Not sure where to start?
If you are planning a water treatment, begin with a reliable pool-volume estimate and a recent water test. For equipment decisions, check your current pump, filter or heater specifications before comparing options.
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Explore Pool Calculator Categories
Find a pool calculator or guide by the task you are working on. Browse water chemistry, equipment, volume and cost tools in one organized directory.
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20 tools and guidesBrowse by pool-care need
Pool care often involves more than one calculation. Start with the category that matches your question, then follow related tools when you need a pool measurement, water treatment estimate or equipment detail.
01
Water Chemistry
Explore calculators and reference tools for pool salt, chlorine, shock, pH and alkalinity adjustments.
8 tools and guides →02
Pool Equipment
Find pool equipment tools for pump sizing, pump run time and heater capacity planning.
3 tools and guides →03
Pool Volume
Browse pool volume, gallons, filter sand and measurement guides for different pool sizes and shapes.
6 tools and guides →04
Pool Costs
Explore heating cost estimates and the factors that affect pool energy use.
3 tools and guides →About these tool pages
Category pages bring related interactive calculators and practical guides together. Each tool explains its inputs, calculation purpose and important assumptions. Use measured pool details and follow product or equipment instructions when applying an estimate.
Browse every PoolTaken tool
See all current calculator guides in one list, grouped by their main topic.