Pool calculators and templates
17 tools, all free, all running in your browser. Nothing you type is stored or sent anywhere.
Water Chemistry
7 toolsPool Volume Calculator
Gallons from shape, depth and dimensions — the number every dose depends on.
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Chlorine Dose Calculator
Ounces or pounds of liquid, cal-hypo, dichlor or trichlor to hit your target ppm.
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Pool Salt Calculator
Bags of salt to reach the cell's target, and the drain-and-refill if you overshot.
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Alkalinity Calculator
Sodium bicarbonate up, acid plus aeration down, with the pH drift shown.
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pH & Acid Demand Calculator
Muriatic acid, dry acid or soda ash dose from your pH and total alkalinity.
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Cyanuric Acid Calculator
Stabiliser to add, or the dilution needed to bring a high CYA back into band.
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Shock Dose Calculator
Breakpoint chlorination from combined chlorine, product by product.
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Equipment & Repair
3 toolsPump Size Calculator
Required flow from volume and turnover, then the head loss your plumbing adds.
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Heater Size Calculator
BTU from surface area, temperature rise and how exposed the pool is.
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Turnover & Run-Time Calculator
Turnover hours, filter area check and the daily run time that follows.
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Route & Pricing
4 toolsService Pricing Calculator
Price a weekly stop from drive time, chemicals, labour rate and target margin.
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Route Value Calculator
What a route is worth: monthly gross, churn, density and the multiple.
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Service Invoice Template
A printable invoice with chemical line items and a copy button.
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Service Contract Template
A weekly-service agreement with a scope and exclusions table.
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