## About Rain Load Calculator (Formula)

The Rain Load Calculator is a tool used to estimate the rain load on a structure based on the depth of water up to the secondary inlet and the depth of water above the secondary inlet. Rain load refers to the pressure exerted by rainwater on a surface, which is an important consideration in structural design and engineering.

**The formula used in the Rain Load Calculator is:**

RL = 5.2 * (ds + dh)

Where:

- RL represents the Rain Load in pounds per square inch (psi).
- ds refers to the depth of water up to the secondary inlet in inches.
- dh denotes the depth of water above the secondary inlet in inches.

To calculate the rain load, the formula takes the sum of the depth of water up to the secondary inlet and the depth of water above the secondary inlet. The constant factor of 5.2 is commonly used in practice for this calculation.

By inputting the relevant depth values into the Rain Load Calculator, engineers and designers can quickly determine the estimated rain load on a structure. This information is essential for ensuring the structural integrity and safety of buildings, roofs, and other construction projects.

The Rain Load Calculator simplifies the process of calculating rain load, providing professionals with a convenient tool to assess the potential impact of rainfall on their designs. It aids in making informed decisions regarding materials, supports, and load-bearing capacities.

It is important to note that the Rain Load Calculator provides an estimation of the rain load, and additional considerations such as local building codes, environmental factors, and specific design requirements may need to be taken into account for a comprehensive structural analysis.