Water is an essential resource for all living beings and is crucial for sustaining life on Earth. With increasing population and urbanization, the demand for water has significantly risen in recent years. As a result, the need for efficient water storage solutions has become more important than ever. One such solution is a rectangular water tank, which is widely used for storing water in residential, commercial, and industrial settings. In this article, we will delve into the process of calculating the size and capacity of a rectangular water tank in litres, ensuring that you have all the necessary information to choose the most suitable tank for your needs.

## How to calculate rectangular water tank size and capacity in litre

A rectangular water tank is a common type of water storage structure that is used in homes, buildings, and other structures. It is a simple and cost-effective solution for storing large amounts of water. A properly sized water tank is essential to ensure an adequate supply of water for domestic or industrial use. In this article, we will discuss how to calculate the size and capacity of a rectangular water tank in liters.

Step 1: Determine the Water Demand

The first step in calculating the size and capacity of a rectangular water tank is to determine the water demand. This will depend on the purpose of the tank and the amount of water needed per day. For residential purposes, a good estimate is to assume a water demand of 150 liters per person per day. For commercial or industrial use, the water demand will depend on the type of activity and the number of people using the water.

Step 2: Calculate the Water Storage Capacity

The next step is to calculate the water storage capacity of the tank. This will depend on the required water demand and the number of days the water needs to be stored. To determine the storage capacity, use the following formula:

Storage Capacity = Water Demand x Number of Days

For example, if the water demand is 150 liters per person per day, and you want to store water for 10 days, the storage capacity will be:

Storage Capacity = 150 liters x 10 days = 1500 liters

Step 3: Determine the Tank Size

Once you have calculated the storage capacity, the next step is to determine the size of the tank that can hold the required amount of water. For a rectangular water tank, use the following formula:

Tank Size = (Storage Capacity x 1000) / Length x Width x Height

Where:

– Storage Capacity is the water storage capacity in liters

– Length is the length of the tank in meters

– Width is the width of the tank in meters

– Height is the height of the tank in meters

For example, if you want to build a rectangular water tank with a storage capacity of 1500 liters, and the desired tank length and height are 4 meters and 2 meters respectively, the tank size will be:

Tank Size = (1500 x 1000) / (4 x 2 x 2) = 187.5 liters

This means that a rectangular water tank with dimensions of 4 meters (length) x 2 meters (width) x 2 meters (height) can hold a maximum of 187.5 liters of water.

Step 4: Consider the Inlet and Outlet Pipes

When calculating the tank size, it is important to consider the inlet and outlet pipes. The size of these pipes will impact the actual water capacity of the tank. It is recommended to keep the inlet and outlet pipes at least 3 inches in diameter to avoid any clogging or water pressure issues.

Step 5: Choose an Appropriate Tank Size

After calculating the required tank size, it is recommended to choose a tank that is at least 10% larger than the calculated size. This will provide some additional cushion in case of higher water demand or unexpected water usage.

In conclusion, calculating the size and capacity of a rectangular water tank is a simple and straightforward process. The key is to determine the water demand and storage requirements, and then use the appropriate formulas to determine the tank size. It is important to choose a tank size that is slightly

## Conclusion

In conclusion, understanding how to calculate the size and capacity of a rectangular water tank in litres is an important skill for anyone who needs to store water. By knowing the dimensions of your tank and the basic formula for calculating volume, you can easily determine the amount of water your tank can hold. Additionally, considering factors such as usage and location can help you determine the optimal size for your specific needs. With this knowledge, you can confidently choose and plan for a water tank that will meet your water storage needs. So, keep these tips in mind and make sure to always calculate accurately for a reliable and efficient water storage solution.