Compare calculators
Both calculators run independently — change the inputs on either side to compare results.
Water Usage
Water Pressure & Flow Calculator
Estimate the flow rate (GPH) available at your fixtures given pipe size, supply pressure, elevation change, and pipe length. Use this when sizing a plumbing system or diagnosing low-pressure complaints.
Fill in the required fields to see your result.
Water Usage
Drip Leak Water Waste Calculator
Find out how much water a dripping faucet wastes per year and what it costs you. Use this whenever you spot a slow leak to make the case for a quick repair.
Fill in the required fields to see your result.
Key differences
| Water Pressure & Flow Calculator | Drip Leak Water Waste Calculator | |
|---|---|---|
| Category | Water Usage | Water Usage |
| Inputs required | 5 | 3 |
| Result | Flow Rate per Fixture (GPM) | Annual Waste Cost ($) |
| What it does | Estimate the flow rate (GPH) available at your fixtures given pipe size, supply pressure, elevation change, and pipe length. Use this when sizing a plumbing system or diagnosing low-pressure complaints. | Find out how much water a dripping faucet wastes per year and what it costs you. Use this whenever you spot a slow leak to make the case for a quick repair. |