The Mass or Weight of a Paraboloid calculator the weight or mass of a paraboloid of revolution around an axis of length (a) of a width of (b) with a mean density (mD). A Paraboloid
INSTRUCTIONS: Choose your preferred units and enter the following:
Mass of the Paraboloid (M): The calculator returns the mass of the paraboloid in kilograms. However, this can be automatically converted to other mass and weight units via the pulldown menu.
This formula computes the volume of the geometric shape based on the input parameters. With the computed volume, this formula then executes the simple equation below to compute the approximate mass of the object.
The mean density (mD, μD or ρ) of many common substances, elements, liquids and materials can be found by clicking HERE (e.g. the μD_{(water)} is 1000.0 kg/m³).
Common Mean Densities in Kilograms per Meter Cubed (kg/m^{3})  
Fluids
Fuels
MarketReady Grains 
Metals

Earthen
Synthetic
Organic

Mean Density Lookup Function 
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:
If you want to identify a material by its density, use the Density Within Range tool.
Weight is technically the downward force that a mass exerts based on the force of gravity and the mass of the object. On the surface of the Earth, mass and weight are often interchanged. In some places, objects are sold by the gram (mass), and in other locations, the same objects are sold by the ounce (weight).
The Weight Calculators use the dimensions of an object and its shape to compute the objects volume. They then apply a density associated with a material to estimate the objects weight.