Water Heater Size Calculator
Estimate recommended storage water heater gallons from occupants, bathrooms, and simultaneous hot-water demand for replacement and planning decisions.
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Pipe, slope, heater, and flow calculators for practical plumbing estimates.
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Pipe Size Calculator
Estimate nominal supply pipe size from fixture count, run length, and material assumptions to support quick planning before detailed code checks.
Open calculatorDrain Slope Calculator
Calculate total vertical drop for drain runs from slope per foot so plumbing crews can set elevations quickly and avoid low-slope drainage issues.
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Water Heater Size Calculator
Estimate recommended storage water heater gallons from occupants, bathrooms, and simultaneous hot-water demand for replacement and planning decisions.
Open calculatorPipe Size Calculator
Estimate nominal supply pipe size from fixture count, run length, and material assumptions to support quick planning before detailed code checks.
Open calculatorDrain Slope Calculator
Calculate total vertical drop for drain runs from slope per foot so plumbing crews can set elevations quickly and avoid low-slope drainage issues.
Open calculatorFixture Flow Rate Calculator
Estimate total and diversified fixture flow demand in GPM so plumbing teams can plan supply sizing and evaluate expected peak usage patterns.
Open calculatorExpansion Tank Size Calculator
Estimate domestic hot-water expansion tank size from system volume, pressure, and temperature rise to support safer plumbing system setup.
Open calculatorTankless Water Heater Size Calculator
Estimate tankless heater BTU/hr from simultaneous flow and temperature rise to shortlist practical whole-home size classes.
Open calculatorWater Pressure Drop Calculator
Estimate straight-run water pressure loss with a simplified Hazen-Williams method for planning-level pipe checks.
Open calculatorSewer Pipe Capacity Calculator
Estimate full-flow sewer capacity and velocity using Manning-based assumptions for quick drainage planning checks.
Open calculatorSump Pump Size Calculator
Estimate required sump pump flow with safety margin and suggest an initial HP class for planning checks.
Open calculatorPipe Volume Calculator
Calculate pipe internal volume in gallons, liters, and cubic feet from diameter and run length for planning and flushing estimates.
Open calculatorWell Pump Size Calculator
Estimate well pump TDH and flow target to suggest a planning-level HP class before validating with actual pump curves.
Open calculatorSeptic Tank Size Calculator
Estimate septic tank volume from bedrooms, occupants, and daily flow assumptions with reserve margin and standard-size suggestions.
Open calculatorGrease Interceptor Size Estimator
Estimate grease interceptor volume from flow and retention assumptions or fixture volume inputs for early commercial kitchen planning.
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