Page 467 - Handbook Of Multiphase Flow Assurance

Standard temperature and pressure 467

1 atm = 101,325 Pa
1 Torr = 1 mmHg
1 atm = 760 mmHg

1 ft = 0.3048 m
1 ft = 12 in
1 mile = 5280 ft
1 Nautical mile = 1852 m
1 US offshore block = 9 sq. Nautical miles
1 acre = 43,560 sq. ft

2
2
1 W/(m K) = 0.1761 Btu/(h ft °F)
1 W/(m K) = 0.57782 Btu/(h ft °F)
1 W = 1 J/s = 3.4123 Btu/h

1 kg = 2.2046 lb m
1 pound = 16 oz = 453.592 g
1 ton = 1000 kg
1 US ton = 907.185 kg
1 imperial ton = 1016.05 kg

3
1 m = 6.2898 bbl
1 bbl = 158.987 L = 0.158987 m 3
1 bbl = 9702 in 3
1 gal = 3.78541 L
1 gal = 231 in 3
1 gal = 4 quarts = 8 pints = 128 fluid ounces = 768 teaspoons
1 L = 1000 cm 3
3
1 m = 1000 L = 35.3134 ft 3
1 cP = 0.001 Pa s

Standard temperature and pressure

There is no internationally accepted standard for STP. In 1980 GPA adopted 15 °C,
101.3250 kPa (abs) as standard conditions for SI units. Thus standard molar volumes are:
3
23.645 std. m /kmol at 15 °C (288.15 K), 101.3250 kPa
GPA SI standard conditions.
3
379.49 std. ft /lb. mol at 60 °F (519.67 °R), 14.696 psia.