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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.
Plumbing

Drain Pipe Slope Calculator

Calculates the required vertical drop for a drain pipe based on its length and diameter to ensure proper self-cleaning flow. Use it when roughing in bathroom, kitchen, or floor drains to meet IPC and UPC plumbing code requirements.

Fill in the required fields to see your result.

Key differences

Drainage Pipe Slope CalculatorDrain Pipe Slope Calculator
CategoryPlumbingPlumbing
Inputs required42
ResultRequired Fall (inches)Total Fall Required (inches)
What it doesCalculates 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.Calculates the required vertical drop for a drain pipe based on its length and diameter to ensure proper self-cleaning flow. Use it when roughing in bathroom, kitchen, or floor drains to meet IPC and UPC plumbing code requirements.