Compare calculators
Both calculators run independently β change the inputs on either side to compare results.
Plumbing
Toilet Flush Volume Calculator
Computes the volume of water used per flush by measuring the internal dimensions of the toilet tank. Ideal for identifying water-wasting fixtures, calculating household water consumption, or qualifying for rebate programs.
Fill in the required fields to see your result.
Plumbing
Drainage Pipe Slope Calculator
Calculates the required slope and total vertical fall of a drainage pipe to achieve self-cleaning sewage flow over a given horizontal distance. Essential for plumbers designing gravity-fed drain systems.
Fill in the required fields to see your result.
Key differences
| Toilet Flush Volume Calculator | Drainage Pipe Slope Calculator | |
|---|---|---|
| Category | Plumbing | Plumbing |
| Inputs required | 3 | 4 |
| Result | Flush Volume (gallons) | Required Fall (inches) |
| What it does | Computes the volume of water used per flush by measuring the internal dimensions of the toilet tank. Ideal for identifying water-wasting fixtures, calculating household water consumption, or qualifying for rebate programs. | Calculates the required slope and total vertical fall of a drainage pipe to achieve self-cleaning sewage flow over a given horizontal distance. Essential for plumbers designing gravity-fed drain systems. |