Free tools for pool service operators.
No login. No paywall. Calculators we use internally, made public. PoolStack customers run these on every visit and every quote.
Pool water and equipment calculators
Operator + homeowner
Pool volume calculator
How many gallons is your pool? Pick a shape, enter dimensions, get gallons. Feeds the chemical dosage calculator.
Open volume calculatorOperator + homeowner
Chemical dosage calculator
How much chlorine, acid, soda ash, baking soda, calcium chloride, CYA, or salt to hit target readings. Industry standard math.
Open dosage calculatorOperator
LSI calculator
Langelier Saturation Index from pH, temperature, calcium hardness, alkalinity, CYA, and TDS. Get a clear scaling, balanced, or corrosive verdict with recommended adjustments.
Open LSI calculatorOperator + homeowner
Pool heater calculator
What size pool heater do you need? Enter volume, temperature rise, and heat-up time. Get the recommended BTU size and cost to heat by fuel type.
Open heater calculatorOperator + homeowner
Pump run time calculator
How long should the pool pump run? Daily run hours from volume and turnover, plus a single-speed vs variable-speed cost comparison.
Open run time calculator
Pricing, cost and route value calculators
Operator
Pool service pricing calculator
How much should you charge for pool service? Recommended monthly price range plus a Good / Better / Best tier suggestion.
Open pricing calculatorOperator
Commercial bid calculator
Build a defensible monthly bid for HOAs, hotels, apartments, and gyms. Labor, chemicals, overhead, and target margin in one screen.
Open bid calculatorOperator
Cost per pool calculator
What does a stop really cost to service? Labor, chemicals, vehicle, and overhead in one number, plus the price to hit a target margin.
Open cost calculatorOperator
Customer LTV calculator
What is a pool customer worth? Lifetime gross profit from fee, tenure, margin, and upgrades, plus the LTV-to-CAC ratio for your marketing budget.
Open LTV calculatorOperator
Route worth calculator
What is a pool service route worth? Enter your ZIP, MRR, retention, and auto pay. Get an estimated value range backed by 10,077 real ZIP benchmarks.
Open route worth calculator
Invoice and service agreement generators
Operator
Invoice generator
Free pool service invoice generator. Add your logo, line items, tax, and notes. Print to PDF or email straight to the customer.
Open invoice generatorOperator
Service agreement generator
Branded pool service contract in minutes. Scope, payment terms, cancellation, liability. Download as PDF and send for signature.
Open agreement generator
Email us if there is a calculator you want next.
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