Ramp slope geometry
Calculate grade, angle, and sloped length from rise and run.
How this works
Grade = rise/run × 100; slope length uses the Pythagorean theorem.
Example
Using the example inputs, grade is 8.333333 %.
- Vertical rise
- 0.5 m
- Horizontal run
- 6 m
- Grade
- 8.333333 %
Scope and assumptions
Geometry only; not ADA compliance, an accessibility assessment, or construction approval.
OpenStax mathematics reference