Spike's Calculators

Calculate the volume, capacity, and surface area of a barrel. This calculator uses millimetress for measurements.

The barrel's volume is calculated from inside measurements, and you must deduct the rims from your height measurement. The same applies to the surface area. Calculating the amount of wood in contact with the liquid inside the barrel, you must subtract the rim(s) from the height measurement.

one litre of water = 1 kilogram one litre of diesel fuel = 0.832 kilogram one litre of gas = 0.75 kilogram

- the barrels' top diameter in millimetres
- the mid diameter in millimetres
- the height of the barrel (without the rims) in millimetres
- the weight of the liquid in kilograms per litre

- the volume of the barrel in cubic millimetres
- the volume in cubic metres
- the volume in cubic inches
- the volume in cubic feet
- the capacity of the barrel in millilitres
- the capacity in litres
- the capacity in US gallons
- the capacity in Imperial gallons
- full tank liquid weight based on kilograms/L
- the surface area of the barrel in square millimetres
- surface area in square metres
- surface area in square inches
- surface area in square feet

V= ΠH/15(3T²+8M²+4TM) where V is the volume of the cone Π = 3.14159265 T the top diameter divided by 2 M the mid diameter divided by 2 H the height of the barrel

one cubic millimetre (mm³) = 0.000000001 cubic metres (m³) one cubic millimetre (mm³) = 0.0000000353146667214886 cubic feet (ft³) one cubic millimetre (mm³) = 0.0000610237440947323 cubic inches (in³) one cubic millimetre (mm³) = 0.001 millilitres (ml) one cubic millimetre (mm³) = 0.000001 litres (L) one cubic millimetre (mm³) = 0.000000264172052358148 gallons (gal) US one cubic millimetre (mm³) = 0.000000219969248299088 gallons (gal) Imperial one square millimetre (mm²) = 0.000001 square metres (m²) one square millimetre (mm²) = 0.0015500031000062 square inches (in²) one square millimetre (mm²) = 0.0000107639104167097 square feet (ft²)