1. What is Ramp Slope?

Ramp slope is the measure of steepness or incline of a ramp, expressed as a percentage. It represents the ratio of vertical rise to horizontal run, multiplied by 100 to convert it to a percentage.

2. How Does the Calculator Work?

The calculator uses the slope formula:

Where:

• \( Rise \) — Vertical height difference (meters)
• \( Run \) — Horizontal distance (meters)
• \( Slope \% \) — Percentage slope result

Explanation: The formula calculates the ratio of vertical change to horizontal distance and converts it to a percentage for easy interpretation.

3. Importance of Slope Calculation

Details: Accurate slope calculation is crucial for designing accessible ramps, construction projects, road design, and ensuring compliance with building codes and safety standards.

4. Using the Calculator

Tips: Enter rise and run values in meters. Both values must be positive numbers greater than zero. The calculator will compute the slope percentage automatically.

5. Frequently Asked Questions (FAQ)

Q1: What is the maximum slope for wheelchair ramps?
A: According to ADA standards, the maximum slope for wheelchair ramps is 1:12 (8.33%) for commercial buildings.

Q2: How do I convert slope percentage to degrees?
A: Use the formula: degrees = arctan(slope/100). For example, a 10% slope equals approximately 5.71 degrees.

Q3: What's the difference between rise and run?
A: Rise is the vertical height change, while run is the horizontal distance over which that change occurs.

Q4: Can I use different units for rise and run?
A: Yes, as long as both values use the same unit system (both metric or both imperial), the slope percentage calculation remains accurate.

Q5: What slope is considered steep?
A: Generally, slopes above 15% are considered steep for walking, while slopes above 25% are very steep and may require special construction considerations.