 x 10-2 centimeters/sec. meters/min. 6.0 x 10-1 centimeters/sec. miles/hr. 2.237 x 10-2 centimeters/sec. miles/min. 3.728 x 10-4 centimeters/sec./sec. feet/sec./sec. 3.281 x 10-2 centimeters/sec./sec. kms/hr/sec. 3.6 x 10-2 centimeters/sec./sec. meters/sec./sec. 1.0 x 10-2 centimeters/sec./sec. miles/hr./sec. 2.237 x 10-2 centipoise gr./cm./-sec. 1.0 x 10-2 centipoise pound/ft./-sec. 6.72 x 10-4 centipoise pound/ft./-hr. 2.4 chains (gunters) inches 7.92 x 102 chains (gunters) meters 2.012 x 101 chains (gunters) yards 2.2 x 101 circular mils sq. cms 5.067 x l0-6 circular mils sq. mils 7.854 x 10-1 circular mils sq.