Business and trade mathematics
Plumbing calculators
Price service work and compare measured pump, leak and water-heating costs from isolated readings and supplied quotes. No pipe or system sizing is provided.
CALCULATOR 26
Plumbing flat rate vs hourly pricing
Compare same-job revenue and contribution under a flat quote and an hourly schedule as duration changes.
Open calculator →CALCULATOR 31
Measured water leak cost
Turn collected water over measured time into volume and tariff cost.
Open calculator →CALCULATOR 33
Pump electricity cost
Price measured pump electrical demand and running hours.
Open calculator →CALCULATOR 53
Plumbing service call minimum charge
Recover dispatch travel labor and overhead at a target job margin.
Open calculator →CALCULATOR 89
Water heater operating cost comparison
Compare supplied delivered heat demand and efficiencies across fuels.
Open calculator →CALCULATOR 90
Water saving fixture payback
Price supplied flow reduction and observed usage without selecting fixtures.
Open calculator →CALCULATOR 92
Hot water recirculation cost
Combine measured pump kWh and user-entered loop heat losses.
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