Concrete

Cross - References:Shapes:
Specific WeightCircle
1 pound water = 27.7 cubic inches = 0.1198 gallonsArea = Square of Diameter x .7854 or
1 cubic foot water = 62.43 poundsRadius x 3.1416
1 gallon water = 8.345 pounds
Circumference = Diameter x 3.1416
Length
1 inch = 2.54 centimetersDiameter = Circumference ÷ 3.1416
1 centimeter = 0.39 inches
1 foot = .0305 meterArea of Circular Ring = .7854 x (Outside Diameter Squared minus Inside Diameter Squared)
1 meter = 3.28 feet
1 mile = 1.61 kilometersDoubling diameter increases area four (4) times
1 kilometer = .62 milesTripling diameter increases area nine (9) times
Inches to centimeters - multiply by 2.54Square/Rectangle
Centimeters to inches - multiply by .039Area = Length x Width
Feet to meters - multiply by 0.305Diagonal = Square Root of width squared + length squared
Meters to feet - multiply by 3.28
VolumeSide (square only) = Diagonal x .7071
1 fluid ounce = 29.57 milliliters
10 milliliters = 0.34 fluid ozTriangle
1 quart = 9.46.35 millilitersArea = Base x 1/2 of perpendicular height
1 liter = 1.06 US quarts
1 gallon = 3.79Cube
Area of surface = Square of side x 6
Ounces to milliliters - multiply by 29.57
Milliliters to ounces - multiply by 0.034Volume = Cube of side
Quarts to liters - multiply by .095Diagonal = Side x 1.732
Liters to quarts - multiply by 1.06
Cylinder
1 cubic inch = 16.39 cubic centimetersArea of Curved Surface = Diameter x Length x 3.1416
1 cubic foot = 1728 cubic inches = 7.48 gallons
1 cubic yard = 27 cubic feet = 0.7646 cubic meters
Volume = Square of Diameter x .7854 x length
Cone
Area of Curved Surface = Diameter of Base x Slant Height x 1.5708
Volume = Diameter of Base Squared x Perpendicular Height x .2618 or Area of Base x 1/3 Perpendicular Height

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