Soil Erosion Rate Calculator

Estimate annual soil loss using the Universal Soil Loss Equation based on rainfall, soil type, slope, cover, and conservation practices.

Rainfall Erosivity (R factor)

Soil Erodibility (K factor)

Slope Length (ft)

Slope Steepness (%)

Cover Management (C factor)

Formula

A = R x K x LS x C x P (Universal Soil Loss Equation); LS = (Length/72.6)^0.5 x (0.065 + 0.045s + 0.0065s²); Tolerance (T) = 5 tons/acre/year

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