Plumbing Tools & Calculators
Free homeowner-facing calculators built on real data: BuildZoom permit prices, BLS plumber wages, USGS water hardness, NOAA frost lines, and EIA utility rates. No signup, no email harvest. Sources cited inline; full provenance on the methodology page.
- Pricing Cost Calculator
Per-ZIP plumbing cost estimator. Sources BuildZoom 2024 permit data + BLS plumber wage statistics + per-state plumber-density modifiers.
Open calculator → - Sizing Pipe Sizing Calculator
IPC + UPC fixture-unit sizing for residential supply lines. Pick fixture count, flow demand, and material — get the right pipe diameter.
Open calculator → - ROI Tankless ROI Calculator
Payback math for tankless vs storage water heaters. Per-state gas/electric rates, household size, and IRA tax credit eligibility.
Open calculator → - Water Quality Water Hardness Lookup
Enter ZIP, get USGS-sourced hardness in grains/gallon plus softener recommendation thresholds.
Open calculator → - Permits Permit Fee Estimator
City development services permit fees by ZIP and job type. Sourced from city open-data portals.
Open calculator → - Freeze Risk Frozen Pipe Risk Checker
NOAA NCEI frost-line + freeze-day forecast for your ZIP. Tells you when to drip faucets and which pipes need insulation.
Open calculator →
Need a real estimate from a plumber?
Calculators give you a ballpark. The matched plumber gives you a written estimate based on your specific home, fixture count, access, and city permit requirements.