Pipe & Water Flow Calculators
Calculate pipe flow, water flow rate, GPM, pipe size, pipe diameter, volume, velocity, pressure drop, and head loss.
Plumbing Calculators
Use these plumbing calculators to estimate pipe sizing, water flow, GPM, pressure loss, drain slope, sewer sizing, fixture units, water heater demand, pump requirements, pipe materials, and common plumbing project costs.
Plumbing Calculator Tools
Water Pressure Calculators
Estimate water pressure, static pressure, dynamic pressure, booster needs, pressure tanks, and expansion tanks.
Drainage & Sewer Calculators
Plan drain pipe size, sewer pipe slope, drainage slope, fixture units, septic sizing, and sump pump needs.
Water Heater Calculators
Calculate water heater size, tankless demand, hot water usage, recovery rate, energy cost, BTUs, and temperature rise.
Pump Calculators
Estimate pump size, pump flow rate, pump head, horsepower, well pump sizing, and circulator pump requirements.
Plumbing Cost & Material Calculators
Estimate plumbing costs, pipe materials, copper pipe cost, PEX, PVC, insulation, trench volume, and labor costs.
About These Plumbing Calculators
These plumbing calculators are designed for quick planning, estimating, and educational use. Plumbing projects can involve local codes, water pressure requirements, pipe material limits, fixture demand, drain slope rules, venting requirements, and installation conditions. Always verify important plumbing decisions with local code requirements or a licensed plumber before installing or modifying a plumbing system.