Rain Angle Calculator


In various fields like architecture, engineering, and meteorology, calculating the angle of rainfall is crucial for designing drainage systems, predicting flood risks, and understanding weather patterns. This article presents a rain angle calculator, providing a convenient tool to swiftly determine the angle at which rain falls.

How to Use

Simply input the horizontal distance and the vertical distance from where the rain is falling in the respective fields of the calculator below. Then, click the “Calculate” button to obtain the precise angle of rainfall.


The angle of rainfall can be calculated using the inverse tangent function. The formula is as follows:

Example Solve

Suppose the horizontal distance is 10 meters and the vertical distance is 5 meters. Plugging these values into the formula:


Using a calculator, we find that the angle is approximately 26.57∘.


Q: Can this calculator be used for any units of measurement?
A: Yes, as long as the units for both horizontal and vertical distances are consistent, this calculator can be used with any unit.

Q: Is the result provided by this calculator accurate?
A: Yes, the calculator uses the precise mathematical formula to calculate the angle of rainfall.

Q: Can this calculator be used for angles other than rainfall?
A: No, this calculator is specifically designed for calculating the angle of rainfall.


The rain angle calculator presented here offers a straightforward solution for determining the angle of rainfall. By inputting the horizontal and vertical distances, users can quickly obtain accurate results, facilitating various applications in engineering, architecture, and meteorology.

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