Drainage Calculation Excel Worksheet | Plumbing Pipe Sizing Tool

On paper, drainage designs seem pretty simple, but actual calculations take time. The pipe size, slopes, flow rates, and fixture loads must all be correct, or one wrong value can bring down the whole system. That’s where a drainage calculation worksheet can be of great use during design work.

This Excel worksheet of drainage calculation helps engineers and students make drainage pipe sizing calculations quickly, without doing everything manually. It saves time and reduces common calculation mistakes.