Slope Calculator: From Grade (%) to Angle (°)

Ever wondered how to translate those pesky slope percentages into angles? Well, you're in the right place! Let's dive into creating a web app that does just that. As they say, "Why do the math when you can make a computer do it for you?"

Objective

The goal here is to craft a web application that allows users to input a slope grade in percentage (%) and have it magically transformed into an angle in degrees (°). Whether you're a civil engineer, a road designer, or just someone who loves the great outdoors, this tool is for you!

Key Features

Input Field: Users can enter a slope grade in percentage (e.g., 25%).

Instant Calculation: Convert that percentage to an angle using the formula: angle (in degrees) = arctangent(slope % / 100). And remember, precision is key—let's keep it to 2 decimal places. As Albert Einstein might say, "Precision is the essence of accuracy."

Results Display: Clearly show the calculated angle in degrees. It's like magic, but with numbers!

Reverse Conversion (Optional): Feeling fancy? Input an angle to get back the slope grade (%).

Input Validation: No more negative or non-numeric values sneaking in—alert users when they try!

Units Info Tooltip: For those who skipped math class, a simple explanation of the units used.

Responsive UI: Whether you're on a desktop, tablet, or mobile, this tool has got you covered.

Accessibility: Built with semantic HTML and ARIA labels so everyone can join the fun.

Suggested Tech Stack

Here's a recipe for success:

Design Suggestions

Let's keep it sleek and modern:

Testing Checklist

Before we pop the champagne, let's ensure:

Example Inputs

Here's how it all looks in action:

10

5.71°

25

14.04°

100

45.00°

200

63.43°

If you're ready to jump in and start coding, I'm here to help sketch out the UI or even take it to the next level with a Progressive Web App. Ready to host it online? Let's get this project rolling! 🚀