Plumbing Calculator & Tools

Fast, reliable plumbing calculators for the job site: pipe slope, flow, volume, pressure, quotes, and more. Save results to projects and work offline in seconds.

Plumber Calculator is a fast, practical job-site utility built for plumbers, service technicians, and small contractors who need reliable answers in seconds.

Instead of jumping between websites, notes, and manual math, you can run core plumbing calculations in one clean app designed for field use: quick inputs, clear results, and minimal taps.

Core calculators include:

• Pipe Slope / Fall Calculate total fall over a run using common slope formats and unit systems.

• Pipe Volume Estimate water volume inside a pipe from diameter and length.

• Pressure Converter Convert pressure values between common units like PSI, bar, and kPa.

• Flow Rate Compute flow rate from volume and time.

• Tank Fill / Drain Time Estimate how long a tank takes to fill or drain based on volume and flow.

• Pipe Length Estimator Add multiple run segments to get total required pipe length.

• Pipe Diameter Support practical sizing workflows with clear, fast calculations.

• Pump Head Estimate required pump head for planning and troubleshooting scenarios.

• Fixture Unit Load Calculate fixture unit totals to support planning and rough sizing tasks.

• Water Heater Sizing Estimator Get a quick, rule-based capacity estimate from usage inputs.

• Labor + Material Quote Build fast on-site estimates with labor, materials, and markup inputs.

Built for real field workflows:

• Fast, consistent calculator screens • Offline-friendly core usage • Save calculation results for later reference • Organize saved results by project • Review and compare previous calculations • Share/export results when needed • Clean, readable output with practical units • Biometric lock option for protected access

Who it’s for:

• Solo plumbers • Small plumbing businesses • Service technicians • Anyone who needs dependable plumbing math without complexity

Why users choose this app:

• Less mental math on busy jobs • Fewer errors from rushed calculations • Faster decisions in front of customers • Cleaner, repeatable quote and planning process

Important note: This app provides calculation tools and practical estimates. It does not replace local code requirements, manufacturer specifications, or licensed engineering judgment for final design and compliance decisions.

Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://plumbingcalculator.app/privacy-policy/