CONVERSIONS

Some of the commonly used conversions.

Pressure, Force, Weight, Volume, Density, Specific Gravity, Length, Concentration, Flow rate, Capacity are commonly used and should be memorized.

Area

Square inches x 6.45 = Square centimeters

Square inches x 645 = Square millimeters

Square centimeters x 0.155 = Square inches

Square millimeters x 0.00155 = Square inches

Circulation Rate

Barrels/min x 42 = Gallons/min

Cubic feet/min x 0.000472 = Cubic meters/sec

Cubic feet/min x 7.48 = Gallons/min

Cubic feel/mm x 28.32 = Liters/min

Cubic meters/sec x 15850 = Gallons/min

Cubic meters/sec x 2118 = Cubic feet/min

Cubic meters/sec x 60000 = Litres/min

Gallons/min x 0.0238 = Barrels/ruin

Gallons/min x 0.134 = Cubic feet/min

Gallons/min x 3.79 = Litres/min

Gallons/min x 0.00006309 = Cubic meters/sec

Litres/min x 0.00001667 = Cubic meters/sec

Litres/min x 0.0353 = Cubic feet/min

Litres/min x 0.264 = Gallons/min

Impact Force

Pounds x 0.0000445 = Dynes

Pounds x 0.454 = Kilograms

Pounds x 4.448 = Newtons

Dynes x0.00000225 = Pounds

Kilograms x 2.2 = Pounds

Newtons x 0.2248 = Pounds

Pressure

Atmospheres x 14.696 = Pounds/sq inch

Atmospheres x 1.033 = Kilograms/sq cm

Atmospheres x 101300 = Pascals

Kilograms/sq cm x 0.9678 = Atmospheres

Kilograms/sq cm x 14.223 = Pounds/sq inch

Kilograms/sq cm x 0.9678 = Atmospheres

Pounds/sq inch x 0.068 = Atmospheres

Pounds/sq inch x 0.0703 = Kilograms/sq cm

Pounds/sq inch x 0.006894 = Pascals

Velocity

Feet/sec x 0.305 = Meters/sec

Feet/mm x 0.00508 = Meters/sec

Meters/sec x 196.8 = Feet/mm

Meters/sec x 3.28 = Feet/sec

Volume

Barrels x 42 = Gallons

Cubic centimeters x 0.00003531 = Cubic feet

Cubic centimeters x 0.06102 = Cubic inches

Cubic centimeters x 0.000001 = Cubic meters

Cubic centimeters x 0.000264 = Gallons

Cubic centimeters x 0.001 = Litters

Cubic feet x 28320 = Cubic centimeters

Cubic feet x 1728 = Cubic inches

Cubic feet x 0.02832 = Cubic meters

Cubic feet x 7.48 = Gallons

Cubic feet x 28.32 = Litters

Cubic inches x 16.39 = Cubic centimeters

Cubic inches x 0.0005787 = Cubic feet

Cubic inches x 0.00001639 = Cubic meters

Cubic inches x 0.004329 = Gallons

Cubic inches x 0.01639 = Liters

Cubic meters x 1000000 = Cubic centimeters

Cubic meters x 35.31 = Cubic feet

Cubic meters x 264.2 = Gallons

Gallons x 0.0238 = Barrels

Gallons x 3785 = Cubic centimeters

Gallons x 0.1337 = Cubic feet

Gallons x 231 = Cubic inches

Gallons x 0.003785 = Cubic meters

Gallons x 3.785 = Liters

Weight

Pounds x 0.0004535 = Tons (metric)

Tons (metric) x 2205 = Pounds

Tons (metric) x 1000 = Kilograms

Length

Feet x 0.305 = Meters

Inches x 25.4 = Millimeters

Inches x 2.54 = Centimeters

Centimeters x 0.394 = Inches

Millimeters x 0.03937 = Inches

Meters x 3.281 = Feet

Mud Weight

Pounds/gallon x 7.48 = Pounds/cu ft

Pounds/gallon x 0.12 = Specific gravity

Pounds/gallon x 0.1198 = Grams/cu cm

Grams/cu cm x 8.347 = Pounds/gallon

Pounds/cu ft x 0.134 = Pounds/gallon

Specific gravity x 8.34 = Pounds/gallon

Power

Horsepower x 1.014 = Horsepower (metric)

Horsepower x 0.746 = Kilowatts

Horsepower x 550 = Foot-pounds/sec

Horsepower (metric) x 0.986 = Horsepower

Horsepower (metric) x 542.5 = Foot-pounds/sec

Kilowatts x 1.341 = Horsepower

Foot pounds/sec x 0.00181 = Horsepower