Fast plumbing calculations for daily jobs
Pipe slope, flow, pressure, volume and field estimates — built for plumbers.
No account wall. Offline-ready calculators. Built to open, calculate, and move on.
Calculators plumbers actually reopen.
Start with the field math that saves time every week.
No CAD, no bloated CRM, no hunting through browser tabs.
Pipe Slope / Fall
Calculate total fall from distance and slope presets like 1/8 or 1/4 inch per foot.
Pipe Volume
Estimate water volume inside a pipe using diameter and length.
Pressure Converter
Convert between psi, bar, kPa and Pa with a simple one-screen tool.
Flow Rate
Calculate liters per minute, gallons per minute and related flow values.
Tank Fill Time
Estimate fill or drain time from tank volume and flow rate.
Quote Calculator
Add labor, materials and markup for quick job estimates on site.
Built like a tool, not a dashboard.
The app is designed for fast one-handed use on a job site, with deterministic formulas and offline-first behavior.
Browser calculators
- Too many tabs, ads and inconsistent formulas.
- Often poor mobile layouts when you need speed.
- Hard to save or reuse results later.
Plumbing Calculator
- Open and get a result in seconds.
- Metric and imperial units for common plumbing work.
- Save results, favorites and projects with Pro.
Ready for the job site.
Launch with free calculators. Upgrade to Pro for the full toolkit, saved history and project workflows.