Compare calculators
Both calculators run independently β change the inputs on either side to compare results.
Plumbing
Pipe Flow Rate Calculator
Calculates the volumetric flow rate of water through a pipe in gallons per minute. Use it when sizing pumps, irrigation lines, or plumbing systems where you know pipe diameter and water velocity.
Fill in the required fields to see your result.
Plumbing
Faucet Flow Rate Calculator
Calculates a faucet's flow rate in gallons per minute (GPM) by timing how long it takes to fill a known container. Use it to audit water consumption, compare fixtures, or check compliance with low-flow standards.
Fill in the required fields to see your result.
Key differences
| Pipe Flow Rate Calculator | Faucet Flow Rate Calculator | |
|---|---|---|
| Category | Plumbing | Plumbing |
| Inputs required | 2 | 2 |
| Result | Flow Rate (GPM) | Flow Rate (GPM) |
| What it does | Calculates the volumetric flow rate of water through a pipe in gallons per minute. Use it when sizing pumps, irrigation lines, or plumbing systems where you know pipe diameter and water velocity. | Calculates a faucet's flow rate in gallons per minute (GPM) by timing how long it takes to fill a known container. Use it to audit water consumption, compare fixtures, or check compliance with low-flow standards. |