Free tool
Pipe Slope Calculator
Sewer and drain runs: total drop and end depth from your slope, or the required slope from two depths.
Calculation mode
Reference = pipe leaving foundation (or chosen reference)
Check utility crossing clearance
Result
Enter a run length to see drop and depths.
SiteFacts
Email me this calculation
We’ll send your run, slope, and depths — useful when the inspector asks how you got there.
Running sewer to a lot that might not support it?
Connection distance and depth are exactly the costs that blow up land budgets. SiteFacts screens utility availability and septic feasibility before you commit.