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Concrete
| Cross - References: | Shapes: |
| Specific Weight | Circle |
| 1 pound water = 27.7 cubic inches = 0.1198 gallons | Area = Square of Diameter x .7854 or |
| 1 cubic foot water = 62.43 pounds | Radius x 3.1416 |
| 1 gallon water = 8.345 pounds | |
| Circumference = Diameter x 3.1416 | |
| Length | |
| 1 inch = 2.54 centimeters | Diameter = Circumference ÷ 3.1416 |
| 1 centimeter = 0.39 inches | |
| 1 foot = .0305 meter | Area of Circular Ring = .7854 x (Outside Diameter Squared minus Inside Diameter Squared) |
| 1 meter = 3.28 feet | |
| 1 mile = 1.61 kilometers | Doubling diameter increases area four (4) times |
| 1 kilometer = .62 miles | Tripling diameter increases area nine (9) times |
| Inches to centimeters - multiply by 2.54 | Square/Rectangle |
| Centimeters to inches - multiply by .039 | Area = Length x Width |
| Feet to meters - multiply by 0.305 | Diagonal = Square Root of width squared + length squared |
| Meters to feet - multiply by 3.28 | |
| Volume | Side (square only) = Diagonal x .7071 |
| 1 fluid ounce = 29.57 milliliters | |
| 10 milliliters = 0.34 fluid oz | Triangle |
| 1 quart = 9.46.35 milliliters | Area = Base x 1/2 of perpendicular height |
| 1 liter = 1.06 US quarts | |
| 1 gallon = 3.79 | Cube |
| Area of surface = Square of side x 6 | |
| Ounces to milliliters - multiply by 29.57 | |
| Milliliters to ounces - multiply by 0.034 | Volume = Cube of side |
| Quarts to liters - multiply by .095 | Diagonal = Side x 1.732 |
| Liters to quarts - multiply by 1.06 | |
| Cylinder | |
| 1 cubic inch = 16.39 cubic centimeters | Area 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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