Slope Calculator & Tools

Slope Calculator & Tools is a professional construction calculator for slopes, roof pitch, stairs, ramps, grading, and geometry. Built for contractors, builders, roofers, carpenters, engineers, DIY projects, and construction work. FEATURES • Slope Calculator Calculate rise, run, angle, grade %, and slope length instantly with live diagrams. • Roof Pitch Calculator Calculate roof pitch, roof angle, slope %, rafter length, and roof area. • Stair Calculator Plan stairs with total rise, tread depth, stair angle, stringer length, and comfort analysis. • Ramp Calculator Calculate ADA ramp slope, angle, and ramp length with compliance checks. • Grade Calculator Road, drainage, and site grading calculations. • Triangle Solver Solve triangles using SSS, SAS, and ASA methods. • Unit Converter Convert between mm, cm, m, in, ft, and more. • Feet-Inch Converter Quickly convert feet & inches into decimal values. • Cut & Fill Calculator Estimate earthworks and excavation volume. • Saved Projects Save calculations and access recent results anytime. DESIGNED FOR • Roofing • Carpentry • Construction • Architecture • Engineering • Surveying • DIY & home improvement KEY FEATURES • Live geometry diagrams • Fast and accurate calculations • Clean professional interface • Dark mode optimized • Save and organize projects • Quick presets for common slopes and roof pitches • Supports imperial and metric units Whether you are building stairs, calculating roof pitch, designing ramps, or checking site grades, Slope Calculator & Tools helps you work faster and more accurately.