Pool Volume Calculator
Calculate your pool volume in gallons or liters. Select your pool shape and enter dimensions.
All Pool Calculators
Free tools for pool volume, chemicals, heater sizing, and more.
Pool Volume Calculator
Calculate pool volume in gallons for any shape — rectangle, round, oval, kidney, or L-shaped.
Pool Chemical Calculator
Calculate exact chemical amounts based on your pool volume and water test results.
Pool Heater Size Calculator
Find the right BTU heater for your pool. Compare gas, heat pump, and solar options.
Pool Pump Size Calculator
Calculate required GPM flow rate and pump horsepower for your pool.
Pool Salt Calculator
Calculate how much salt to add to your saltwater pool.
Pool Filter Size Calculator
Determine the right filter size for sand, cartridge, or DE filters.
Pool Cost Calculator
Estimate monthly and annual pool operating costs.
Pool Water Fill Calculator
Calculate how long it takes to fill your pool and estimated water cost.
Above Ground Pool Volume Calculator
Quick volume calculator for common above-ground pool sizes.
Pool Gallons by Shape Chart
Interactive reference chart showing gallons for common pool dimensions.
Why Pool Volume Matters
Chemical Dosing
Knowing your pool volume is essential for adding the correct amount of chlorine, pH adjusters, and other chemicals.
Equipment Sizing
Pool pumps, filters, and heaters are sized based on volume. The wrong size wastes energy or underperforms.
Cost Estimation
Water bills, chemical costs, and heating costs all depend on how many gallons your pool holds.
Disclaimer: Pool volume calculations provide estimates based on the dimensions you enter. Actual volume may vary due to pool construction, slopes, and features. Always follow chemical manufacturer dosing instructions.