Pool Water Calculator Pro

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Everyone
10+
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Everyone
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About this app

Take control of your pool water with Pool Calculator, an all-in-one pool chemistry and maintenance companion designed for pool owners, spa owners, and pool service professionals.

Calculate chemical dosages, monitor water balance, track test results, analyse trends, and maintain healthy pool water using a collection of practical pool calculators and tools.

Whether you maintain a backyard swimming pool, spa, hot tub, or saltwater pool, Pool Calculator helps simplify everyday pool care.

## Key Features

✓ Chemical dosage calculators

✓ Water balance tools

✓ Pool volume calculator

✓ Pool health monitoring

✓ Maintenance tracking

✓ Historical records

✓ Interactive charts and trends

✓ Multiple pool profiles

✓ Light and dark mode support

✓ Metric and Imperial units

## Included Calculators

### Water Chemistry Calculators

• Chlorine Dosage Calculator

Calculate the amount of liquid chlorine, bleach, calcium hypochlorite, dichlor, or trichlor needed to reach your target free chlorine level.

• pH Lowering Calculator

Determine how much muriatic acid or sulfuric acid is required to lower pH.

• pH Raising Calculator

Calculate the amount of soda ash needed to increase pH.

• Total Alkalinity Calculator

Find the amount of baking soda required to raise alkalinity.

• Calcium Hardness Calculator

Calculate calcium chloride requirements to increase calcium hardness.

• Cyanuric Acid Calculator

Determine stabilizer requirements to adjust cyanuric acid (CYA) levels.

• Salt Requirement Calculator

Calculate the amount of pool salt required for saltwater systems.

• Borate Calculator

Adjust borate levels with recommended dosing calculations.

### Pool Operation Calculators

• Pool Volume Calculator

Supports rectangular, circular, oval, and custom-shaped pools.

• Water Replacement Calculator

Estimate how much water should be replaced to reduce high CYA or salt levels.

• Water Loss Calculator

Calculate refill requirements after water loss.

• Heater Time Calculator

Estimate heating time based on pool size and target temperature.

• Pump Runtime Calculator

Calculate recommended daily pump operation time.

• Water Turnover Calculator

Estimate complete water circulation cycles.

### Advanced Water Balance Calculators

• CSI Calculator

Calculate the Calcite Saturation Index and evaluate scaling or corrosive water conditions.

• LSI Calculator

Calculate the Langelier Saturation Index for water balance analysis.

• Shock Treatment Calculator

Estimate chlorine shock requirements.

• SLAM Calculator

Determine chlorine levels needed for pool cleanup procedures.

### Pool Health & Analytics

• Pool Health Score Calculator

View an overall score based on key water chemistry parameters.

• Water Balance Insights

Track changes and monitor long-term trends.

• Historical Charts

Review pH, chlorine, alkalinity, salt, temperature, and other readings over time.

## Track Your Pool History

Save and review:

• Water test results

• Chemical additions

• Maintenance activities

• Pool notes

• Service records

Use charts and graphs to identify patterns and monitor water quality over time.

## Designed for

• Residential swimming pools

• Saltwater pools

• Above-ground pools

• In-ground pools

• Hot tubs

• Spas

• Pool service technicians

## Easy to Use

Pool Calculator is designed with a clean interface that makes pool chemistry calculations simple and accessible for beginners while providing useful tools for experienced pool owners and professionals.

Download Pool Calculator and simplify pool maintenance with practical water chemistry and pool management tools.
Pool chemistry calculator, CSI, LSI, salt, pH & chlorine tools
Updated on
Jun 3, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
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  • No data collected
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