The Mass or Weight of a Pyramid calculator computes the mass or weight of a regular pyramid based on the dimensions of the polygon base, the height and the density of material.
INSTRUCTIONS: Choose units and enter the following:
- (n) Number of Sides on the Polygon Base
- (b) Length of Sides
- (h) Height of Pyramid
- (mD) Density of Material
Pyramid Mass or Weight (m): The calculator returns the mass in kilograms. However, this can be automatically converted to compatible units via the pull-down menu.
The Math / Science
This Weight of Pyramid formula computes the weight or mass of a right pyramid of a base area, a height (h) and a (mD) mean density. The base area (A) is defined by a polygon of (n) sides each of length (b).
The formula for the mass of a regular pyramid is:
`m = mD * 1/3 * h * (1/4 * b^2 * cos(pi/n)/sin(pi/n))`
where:
- m = mass of the pyramid
- mD = density of material
- h = height of pyramid
- b = length of sides of base
- n = number of sides
Mean Density Units
Common Mean Densities |
Fluids
- Pure Water - 1,000 kg/m³
- Seawater - 1,022 kg/m³
- Milk - 1,037 kg/m³
- Olive Oil - 860 kg/m³
- Cement Slurry - 1,442 kg/m³
Fuels
- Diesel Fuel - 885 kg/m³
- Crude Oil - 870 kg/m³ to 920 kg/m³
- Fuel Oil - 890 kg/m³
- Ethanol - 789 kg/m³
- Gasoline (petrol) - 737 kg/m³
- Propane - 493 kg/m3
- Liquid Natural Gas - 430 to 470 kg/m3
Market-Ready Grains
- Corn - 56 lb/bu (721 kg/m3)
- Wheat - 60 lb/bu (772 kg/m3)
- Barley - 48 lb/bu (618 kg/m3)
- Oats - 32 lb/bu (412 kg/m3)
- Rye - 56 lb/bu (721 kg/m3)
- Soybean - 60 lb/bu (772 kg/m3)
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Metals
- Density of Aluminum - 2,700 kg/m3
- Density of Brass - 8,530 kg/m3
- Density of Bronze - 8,150 kg/m3
- Density of Chromium - 7190 kg/m3
- Density of Cobalt - 8746 kg/m3
- Density of Copper - 8,920 kg/m3
- Density of Gallium - 5907 kg/m3
- Density of Gold - 19,300 kg/m3
- Density of Iron - 7,847 kg/m3
- Density of Lead - 11,340 kg/m3
- Density of Nickle - 8,908 kg/m3
- Density of Palladium - 12,023 kg/m3
- Density of Platinum - 21,450 kg/m3
- Density of Steel - 7,850 kg/m3
- Density of Silver - 10,490 kg/m3
- Density of Titanium - 4,500 kg/m3
- Density of Tungsten - 19,600 kg/m3
- Density of Uranium - 19,050 kg/m3
- Density of Zinc - 7,135 kg/m3
- Density of Zirconium - 6,570 kg/m³
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Mean density is scientifically volume divided by mass. There are various unit for density adopted by cultures and industries. Common units for density included the following:
- kilograms per cubic meter (kg/m3)
- grams per cubic centimeter (g/cm3)
- grams per liter (g/L)
- pounds per cubic feet (lb/ft3)
- ounces per cubic inch (oz/in3)
- pounds per barrel (lb/bbl)
- pounds per bushel (lb/bu)
vCalc provides for automatic conversions between density units via the pull-down menus.