# Mass of Shapes and Containers

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The Mass of Shapes and Containers calculator contains the mass / weight equations for a variety of geometric shapes and provides the mean density for a large number of substances.   spheres

# Description

The Mass of Shapes and Containers equations in this calculator let the user:

1. Choose a geometeric shape or container type,
2. enter the dimensions of the object, and
3. enter a mean density to calculate the object's approximate mass.  Assuming nominal Earth gravity, the mass can be converted to nominal Earth surface weight (e.g. pounds from kilograms).

vCalc provides a lookup function that contains the mean density in kilograms per cubic meter of hundreds of substances from farm commodities (e.g. grains, woods, etc) to quary items (types of stone and sand) to commonly transported liquids (e.g. water, diesel).

The basic formula for all of the equations is this:

 "mass" = mu"Density" * "volume"

## Geometric Shapes or Containers

The mass equations in this calculator are based on three dimensional (3D) shapes and equations to calculate their volume.  The geometric shapes included in this calculator are:

• Cube, Box, Cone, Cone (frustum), Cylinder, Slanted Cylinder,
• Ellipsoid, Capsule, Bottle, Paraboloid, Pyramid, Pyramid Frustum,
• Sphere, Sphere Cap, Sphere Segment, Prism, Torus, Chamfer   various frustums

## Mean Density

This calculator  also includes a function that provides the mean densities for some common substances.  Use these functions to provide the mean density of a substance.  The user can copy the answer and enter it into the volume calculations to determine the approximate mass or weight.  Common substances have buttons with their weight including the following:

• air - benzene - water
• dirt - ethanol - ice
• concrete - glycerine - blood
• lead - aluminum - mercury
• brass - copper - steel
• gold - silver - iron

vCalc also provides a look-up function for many more mean densities.  Using the meadDensity Lookup, the user can choose any of the following substances and vCalc will return the mean density: