Swimming Pool Calculators
Free professional-grade calculators for pool owners and builders. Save time and money with precise calculations for volume, chemicals, heating, and maintenance.
Popular Pool Calculators
Featured Calculator
Pool Volume Calculator
Our most comprehensive pool volume calculator supports rectangular, circular, oval, and kidney-shaped pools with variable depths.
- Supports all common pool shapes
- Calculates in gallons and liters
- Accounts for variable depths
- Essential for proper chemical dosing
Why Use Our Pool Calculators?
Precision & Accuracy
Our calculators use professional-grade formulas to ensure precise measurements for your pool maintenance needs.
Save Money
Avoid wasting chemicals and energy with exact calculations that prevent over-treatment and reduce costs.
Expert Guidance
Each calculator includes expert tips and recommendations to help you maintain a perfect pool.
Essential Pool Maintenance Guide
Weekly Maintenance Checklist
- Test water chemistry
Check pH (7.2-7.8), chlorine (1-3 ppm), and alkalinity (80-120 ppm)
- Skim surface debris
Remove leaves, insects, and floating debris
- Brush walls and floor
Prevent algae buildup by brushing surfaces weekly
- Vacuum pool floor
Remove settled debris and prevent staining
- Clean skimmer baskets
Empty and rinse to maintain proper water flow
Monthly Maintenance Tasks
- Check calcium hardness
Maintain between 200-400 ppm to prevent scaling or corrosion
- Clean pool filter
Backwash sand/DE filters or rinse cartridge filters
- Shock treatment
Use our Chemical Calculator to determine the right amount
- Check equipment
Inspect pump, heater, and automation systems for issues
Frequently Asked Questions
How do I calculate my pool's volume?
To calculate your pool's volume:
- Measure the length, width, and average depth for rectangular pools
- For round pools, measure the diameter and depth
- Multiply these dimensions to find the volume in cubic feet
- Convert to gallons by multiplying by 7.48
Our Pool Volume Calculator handles all these calculations automatically for any pool shape.
How much chlorine should I add to my pool?
The amount of chlorine needed depends on your pool's volume and current chlorine level. For a 10,000-gallon pool, raising the chlorine level by 1 ppm typically requires:
- About 2 ounces of liquid chlorine (sodium hypochlorite)
- About 0.5 ounces of granular chlorine (calcium hypochlorite)
Use our Pool Chemical Calculator for precise dosing based on your specific pool size and current chemical levels.
How much does it cost to heat a swimming pool?
Pool heating costs depend on several factors:
- Pool size and volume
- Desired temperature increase
- Type of heater (gas, electric, heat pump, solar)
- Local energy rates
- Whether you use a pool cover
On average, heating a 15,000-gallon pool from 70°F to 80°F can cost $100-$600 depending on your heating method. Our Pool Heating Calculator provides personalized estimates based on your specific situation.
What size pool do I need for my family?
The ideal pool size depends on several factors:
- Number of users (typically 15-20 sq ft of surface area per person)
- Available yard space (pool should occupy no more than 25% of usable yard)
- Intended use (recreation, exercise, entertaining)
- Budget considerations (both installation and ongoing maintenance)
For a family of four, a pool of 16' x 32' (approximately 12,000 gallons) is often suitable for recreational use. Use our Pool Size Calculator to find the perfect dimensions for your specific needs.
Ready to Optimize Your Pool Maintenance?
Our professional-grade calculators help you maintain the perfect pool with less effort and lower costs.