Page 324 - Introduction to Petroleum Engineering

314 UNIT CONVERSION FACTORS
AREA

2
1 square foot = 1 ft = 0.0929 m 2
2
2
1 square mile = 1 mi = 2.589 km = 2.589 × 10 m 2
6
2
1 square mile = 1 mi = 640 acres
1 acre = 1 ac = 4047 m 2
1 hectare = 1 ha = 1.0 × 10 m 2
4
−15
1 millidarcy = 1 md = 0.986923 × 10 m 2
−12
1 darcy = 1000 md = 0.986923 × 10 m 2
−28
−24
1 barn = 1.0 × 10 cm = 1.0 × 10 m 2
2
VOLUME
1 liter = 1 L = 0.001 m 3
−2
1 cubic foot = 1 ft = 2.83 × 10 m 3
3
1 standard cubic foot = 1 SCF = 1 ft at standard conditions
3
1 acre‐foot = 1 ac‐ft = 1233.5 m 3
1 barrel = 1 bbl = 0.1589 m 3
1 gallon (US liquid) = 1 gal = 3.785 × 10 m 3
−3
1 barrel = 42 gallons = 0.1589 m 3
1 barrel = 5.6148 ft 3
1 gallon = 3.788 liters
−6
1 cm = 1 cc = 10 m 3
3
−5
1 cm = 3.534 × 10 ft 3
3
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

3
1 g/cm = 1000 kg/m 3

FORCE

1 pound‐force = 1 lbf = 4.4482 N

pRESSURE

1 pascal = 1 Pa = 1 N/m = 1 kg/m⋅s 2
2
6
1 megapascal = 1 MPa = 10 Pa
9
1 gigapascal = 1 GPa = 10 Pa