Spike's Calculators

Horizontal Oval Flat Tank Volume and Surface Area - Metres

Horizontal Oval Tank

Calculate the volume and capacity of a flat horizontal oval tank or container. The oval tank used here has a rectangular shape with two semi-sphere ends. This calculator uses metres for measurements.

Approximate weight of Fuel or Water
one litre of water = 1 kilogram
one litre of diesel fuel = 0.832 kilogram
one litre of gas = 0.75 kilogram

Note: The width measurement has to be larger than the height measurement!

Horizontal Oval Tank - Metres

Height of Tank m
Tank Width m
The Length of the Tank m
Liquid Weight-Kilograms per Litre kg/L


Tank Volume
In Cubic Metres
In Cubic Centimetres cm³
In Cubic Inches in³
In Cubic Feet ft³
Tank Capacity
In Litres L
In Hectolitres hl
In US Gallons gal US
In Imperial Gallons gal Imperial
Liquid Weight and Surface Area
Weight of Liquid lbs
Surface Area in Square Metres
Surface Area in Square Centimetres cm²
Surface Area in Square Inches in²
Surface Area in Square Feet ft²


  1. enter the height of the flat horizontal oval tank in metres
  2. the width of the tank in metres
  3. the length of the tank in metres
  4. the weight of the liquid in kilograms per litre


  1. the volume of the tank in cubic metres
  2. the volume in cubic centimetres
  3. the volume in cubic inches
  4. the volume in cubic feet
  5. the capacity of the tank in litres
  6. the capacity in hectolitres
  7. the capacity in US gallons
  8. the capacity in Imperial gallons
  9. full tank liquid weight based on kilograms/L
  10. the surface area of the tank in square metres
  11. the surface area in square centimetres
  12. the surface area in square inches
  13. the surface area in square feet

V  = (𝝅 R² + 2RS)L
where V is the volume
𝝅 = 3.14159265
R half the height of the tank
S  the width minus height
L the length
one cubic metre (m³) = 35.3146667214886 cubic feet (ft³)
one cubic metre (m³) = 1000 litres (L)
one cubic metre (m³) =  264.172052358148 gallons (gal) US
one cubic metre (m³) =  219.969248299088 gallons (gal) Imperial

Oval-Horizontal Tank (Laying Flat)

Oval Horizontal

Partial Filled

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