Costs & Equipment
23 free calculators — every one shows its formula and a worked example.
Salt vs Chlorine Cost CalculatorDoes converting to salt water actually save money? The payback math.Salt Cell Replacement CalculatorWhen your salt cell will die, and what to budget for it.Variable Speed Pump SavingsWhat switching to a variable speed pump saves you per year.Pool Liner Size CalculatorMeasure your pool, get the exact liner spec — overlap, beaded, or unibead.LED Pool Light SavingsWhat the pool light really costs, and how fast LED pays for itself.Cartridge Filter CalculatorThe cartridge sqft your pool needs and the PSI that says clean it.DE Powder CalculatorDE pounds and scoops for your filter, fresh or recharge.Pool Filter Sand CalculatorPounds of sand for your filter size, and when to swap it.Pool Pump Size CalculatorThe GPM and pump size your pool actually needs (smaller than you think).Pool Cleaner PickerFour questions, one honest answer: which cleaner class fits your pool.Robot Cleaner Payback CalculatorIs the robot worth it vs your Saturday vacuuming hours?Pool Pump Run Time CalculatorTurnover hours and what your pump costs to run.Pool Cover Savings CalculatorWhat a cover saves you per season, and its payback time.Solar Pool Heater SizingHow many solar panels your pool needs, and the payback vs gas.Pool Heater Size CalculatorThe BTU size your pool actually needs, gas or heat pump.Pool Heating Cost CalculatorWhat raising your water temperature actually costs.Pool Service vs DIY CalculatorWeekly service vs doing it yourself: the honest premium.Pool Cost of OwnershipThe honest per-year cost of owning a pool, itemized.Pool Loan vs Cash CalculatorFinance or pay cash? The honest interest-vs-opportunity-cost math.Pool Affordability CalculatorFrom a monthly payment to the pool price (and upkeep) you can afford.Pool Financing CalculatorPool loan payments and the true all-in cost of buying a pool.Pool Water Delivery CalculatorTruckloads, delivery cost, and the honest hose comparison.Pool Fill Cost CalculatorWhat filling (or refilling) your pool costs, and how long it takes.