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Pool Chemical Calculator

Result
—lbs chlorine
◆ LIVE 3D PREVIEW
Liquid (oz)
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Shock Bags
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CalcBuild › Pool Chlorine Calculator

How to Calculate Pool Chlorine

Use this free pool chlorine calculator to get instant, accurate results for your construction project. Simply enter your measurements above and the calculator will automatically compute the result using industry-standard formulas.

Pro Tip: Always add 10-15% extra material to account for waste, cuts, and job-site conditions. This is standard practice recommended by experienced contractors.

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💡 Pro Tips — Pool Chlorine

❓ Frequently Asked Questions

+How do I calculate pool volume?
Rectangle: L × W × avg depth × 7.48 = gallons. Circle: diameter² × avg depth × 5.9. Most pools are 10,000-25,000 gallons.
+How often to run the pump?
Run long enough to turn over the entire volume at least once per day. 1-2 turnovers is ideal.
+How much chlorine do I need?
Maintain 1-3 ppm. Shock treatment: 10× the regular dose. Use calcium hypochlorite or liquid chlorine.
+What size pump do I need?
Pool volume ÷ turnover time (hours) = gallons per hour. Divide by 60 = GPM. Size pump to deliver that GPM at your total dynamic head.