1. What is Gradient Calculation?

Gradient calculation converts a ratio (like 1:20) into a percentage that represents the slope or incline. It's commonly used in engineering, construction, and road design to express steepness.

2. How Does the Calculator Work?

The calculator uses the gradient formula:

Where:

• \( Rise \) — The vertical change (first number in ratio)
• \( Run \) — The horizontal distance (second number in ratio)

Example: For a 1:20 ratio, Gradient = (1/20) × 100 = 5%

3. Importance of Gradient Calculation

Details: Accurate gradient calculation is essential for proper drainage design, road construction, wheelchair ramp compliance, and various engineering applications where slope measurement is critical.

4. Using the Calculator

Tips: Enter your ratio in the format "X:Y" where X is the rise and Y is the run. For example, "1:20" for a 1 in 20 gradient.

5. Frequently Asked Questions (FAQ)

Q1: What does a 1:20 gradient mean?
A: A 1:20 gradient means for every 20 units of horizontal distance, there is 1 unit of vertical rise, equivalent to a 5% slope.

Q2: How is gradient different from angle?
A: Gradient is expressed as a ratio or percentage, while angle is measured in degrees. They are related but different ways to express slope.

Q3: What's the maximum gradient for wheelchair access?
A: ADA guidelines typically recommend a maximum gradient of 1:12 (8.33%) for wheelchair ramps.

Q4: Can I calculate gradient for any ratio?
A: Yes, this calculator works for any ratio format like 1:20, 2:25, or any other rise:run combination.

Q5: How accurate is this calculation?
A: The calculation is mathematically precise based on the ratio you provide. The result is rounded to two decimal places for readability.