Weight from Volume and Density

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This Weight from Volume and Density calculator computes the weight (W) based on the density (ρ) and volume (V).

INSTRUCTIONS: Choose your preferred units and enter the following:

(ρ) mean density of the object
(V) volume of the object

Weight(W): The calculator returns the weight (W) in pounds. However, this can be automatically converted to other mass or weight units via the pull-down menu.

The Math / Science

The formula for mass or weight from volume and density is:

W = V ⋅ ρ

where:

W = weight
V = volume
ρ = density

Mean Density Table

Common Mean Densities in Kilograms per Meter Cubed (kg/m³)

Fluids

Pure Water - 1,000
Seawater - 1,022
Milk - 1,037
Olive Oil - 860
Cement Slurry - 1,442

Fuels

Diesel Fuel - 885
Crude Oil - 870 to 920
Fuel Oil - 890
Ethanol - 789
Gasoline (petrol) - 737
Propane - 493
Liquid Natural Gas - 430 to 470

Market-Ready Grains

Corn - 721 (56 lb/bu)
Wheat - 772 (60 lb/bu)
Barley - 618 (48 lb/bu)
Oats - 412 (32 lb/bu)
Rye - 721 (56 lb/bu)
Soybean - 772 (60 lb/bu)

Metals

Earthen

Concrete - 2,371
Dirt - 1,250
Fire Clay - 1,362
Glass - 2,500
Granite - 2,691
Sand (dry) - 1,602
Sand (wet) - 2,082
Sandstone - 2,323

Synthetic

Bakelite - 1,362
Carbon Fiber - 2,000

Organic

Balsa - 170
Cork - 240
Mahogany - 545
Oak - 760
Pine - 539
Rubber - 1,522

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:

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)

If you want to identify a material by its density, use the Density Within Range tool.