1. What is Ramp Gradient?

Ramp gradient represents the steepness of a slope expressed as a percentage. It indicates how much a ramp rises vertically for every unit of horizontal distance, making it essential for accessibility, construction, and transportation planning.

2. How Does the Calculator Work?

The calculator uses the gradient formula:

Where:

• \( Rise \) — Vertical height difference (meters)
• \( Length \) — Horizontal distance or run (meters)
• \( Gradient \% \) — Slope steepness as percentage

Explanation: The formula calculates the ratio of vertical rise to horizontal length, multiplied by 100 to convert to percentage format.

3. Importance of Gradient Calculation

Details: Accurate gradient calculation is crucial for wheelchair accessibility compliance, road safety standards, drainage design, and ensuring proper slope for various applications in construction and engineering.

4. Using the Calculator

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

5. Frequently Asked Questions (FAQ)

Q1: What is the maximum gradient for wheelchair ramps?
A: ADA standards recommend 1:12 slope (8.33%) maximum for wheelchair ramps, with 1:20 (5%) preferred for easier access.

Q2: How does gradient differ from angle?
A: Gradient is expressed as percentage or ratio, while angle is in degrees. A 45° angle equals 100% gradient.

Q3: What gradients are safe for vehicle ramps?
A: For parking garages, 5-8% is typical; for driveways, 10-12% maximum; steeper slopes may cause vehicle scraping.

Q4: When is gradient calculation important in construction?
A: Essential for ramp design, road construction, drainage systems, roof slopes, and landscaping projects.

Q5: How do I convert gradient percentage to degrees?
A: Use the formula: Angle = arctan(Gradient/100). For example, 10% gradient ≈ 5.71° angle.