🚽 Bedroom Count, Soil Perc Rate & Infiltrator Chamber Sizing

Septic Tank & Drain Field Sizing Calculator

Size residential septic tanks (1,000 to 2,000 gallons) and calculate gravity or pressure-dosed drain field trench square footage based on bedroom count, daily design flow (GPD), and soil percolation rate (MPI minutes per inch). Model complete turnkey installation bids.

1. Project & Operating Inputs

Home Bedroom Count (Bedrooms)

Soil Percolation Rate (Minutes / Inch)

Customer Bid Price for Turnkey Install ($)

Concrete Tank, Chambers, Pipe & Excavation Cost ($)

2. Financial Breakdown & Yield

SEPTIC TANK & LEACH FIELD SIZING

Turnkey Job Gross Profit

Septic Contractor Margin

0.0%

Gross Revenue / Bill

Total Project CapEx

Operating / Material Cost