Unit Conversion Factors PDF

Appendix UNIT CONVERSION FACTORS1 TIME 1 hour = 1 hr = 3600 s 1 day = 8.64 × 104 s 1 year = 1 yr = 3.1536 × 107 s LENGTH 1 foot = 1 ft = 0.3048 m 1 kilometer = 1 km = 1000 m 1 mile = 1 mi = 1.609 km 1 cm = 10−2 m VELOCITY 1 foot per second = 0.3048 m/s 1 kilometer per hour = 1 kph = 1000 m/hr...

Appendix UNIT CONVERSION FACTORS1 TIME 1 hour = 1 hr = 3600 s 1 day = 8.64 × 104 s 1 year = 1 yr = 3.1536 × 107 s LENGTH 1 foot = 1 ft = 0.3048 m 1 kilometer = 1 km = 1000 m 1 mile = 1 mi = 1.609 km 1 cm = 10−2 m VELOCITY 1 foot per second = 0.3048 m/s 1 kilometer per hour = 1 kph = 1000 m/hr = 0.278 m/s 1 mile per hour = 1 mph = 1.609 km/hr = 1609 m/hr = 0.447 m/s 1 Adapted from Fanchi (2010), Appendix A. Introduction to Petroleum Engineering, First Edition. John R. Fanchi and Richard L. Christiansen. © 2017 John Wiley & Sons, Inc. Published 2017 by John Wiley & Sons, Inc. Companion website: www.wiley.com/go/Fanchi/IntroPetroleumEngineering 314 UNIT CONVERSION FACTORS AREA 1 square foot = 1 ft2 = 0.0929 m2 1 square mile = 1 mi2 = 2.589 km2 = 2.589 × 106 m2 1 square mile = 1 mi2 = 640 acres 1 acre = 1 ac = 4047 m2 1 hectare = 1 ha = 1.0 × 104 m2 1 millidarcy = 1 md = 0.986923 × 10−15 m2 1 darcy = 1000 md = 0.986923 × 10−12 m2 1 barn = 1.0 × 10−24 cm2 = 1.0 × 10−28 m2 VOLUME 1 liter = 1 L = 0.001 m3 1 cubic foot = 1 ft3 = 2.83 × 10−2 m3 1 standard cubic foot = 1 SCF = 1 ft3 at standard conditions 1 acre‐foot = 1 ac‐ft = 1233.5 m3 1 barrel = 1 bbl = 0.1589 m3 1 gallon (US liquid) = 1 gal = 3.785 × 10−3 m3 1 barrel = 42 gallons = 0.1589 m3 1 barrel = 5.6148 ft3 1 gallon = 3.788 liters 1 cm3 = 1 cc = 10−6 m3 1 cm3 = 3.534 × 10−5 ft3 MASS 1 gram = 1 g = 0.001 kg 1 pound (avoirdupois) = 1 lb (avdp) = 1 lbm = 0.453592 kg 1 tonne = 1000 kg MASS DENSITY 1 g/cm3 = 1000 kg/m3 FORCE 1 pound‐force = 1 lbf = 4.4482 N PRESSURE 1 pascal = 1 Pa = 1 N/m2 = 1 kg/m⋅s2 1 megapascal = 1 MPa = 106 Pa 1 gigapascal = 1 GPa = 109 Pa UNIT CONVERSION FACTORS 315 1 pound‐force per square inch = 1 psi = 6894.8 Pa 1 atmosphere = 1 atm = 1.01325 × 105 Pa 1 atmosphere = 1 atm = 14.7 psi 1 bar = 14.5 psi = 0.1 MPa 1 MPa = 145 psi ENERGY 1 megajoule = 1 MJ = 1.0 × 106 J 1 gigajoule = 1 GJ = 1.0 × 109 J 1 exajoule = 1 EJ = 1.0 × 1018 J 1 eV = 1.6022 × 10−19 J 1 MeV = 106 eV = 1.6022 × 10−13 J 1 erg = 10−7 J 1 BTU = 1055 J 1 ft⋅lbf = 0.7376 J 1 calorie (thermochemical) = 1 cal = 4.184 J 1 kilocalorie = 1 kcal = 1000 calories = 4.184 × 103 J 1 Calorie = 1000 calories = 4.184 × 103 J 1 kilowatt‐hour = 1 kW⋅h = 1 kW⋅1 hr = 3.6 × 106 J 1 quad = 1 quadrillion BTU = 1.0 × 1015 BTU = 1.055 × 1018 J 1 quad = 2.93 × 1011 kW⋅h = 1.055 × 1012 MJ 1 quad = 1.055 exajoule = 1.055 EJ 1 barrel of oil equivalent = 1 BOE = 5.8 × 106 BTU = 6.12 × 109 J 1 quad = 1.72 × 108 BOE = 172 × 106 BOE ENERGY DENSITY 1 BTU/lbm = 2326 J/kg 1 BTU/SCF = 3.73 × 104 J/m3 POWER 1 watt = 1 W = 1 J/s 1 megawatt = 106 W = 106 J/s 1 kilowatt‐hour per year = 1 kW⋅h/yr = 0.114 W = 0.114 J/s 1 horsepower = 1 hp = 745.7 W 1 hp = 33 000 ft·lbf/min VISCOSITY 1 centipoise = 1 cp = 0.001 Pa·s 1 mPa·s = 0.001 Pa·s = 1 cp = 10−3 Pa·s 1 poise = 100 cp = 0.1 Pa·s 316 UNIT CONVERSION FACTORS RADIOACTIVITY 1 curie = 1 Ci = 3.7 × 1010 decays/s 1 roentgen = 1 R = 2.58 × 10−4 C/kg 1 radiation absorbed dose = 1 rad = 100 erg/g = 0.01 J/kg 1 gray = 1 Gy = 1 J/kg 100 rems = 1 sievert = 1 Sv TEMPERATURE Kelvin to centigrade: °C = °K − 273.15 Centigrade to fahrenheit: °F = (9/5)°C + 32 Rankine to fahrenheit: °F = °R − 460 Rankine to kelvin: °K = (5/9)°R VOLUMETRIC FLOW RATE 1 cm3/s = 1 cc/s = 10−6 m3/s 1 cm3/s = 3.053 ft3/day = 0.5437 bbl/day 1 bbl/day = 1.839 cm3/s