How to Calculate Water Tank Capacity in Liters?

Knowing the size of a water tank makes it easy to calculate its capacity in liters. Capacity is based on volume, and then volume is converted into liters. If you want to know, how to calculate water tank capacity in liters, follow these steps:

1. Determine the tank's dimensions: Take note of the diameter and height for cylindrical tanks, or the length, width, and height for rectangular tanks. For accuracy, use centimetres (cm) or metres (m).

2. Determine the volume: Formula for a rectangular tank: Volume = Length × Width × Height. The formula for a cylindrical tank is: Volume = π × (Radius²) × Height (Radius = Diameter ÷ 2).

3. Change to litres: If volume is in cubic meters (m³): 1 m³ = 1,000 litres. If volume is in cubic centimeters (cm³): 1,000 cm³ = 1 litre

Example: Rectangular tank: 1 m × 1 m × 1 m. Volume = 1 m³ = 1,000 litres. Always double check dimensions before calculating to ensure accurate tank capacity.

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Measuring a water tank's capacity is very easy. In India, most people use cylindrical water tanks, one can calculate their capacity easily. If you are wondering how to calculate water tank capacity in liters, you just need the formula with radius, height, and the value of π (pi). Finally, convert the result from cubic meters into litres. Measuring the water tank capacity in litres depends on the shape of the tank, whether it is rectangular, cylindrical, or spherical.

How to Measure Water Tank Capacity in Litres?

Cylindrical Water Tank

1. First, measure the diametre and height of your cylindrical water tank. 

2. Then use the formula: Capacity = π × Radius² × Height × 1000 

3. For example, if the tank has a diameter of 2 metres and a height of 2.5 metres, the radius will be 1 metre.

4. So, Capacity = 3.1416 × (1)² × 2.5 × 1000 = 7850 litres.

Spherical Water Tanks

1. First, measure the diameter of your spherical water tank.

2. Next, calculate the radius by dividing the diameter by 2.

3. Then use the formula: Capacity = (4/3) × π × Radius³ × 1000

4. For a tank with a diameter of 2 metres, the radius is 1 metre. Capacity = (4/3) × 3.1416 × 1³ × 1000=4180 litres

With this simple formula, anyone can calculate their water tank capacity at home. Knowing the exact litres helps in better water storage planning.

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Calculating the capacity of a water tank is very simple if you are aware of the formula. The formula needed for the calculation of water tank capacity is length × width × height. This calculation is ‌done in centimetres. So, if the measurements of your tank are in anything other than centimetres, then you need to convert that to centimetres to find the right capacity. Let me help you with an example. 

How to Calculate Capacity of Tank?

As I mentioned above, water tank capacity can be calculated using a simple formula, which is 

Water Tank Capacity = Length × Width × Height.

For example, suppose that you have a rectangular water tank with the dimensions of

Length = 5 feet, Width = 3 feet and Height = 4 feet. 

Now, we need to convert the dimensions to centimetres by dividing each by 30.48. This is because 1 foot = 30.48 cm. 

Now, the dimensions are

Length = 5 feet × 30.48 cm/foot = 152.4 cm

Width = 3 feet × 30.48 cm/foot = 91.44 cm

Height = 4 feet × 30.48 cm/foot = 121.92 cm

Therefore, Water Tank Capacity = Length × Width × Height.

= 152.4 cm x 91.44 cm x 121.92 cm

= 1696840.4864 cm^3 

Now, converting this to litres, we must divide it by 1000. So, the number becomes 1696.8404864 litres or 1696.9 litres. 

And that’s about it. I hope this helps. 

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Installing a water tank is essential for storing water and using it in times of need. However, we did not know how to calculate tank capacity and buy the required tank. We are a joint family and have plenty of guests throughout the year, so we wanted to install a large tank. I, therefore, asked our plumber to help me with how to calculate water tank capacity in liters in feet. His calculation seemed very easy, and I was able to understand it very easily. If you have the same query, let me guide you with the calculation.

How to measure water tank capacity?

To measure the capacity of the tank, you will need to do some simple calculations. Here's how you can calculate the capacity in litres using this formula:

• Measure the length, width, and height of your water tank in feet.

• Convert the measurements to centimetres since the standard unit for volume is cubic centimetres (cm³), and 1 litre is equal to 1000 cm³.

• Calculate the volume in cubic centimetres.

• Convert the volume from cubic centimetres to litres by dividing by 1000.

Volume (in cm³) 

Length (cm) × Width (cm) × Height (cm) Capacity (in litres) = Volume (in cm³) / 1000

Suppose you have a rectangular water tank with the following dimensions: 

• Length = 5 feet 

• Width = 3 feet 

• Height = 4 feet

Convert the dimensions to centimetres:

 

• Length = 5 feet × 30.48 cm/foot = 152.4 cm 

• Width = 3 feet × 30.48 cm/foot = 91.44 cm 

• Height = 4 feet × 30.48 cm/foot = 121.92 cm

Calculate the volume:

 

Volume = 152.4 cm × 91.44 cm × 121.92 cm = 1696840.4864 cm³

Now for volume to litres: 

Capacity = 1696840.4864 cm³ / 1000 = 1696.8404864 litres

So, the capacity of the water tank is approximately 1696.84 litres. 

By following this formula, you can easily calculate the capacity of your water tank. 

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Water tanks come in two shapes—rectangular and cylindrical—and their storage capacity is determined by multiplying their volume by their surface area. There are several tank volume calculator litres available online. You can use them to compute the water tank capacity. 

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The water tank calculation formula depends on the rectangular and cylindrical shape of the tank;

• Rectangular water tank capacity calculation formula:

Suppose the dimension of a rectangular tank are as follows;

1. Length = 2m

2. Breadth= 1m

3. Height= 0.5m

Volume= LxBxH

= 2m × 1m × 0.5m

= 1m3

So the volume of the water tank is 1 cubic metre.

Now, multiply the answer by 1000 to convert it into a litre as,

= 1×1000

= 1000 litres

• Cylindrical water tank capacity calculation formula:

The total volume of water tank which is cylindrical is calculated by multiplying the area( A ) of the round end by the height H.

A= πR2

where R is the radius which is equal to 1/2 of diameter or d/2,

Therefore the volume of Cylinder shaped water tank = πR2 × H,

Take,

Diameter = 1.12m

height = 1m,

then R = 1.12/2 = 0.56m,

The volume of the tank = πR2 × H

= 3.14 × 0.56 × 0.56 × 1

= 0.984m3,

Multiply the answer by 1000 as 0.984×1000= 9840 litres, 

I’d like to conclude my answer here about the volume of water tank. I hope this helps:)

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We need water for residential, commercial and industrial buildings, hotels, hostels, and for other purposes such as drinking, cooking, washing, etc. For buildings and apartments, you will find water tanks that help to restore water. And from these tanks, we are able to do our domestic work. At times, I have seen people in rural areas build their own cylindrical tanks made up of cement. While in urban areas, you will find cylindrical water tanks of some known brands such as Patton. I have also seen a solar water heater tank that is cylindrical in shape. Since we use tanks to store water we should also learn how to calculate water tank capacity in liters.

How to calculate water tank capacity in litres?

To learn how to calculate round water tank capacity in liters, we should take three dimensions into consideration. Those three dimensions are length, breadth, and height. Let length be L, Breadth be B, and Height be H. So, if we take: L = 8ft B = 6 ft D/H = 5 ft Then the volume of the tank will be 8 x 6 x 5 = 240 ft³ We all know that 1ft³ is equivalent to 28.31 liter Therefore, the total volume of tank in liters will be  240 x 28.31 = 6794.4 liter. So, a tank has the capacity to store around 6800 litres of water. This is the process for how to find water tank capacity in liters. I hope you understand now how to calculate water tank capacity in liters. Pay Water Bill Through NoBroker Bill Payment Service and Earn Assured Rewards. Get Water Tank Installed by Expert Plumbers at Rs. 599 with NoBroker Plumbing Services Read more: How To Calculate Water Bill From Meter Reading? How to check water bill status online? What is K Number in water bill? How to change name in water bill online?