01 Jan 2018

Engineering Conversion Factors

Length

Multiply:
By:
Result:
Centimeters 0.3937 Inches
Meters 39.37 Inches
Meters 3.281 Feet
Meters 1.094 Yards
Kilometers 3.281 Feet
Kilometers 0.6214 Miles
Inches 2.540 Centimeters
Feet 30.48 Centimeters
Feet 0.3048 Meters
Yards 0.9144 Meters
Miles 1.609 Kilometers
Miles 5 280 Feet
Fathoms 6 Feet
Rods 16.5 Feet
Knots 1.152 Miles
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Angle

Multiply:
By:
Result:
Radians 57.30 Degrees
Degrees [angle] 0.01745 Radians
Minute 0.016 67 Degrees
Minute 2.9 x 10-4 Radians
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Area

Multiply:
By:
Result:
Square Centimeters 0.155 Square Inches
Square meters 1.196 Square Yards
Square meters 10.76 Square Feet
Square Kilometers 247.1 Acres
Square Kilometers 0.3861 Square Miles
Acres 43560 Square Feet
Acres 1.562 x 10-3 Square Miles
Acres 4047 Square Meters
Acres 0.004047 Square Kilometers
Square Inches 6.452 Square Centimeters
Square Feet 0.0929 Square Meters
Square Yards 0.8361 Square Meters
Square Miles 2.590 Square Kilometers
Square Miles 640 Acres
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Weight

Multiply:
By:
Result:
Grams 0.03527 Ounces
Kilograms 2.205 Pounds
Tonne (metric) 2 205 Pounds
Tonne (short, USA) 2000 Pounds
Tonne (short, USA) 907.2 Kilograms
Tonne 1.102 Short Ton, USA
Tonne 0.9842 Long Ton, UK
Ounces 28.35 Grams
Pounds 0.4536 Kilograms
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Volume

Multiply:
By:
Result:
Cubic meters 35.31 Cubic feet
Cubic meters 1.308 Cubic yards
Cubic Centimeters 6.102 x 10-6 Cubic Inches
Millilitre 1 Cubic Centimeter
Litres 0.03531 Cubic Feet
Litres 61.02 Cubic Inches
Litre 1000 Cubic Centimeters
Litres 0.2642 Gallons, US
Litres 0.2120 Gallons, UK
Cubic Inches 16.39 Cubic centimeters
Cubic Feet 0.0283 Cubic Meters
Cubic Feet 7.481 Gallons
Cubic Feet 28.32 Litres
Cubic Yards 0.7646 Cubic Meters
Gallon, US 3.785 Litres
Gallon, UK 4.546 Litres
Gallon, UK 0.1605 Cubic Feet
Gallon, US 0.1337 Cubic Feet
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Power

Multiply:
By:
Result:
Kilowatts 56.87 Btu per min
Kilowatts 737.6 Foot-pounds per second
Kilowatts 1.341 Horsepower
Btu  per minute 2.359 x 10-2 Horsepower
Btu per hour 2.931 x 10-2 Kilowatts
Btu. per minute 1.759 x 10-2 Kilowatts
Horsepower 42.41 Btu per min
Horsepower 2544 Btu per hour
Horsepower 550 Foot-pounds per sec
Horsepower 33000 Foot-pounds per min
Horsepower 10.70 Kg calories per min
Horsepower 0.7457 Kilowatts
Watts 14.34 Calories per min
Watts 0.05686 Btu per minute
Watts 1.341 x 10-3 Horsepower
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Pressure

Multiply:
By:
Result:
Inches of mercury 1.133 Feet of water
Pounds per square inch 2.307 Feet of Water
Pounds per square inch 2.036 Inches of Mercury
Pounds per square inch 5.1715 Centimeters of Mercury
Pounds per square inch 70.307 Centimeters of Water
Bar 75.006 Centimeters of Mercury
Bar 1019.7 Centimeters of Water
Atmospheres 76.0 Cm of mercury
Atmospheres 29.92 Inches of mercury
Atmospheres 33.90 Feet of Water
Atmospheres 14.70 Pounds per sq in.
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Energy

Multiply:
By:
Result:
Joules 9.478 x 10-4 British thermal units
Joules 0.2388 Calories
Joules 2.778 x 10-7 Kilowatt-hours
Joules 0.1020 Kilogram-meters
Joules 1 Watt-seconds
Joules 0.7376 Foot-pounds
Joules 107 Ergs
Kilowatt-hours 3.415 British Thermal units
British thermal units 252.0 Calories
British thermal units 2.931 x 10-4 Kilowatt-hours
British thermal units 1055 Watt-seconds
British thermal units 778.2 Foot-Pounds
Foot-pounds 1.356 Joules
Foot-pounds 0.1383 Kilogram-meters
Foot-pounds 3.766 x 10-7 Kiowatt-hours
Ergs 10-7 Joules
Ergs 7.37 x 10-6 Foot-pounds
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Force

Multiply:
By:
Result:
Newtons, on Earth 0.102 Kilograms
Pound-feet 0.1383 Meter-kilograms
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Electricity

Multiply:
By:
Result:
Amperes per sq cm 6.452 Amperes per sq in.
Amperes per sq in. 0.1550 Amperes per sq cm.
Ampere-Turns 1.257 Gilberts
Ampere-Turns per cm 2.540 Ampere-Turns per in.
Ampere-Turns per in. 0.3937 Ampere-Turns per cm.
Gausses 6.452 Lines per square in.
Gilberts 0.7958 Ampere-turns
Maxwells 10-3 Kilolines
Megalines 106 Maxwells
Kilolines 103 Maxwells
Webers 108 Maxwells
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