Slope Conversion Tables

Percent Slope 400 200 133 100 80 67 57 50 44 33 25 20 16.7 14.3 12.5 11.1 10.0 9.1 8.3 7.7 7.1 6.7 6.3 5.9 5.6 Degrees Slope 76.0 63.4 53.1 45.0 38.7 33.7 29.7 26.6 24.0 18.4 14.0 11.3 9.5 8.1 7.1 6.3 5.7 5.2 4.8 4.4 4.1 3.8 3.6 3.4 3.2 Inches per Foot 48 24 16 12 9.6 8 6.9 6 5.3 4 3 2.4 2.0 1.7 1.5 1.3 1.2 1.1 1.0 0.92 0.86 0.80 0.75 0.71 0.67 ... ................
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