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Conversion Factors
Energy:
1 BTU/hour = 0.293 Watts
1 Megawatt = 3,413,000 BTU/hour
1 boiler horsepower (BHP) = 33520 BTU/hr
1 boiler horsepower (BHP) = 9803 Watts
1 lb/mmbtu = 1.548 kg/MW-hr
1 lb steam/hr (300 psi, saturated) = 1202 BTU/hr
1 million ft3 = 10,000 therms
1 therm = 100,000 BTU
1 therm = 100 ft3natural gas (approximately)
1 ft3 natural gas = 1000 BTU (approximately)
1 Pound of fuel oil = 19,000 BTU (approximately)
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Pressure:
1 atmosphere = 14.69 psi
1 atmosphere = 760 millimeters of mercury
1 psi = 0.068 atmospheres
1 millimeter of mercury = 0.00132 atmospheres
1 millimeter of mercury = 0.0193 psi
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Volume:
1 ft3 (liquid) = 7.48 gallons
1 barrel = 42 gallons
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Weight:
1 kilogram = 1000 grams = 2.205 lbs
1 pound = 7000 grains
1 pound = 0.454 kilograms = 454 grams
1 ton = 2000 pounds
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Other:
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Density of water = 8.337 lb/gal
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