Spike's Calculators

Pools & Ponds

Kidney Shaped Pool Volume Calculator

Calculate the volume of a Kidney shaped pool in US and Imperial gallons. Includes results for the pool surface square footage and a reasonable close perimeter measurement. The calculator uses imperial measurements for the calculations.


This calculator calculates the total area within the red line. Sometimes there will be a small section (like the grey area in the bottom of the image) that needs to be subtracted. And at times there will be a small section that falls outside the calculated area that needs to be included. Usually these areas are in the shape of a circle segment. There are two options for including or excluding these areas in the calculator done by selecting the required radio button. If you don't need the option leave the button at none.

Article on How To calculate the Volume of a Kidney Shaped Pool

Kidney Shaped Pool Volume Calculator

Kidney Shaped Pool

Pool Length - Length A ft
Diameter B ft
Diameter C ft
Average Pool Depth ft
Segment One Chord Length ft
Segment One Height of Arc ft
Segment One None
Segment Two Chord Length ft
Segment Two Height of Arc ft
Segment Two None


Pool Surface Square Footage ft²
Perimeter of Pool lin ft
Pool Volume in Cubic Feet ft³
Pool Volume US Gallons gal
Pool Volume Imperial Gallons gal
Pool Volume Litres L


  1. enter length A (feet)
  2. enter diameter B (feet)
  3. enter diameter C (feet)
  4. average depth of pool (feet)
  5. segment one (if you don't need it leave it at none)
  6. segment one chord length
  7. segment one height
  8. segment two (if you don't need it leave it at none)
  9. segment two chord length
  10. segment two height


  1. area of pool in square feet
  2. the perimeter of the pool (lineal feet. approximate)
  3. volume of pool in cubic feet
  4. volume in US gallons
  5. volume in Imperial gallons
  6. pool volume in litres
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