1. What is Ramp Slope?

Ramp slope is the ratio of vertical rise to horizontal run, representing the steepness of an incline. It is a dimensionless value calculated by dividing the vertical change (rise) by the horizontal change (run).

2. How Does the Calculator Work?

The calculator uses the slope formula:

Where:

• \( m \) — Slope (unitless)
• \( rise \) — Vertical change (feet)
• \( run \) — Horizontal change (feet)

Explanation: The slope represents how many feet the ramp rises for each foot of horizontal distance.

3. Importance of Slope Calculation

Details: Calculating ramp slope is essential for accessibility compliance, construction safety, and ensuring proper wheelchair access. Different applications have specific slope requirements for safety and usability.

4. Using the Calculator

Tips: Enter both rise and run values in feet. Both values must be positive numbers greater than zero for accurate calculation.

5. Frequently Asked Questions (FAQ)

Q1: What is the maximum slope for wheelchair ramps?
A: The ADA recommends a maximum slope of 1:12 (rise:run), which equals approximately 0.0833 slope.

Q2: How do I convert slope to degrees?
A: To convert slope to degrees, use the formula: degrees = arctan(slope). Most scientific calculators have this function.

Q3: What is considered a steep slope?
A: Generally, slopes greater than 0.2 (1:5) are considered steep and may be challenging for wheelchair users or those with mobility issues.

Q4: Can I use different units for rise and run?
A: No, both measurements must be in the same units for the slope calculation to be accurate. This calculator specifically uses feet.

Q5: What does a slope of 1 mean?
A: A slope of 1 means the ramp rises 1 foot for every 1 foot of horizontal distance, which is a 45-degree angle.