Foundation Depth Estimator
Estimate minimum foundation depth based on multiple criteria: frost penetration depth, bearing stratum location, mass ratio requirements, and anchor bolt embedment. The controlling factor (greatest depth) determines the minimum design depth.
Site Location (Frost Depth)
in
Soil Conditions
ft
ft
Mass Ratio Requirements (Optional)
Calculate depth needed for target mass ratio
lbs
ft
ft
Anchor Bolt Requirements
📚 Learn the Theory
Foundation depth requirements, frost protection, and soil bearing considerations