Drainage Tile Spacing
Calculator

Inputs

Drain spacing (ft)
60.715731

Results

Drain spacing (ft)
60.715731

Farming results

Drain spacing (ft)60.715731

formula-map diagram

Drain spacing (ft)
60.715731

Formula map

Formula

Hooghoudt: S = √(4K(2DH + H²) ÷ q), q in ft/day

= 60.715731075233

Note

Simplified agronomic model: results use the rates, grades and coefficients you enter and ignore soil type, weather, variety and local regulations. Confirm with a soil test, the product label and an agronomist before applying anything.

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