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.