Septic Tank Sizing
Estimate septic tank size based on bedrooms and occupancy
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How to Use This Calculator
Bedrooms.
Occupants.
Get Gallons.
Understanding Septic Tank Sizing Calculations
Retention time.
Sludge/Scum.
Leach field.
Pumping.
Formula & Calculations
Bedrooms x Factor (e.g. 1.5)
Key Factors to Consider
Soil perk
Garbage disposal
Water usage
Local code
Frequently Asked Questions
13 bedroom?
1000 gallons min.