Pool Volume Calculator
Calculate your pool volume in gallons. Essential for accurate chemical dosing.
For educational purposes only. Always test your water and consult product labels before adding chemicals. See our Terms of Service.
My Pool Settings
Climate & Cover
Typical Chemistry
Pre-fill calculators with your usual levels (optional)
30-50 chlorine, 70-80 SWG
60-80 recommended
250-350 recommended
Equipment
Select your equipment to personalize checklists
VOLUME CALC
Pool Dimensions
Your Pool Volume
Volume
-- gallons
Also equals
-- liters
Surface Area
-- sq ft
Tip: Save this number! You'll need your pool volume for every chemical calculation.
Most pool chemicals are dosed per 10,000 gallons.
Common Pool Sizes
| Pool Size | Approx. Gallons |
|---|---|
| 12' Round x 48" | 3,400 |
| 15' Round x 48" | 5,300 |
| 18' Round x 48" | 7,600 |
| 24' Round x 52" | 13,500 |
| 12' x 24' Oval x 48" | 6,800 |
| 15' x 30' Oval x 52" | 13,500 |
| 16' x 32' Rectangle (avg 5') | 19,200 |
| 20' x 40' Rectangle (avg 5.5') | 33,000 |