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Conversion Factors — 3

MULTIPLY	BY	TO OBTAIN
VELOCITY
Feet per minute	0.01136	Miles per hour
	0.01829	Kilometers per hour
	0.5080	Centimeters per second
	0.01667	Feet per second
Feet per second	0.6818	Miles per hour
	1.097	Kilometers per hour
	30.48	Centimeters per second
	0.3048	Meters per second
	0.5921	Knots
Knots	1.0	Nautical miles per hour
	1.6889	Feet per second
	1.1515	Miles per hour
	1.8532	Kilometers per hour
	0.5148	Meters per second
Meters per second	3.281	Feet per second
	2.237	Miles per hour
	3.600	Kilometers per hour
Miles per hour	1.467	Feet per second
	0.4470	Meters per second
	1.609	Kilometers per hour
	0.8684	Knots
AREA
Square millimeters	0.00155	Square inches
	1 x 10-6	Square meters
	0.01	Square centimeters
	1.2732	Circular millimeters
Square centimeters	1.1960 x 10-4	Square yards
	0.00108	Square feet
	0.15500	Square inches
	1 x 10-4	Square meters
	100	Square millimeters
Square kilometers	0.38610	Square miles (U.S.)
	1.1960 x 106	Square yards
	1.0764 x 107	Square feet
	1 x 106	Square meters
	247.10	Acres (U.S.)
Square inches (U.S.)	0.00694	Square feet
	0.00077	Square yards
	6.4516 x 10-4	Square meters
	6.4516	Square centimeters
Square feet (U.S.)	3.5870 x 10-8	Square miles
	0.11111	Square yards
	144	Square inches
	0.09290	Square meters
	929.03	Square centimeters
	2.2957 x 10-5	Acres
Square miles	640	Acres
	3.0967 x 106	Square yards
	2.7878 x 107	Square feet
	2.5900	Square kilometers
	2.5900 x 108	Square meters
LENGTH
Angstrom units	1 x 10-10	Meters
	3.9370 x 10-9	Inches
	1 x 10-4	Microns
	1 x 10-8	Centimeters
	0.1	Millimicrons
Millimicrons	1 x 10-9	Meters
	1 x 10-7	Centimeters
	10	Angstrom units
Microns (um)	3.9370 x 10-5	Inches
	1 x 10-6	Meters
	1 x 10-4	Centimeters
	1 x 104	Angstrom units
Millimeters	0.03937	Inches (U.S.)
	1000	Microns
Centimeters	0.39370	Inches (U.S.)
	1 x 104	Microns (um)
	1 x 107	Millimicrons
	1 x 108	Angstrom units
Meters	6.2137 x 10-4	Miles (statute)
	1.0936	Yards (U.S.)
	39.370	Inches (U.S.)
	1 x 109	Millimicrons
Kilometers	0.53961	Miles (nautical)
	0.62137	Miles (statute)
	1093.6	Yards
	2280.8	Feet
Inches (U.S.)	0.02778	Yards
	2.5400	Centimeters
	2.5400 x 108	Angstrom units
Feet (U.S.)	0.30480	Meters
	30.480	Centimeters
Yards (U.S.)	5.6818 x 10-4	Miles
	0.91440	Meters
	91.440	Centimeters
Miles (nautical)	1.1516	Statute miles
	2026.8	Yards
	1.8533	Kilometers
Miles (U.S. statute)	320	Rods
	0.86836	Nautical miles
	1.6094	Kilometers
	1609.4	Meters
THERMAL CONDUCTIVITY
BTU/(hr.)(ft.2)	0.00413	cal/sec. (cm.2(°C/cm.))
(°F/ft.)	12	BTU/(hr.)(ft.2)(°F/in.)
	0.0173	Watts/(cm.2)(°C/cm.)

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