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Conversion chart

To convert...	In...	Multiply by...
Atmospheres	Feet of water	33.9
Atmospheres	Inches of mercury (Hg)	29.92
Atmospheres	PSI (pounds/square inch)	14.7
BTU	Foot -pounds	778.3
BTU/hour	Watts	0.2931
BTU/minute	Horsepower	0.02356
Celsius	Fahrenheit	0C x 1.8 +32
Centimetres	Inches	0.3937
Cubic centimetres	Gallons US	0.0002642
Cubic centimetres	Liters	0.001
Cubic feet	Cubic inches	0.728
Cubic feet	Gallons US	7.48052
Cubic inches	Cubic feet	0.0005787
Cubic inches	Gallons US	0.004329
Days	Seconds	86,400
Degrees (angle)	Radians	0.01745
Feet	Metres	0.3048
Feet	Milles	0.0001894
Feet of water	Atmospheres	0.0295
Feet of water	Inches of mercury (Hg.)	0.8826
Feet of water	PSI (pounds/square inch)	0.4335
Feet/minute	Miles/hour	0.01136
Feet/second	Miles/hour	0.6818
Foot-pounds	BTU	0.001286
Foot-pounds/minute	Horsepower	0.0000303
Foot-pounds/second	Horsepower	0.001818
Gallons US	Cubic inches	231
Gallons US	Cubic feet	0.1337
Horsepower	BTU/minute	42.44
Horsepower	Foot-pounds/minute	33,000
Horsepower	Foot-pounds/second	550
Horsepower	Watts	745.7
Hours	Days	0.04167
Hours	Weeks	0.005952
Inches	Centimetres	2.54
Inches of mercury (Hg)	Atmospheres	0.03342
Inches of mercury (Hg)	Feet of water	1.133
Inches of mercury (Hg)	PSI (pounds/square inch)	0.4912
Inches of water	PSI (pounds/square inch)	0.03613
Litres	Cubic centimetres	1,000
Litres	Gallons US	0.2642
Micron	Inches	0.00004
Miles (code)	Feet	5,280
Miles/hour (mph)	Feet/minute	0.88
Miles/hour (mph)	Feet/second	1.467
Ounces (liquid)	Cubic inches	1.805
Ounces (weight)	Pounds	0.00625
Pints (liquid)	Quarts (liquid)	0.5
Pounds	Grams	7.000
Pounds	Grams	453.5924
Pounds	Ounces	16
PSI (pounds/square inch)	Atmospheres	0.06804
PSI (pounds/square inch)	Feet of water	2.307
PSI (pounds/square inch)	Inches of mercury	2.036
PSI (pounds/square inch)	Kilopascals (kPa)	6.894757
Quarts	Gallons	0.25
Square feet	Square inches	144
Temperature (OF) -32	Temperature (OC)	0.5555
Tonnes (US)	Pounds	2,000
Water gallons	Pounds of water	8.3453
Watts	Horsepower	0.001341