1. What is Slope Calculation?

Slope calculation determines the steepness or incline of a ramp, represented by the ratio of vertical change (rise) to horizontal change (run). It's a fundamental concept in mathematics, engineering, and construction.

2. How Does the Calculator Work?

The calculator uses the slope formula:

Where:

• \( m \) — Slope (unitless ratio)
• \( \text{rise} \) — Vertical change (in consistent units)
• \( \text{run} \) — Horizontal change (in consistent units)

Explanation: The formula calculates how much vertical change occurs per unit of horizontal distance. A higher value indicates a steeper incline.

3. Importance of Slope Calculation

Details: Accurate slope calculation is essential for designing accessible ramps, road construction, drainage systems, and various engineering projects where proper incline is critical for safety and functionality.

4. Using the Calculator

Tips: Enter both rise and run values in the same units (meters, feet, etc.). Both values must be positive numbers greater than zero.

5. Frequently Asked Questions (FAQ)

Q1: What is considered a good slope for accessibility ramps?
A: For wheelchair accessibility, a slope of 1:12 (8.33%) or less is typically recommended, meaning no more than 1 unit of rise per 12 units of run.

Q2: How is slope different from angle?
A: Slope is a ratio (rise/run), while angle is measured in degrees. You can convert between them using trigonometric functions.

Q3: Can slope be expressed as a percentage?
A: Yes, slope percentage is calculated as (rise/run) × 100%. A 100% slope equals a 45-degree angle.

Q4: What does a negative slope indicate?
A: A negative slope indicates a downward incline. This calculator only handles positive values for simplicity.

Q5: Why is consistent units important?
A: Using consistent units ensures the slope calculation is accurate and meaningful, as slope is a unitless ratio.