Slope Calculator | Free Construction Calculators

Convert between slope formats including percentage, degrees, ratios, and rise over run.

About Slope Calculations

Slope calculations are essential for grading, drainage, accessibility, and many construction applications. Understanding different slope formats helps communicate requirements clearly and ensures code compliance.

Slope Format Examples

• Percentage: 5% means 5 units rise per 100 units run
• Degrees: 2.86° from horizontal
• Ratio: 1:20 means 1 unit rise per 20 units run
• Fraction: 5/100 or simplified