Use the Aquarium/Fish Tank Volume Calculator at examples.com to easily find out the volume of your aquarium tank. Just input your measurements.

## Rectangular Aquarium Volume Calculator

Formula: Rectangular Aquarium Volume (V) = l × w × h

#### Height (h):

Volume in cubic meters 1 m3 1000 liters 264.1720 gallons 35.3147 ft3 1.3079 yd3

## Corner Cylinder Aquarium Volume Calculator

Formula: Corner Cylinder Aquarium Volume (V) = π × r2 × h / 4

#### height (h):

Volume in cubic meters 0.7854 m3 785.3981633974482 liters 207.4802 gallons 27.7361 ft3 1.0273 yd3

## Cylinder Aquarium Volume Calculator

Formula: Cylinder Aquarium Volume (V) = π × r2 × h

#### height (h):

Volume in cubic meters 0.7854 m3 785.3981633974482 liters 207.4802 gallons 27.7361 ft3 1.0273 yd3

## BowFront Aquarium Volume Calculator

Formula: BowFront Aquarium Volume (V) = ((l × w) + × (l ÷ 2) × (fw - w) ÷ 2)) × h

#### Height (h):

Volume in cubic meters 1.7854 m3 1785.3982 liters 472 gallons 63.0508 ft3 2.3352 yd3

## Cube Aquarium Volume Calculator

Formula: Cube Aquarium Volume (V) = l3

#### Length(l):

Volume in cubic meters 1 m3 1000 liters 264.1720 gallons 35.3147 ft3 1.3079 yd3

## How to find Aquarium Volume Calculator

### Step 1: Enter the Length

• In the “Length(l):” field, input ‘1’ (as shown in the image). Ensure the unit next to the field is set to ‘Meter’.

### Step 2: Enter the Width

• Locate the “Width(w):” field and input ‘1’ (as depicted in the image). Again, check that the unit is set to ‘Meter’.

### Step 3: Enter the Height

• In the “Height(h):” field, also input ‘1’ (as per the image). Verify that the unit is still in ‘Meter’.

### Step 4: Calculate the Volume

• Click on the “Calculate” button to compute the volume of the aquarium.

### Step 5: View the Result

• The calculated volume, ‘1 Meter³’, will be displayed below the calculate button.

## Step 1: Enter the Dimensions

• Length: Enter the length of your aquarium in the “Length” field.
• Width: Input the width of your aquarium in the “Width” field.
• Height: Fill in the height of your aquarium in the “Height” field.

## Step 2: Select Measurement Units

• Use the dropdown menus next to the Length, Width, and Height fields to select the unit of measurement (e.g., meters, feet).

## Step 3: Calculate Volume

• After entering all dimensions and selecting the appropriate units, the calculator will automatically compute the volume of your aquarium.
• The volume will be displayed in various units, such as cubic meters, liters, gallons, cubic feet, and cubic yards.

## Step 4: Review the Results

• Examine the different volume measurements provided to understand how much water your aquarium will hold in various units.

## Rectangular Aquarium Volume Calculator Formula

To calculate the volume of a rectangular aquarium, use the following simple formula:

Volume = Length × Width × Height

• Length is the measurement of the longest side of the aquarium.
• Width is the measurement of the side perpendicular to the length.
• Height is the vertical measurement from the base to the top of the aquarium.

## Examples of Rectangular Aquarium Volume Calculator

### Example 1: Small Home Aquarium

• Dimensions: Length = 24 inches, Width = 12 inches, Height = 12 inches
• Volume in cubic inches: 24×12×12=3,456 in3
• Volume in cubic meters: 3,456 in3×0.000016387064=0.0566 m3
• Volume in liters: 0.0566 m3×1,000=56.6 liters
• Volume in gallons: 56.6 liters×0.264172=14.96 gallons
• Volume in cubic feet: 3,456 in3×0.000578704=2 ft3
• Volume in cubic yards: 3,456 in3×0.00002143347=0.0741 yd3

### Example 2: Medium Community Tank

• Dimensions: Length = 36 inches, Width = 18 inches, Height = 16 inches
• Volume in cubic inches: 36×18×16=10,368 in3
• Volume in cubic meters: 10,368 in3×0.000016387064=0.1699 m3
• Volume in liters: 0.1699 m3×1,000=169.9 liters
• Volume in gallons: 169.9 liters×0.264172=44.87 gallons
• Volume in cubic feet: 10,368 in3×0.000578704=6 ft3
• Volume in cubic yards: 10,368 in3×0.00002143347=0.2223 yd3

### Example 3: Large Saltwater Aquarium

• Dimensions: Length = 72 inches, Width = 24 inches, Height = 24 inches
• Volume in cubic inches: 72×24×24=41,472 in3
• Volume in cubic meters: 41,472 in3×0.000016387064=0.6798 m3
• Volume in liters: 0.6798 m3×1,000=679.8 liters
• Volume in gallons: 679.8 liters×0.264172=179.52 gallons
• Volume in cubic feet: 41,472 in3×0.000578704=24 ft3
• Volume in cubic yards: 41,472 in3×0.00002143347=0.8889 yd3

## Step 1: Enter the Dimensions

• Height: Input the height of your aquarium in the “Height” field.

## Step 2: Select Measurement Units

• Use the dropdown menus next to the Radius and Height fields to select the unit of measurement (e.g., meters, feet).

## Step 3: Calculate Volume

• After inputting the dimensions and selecting the units, the calculator will automatically compute the volume of your corner cylinder aquarium.
• The results will be displayed in various units, such as cubic meters, liters, gallons, feet, inches

## Step 4: Review the Result

• Examine the different volume measurements to determine how much water your aquarium will hold in each unit.

## Corner Cylinder Aquarium Volume Calculator Formula

To calculate the volume of a corner cylinder aquarium, which is essentially a quarter of a full cylinder, you use the following formula:

Volume = (π × r² × h) / 4

Where:

• π (pi) is a constant approximately equal to 3.14159.
• r is the radius of the cylinder’s full circular base.
• h is the height of the aquarium.

This formula gives you the volume of a quarter-cylinder since a corner cylinder aquarium covers a 90-degree segment of a full cylindrical tank. The result will be in cubic units (like cubic centimeters or cubic inches), depending on the units used for the radius and height.

## Examples of Corner Cylinder Aquarium Volume Calculator

### Example 1:

• Radius: 20 inches
• Height: 24 inches
• Volume in cubic inches: 3.14159×202×24/4=3,769.91 in3
• Volume in cubic meters: 3,769.91 in3×0.000016387064=0.0618 m3
• Volume in liters: 0.0618 m3×1,000=61.8 liters
• Volume in gallons: 61.8 liters×0.264172=16.33 gallons
• Volume in cubic feet: 3,769.91 in3×0.000578704=2.18 ft3
• Volume in cubic yards: 3,769.91 in3×0.00002143347=0.0808 yd3

### Example 2:

• Radius: 12 inches
• Height: 36 inches
• Volume in cubic inches: 3.14159×122×36/4=4,084.32 in3
• Volume in cubic meters: 4,084.32 in3×0.000016387064=0.0669 m3
• Volume in liters: 0.0669 m3×1,000=66.9 liters
• Volume in gallons: 66.9 liters×0.264172=17.67 gallons
• Volume in cubic feet: 4,084.32 in3×0.000578704=2.36 ft3
• Volume in cubic yards: 4,084.32 in3×0.00002143347=0.0875 yd3

### Example 3:

• Radius: 18 inches
• Height: 48 inches
• Volume in cubic inches: 3.14159×182×484=12,271.56 in3
• Volume in cubic meters: 12,271.56 in3×0.000016387064=0.2010 m3
• Volume in liters: 0.2010 m3×1,000=201.0 liters
• Volume in gallons: 201.0 liters×0.264172=53.12 gallons
• Volume in cubic feet: 12,271.56 in3×0.000578704=7.10 ft3
• Volume in cubic yards: 12,271.56 in3×0.00002143347=0.2630 yd3

## Step 1: Enter the Dimensions

• Diameter: Enter the diameter of your aquarium in the “Diameter” field.
• Height: Input the height of your aquarium in the “Height” field.

## Step 2: Select Measurement Units

• Use the dropdown menus next to the Diameter and Height fields to select the unit of measurement (e.g., meters, feet).

## Step 3: Calculate Volume

• After entering the dimensions and selecting the units, the calculator will automatically compute the volume of your cylindrical aquarium.
• The results will be displayed in various units, such as cubic meters, liters, gallons, feet, inches

## Step 4: Review the Results

• Review the different volume measurements to understand how much water your cylindrical aquarium will hold in various units.

## Cylinder Aquarium Volume Calculator Formula

To calculate the volume of a cylindrical aquarium, you can use the following mathematical formula:

Volume = π × r² × h

• π (pi) is approximately 3.14159.
• r is the radius of the circular base of the cylinder.
• h is the height of the cylinder.

This formula provides the volume in cubic units, based on the units used for the radius and height. If you measured in centimeters, the volume will be in cubic centimeters, and if in inches, the volume will be in cubic inches.

## Examples of Cylinder Aquarium Volume Calculator

### Example 1:

• Radius: 10 inches
• Height: 24 inches
• Volume in cubic inches: 𝜋×102×24=7,539.82 in3
• Volume in cubic meters: 7,539.82 in3×0.000016387064=0.1236 m3
• Volume in liters: 0.1236 m3×1,000=123.6 liters
• Volume in gallons: 123.6 liters×0.264172=32.65 gallons
• Volume in cubic feet: 7,539.82 in3×0.000578704=4.36 ft3
• Volume in cubic yards: 7,539.82 in3×0.00002143347=0.1616 yd3

### Example 2:

• Radius: 18 inches
• Height: 36 inches
• Volume in cubic inches: 𝜋×182×36=36,316.25 in3
• Volume in cubic meters: 36,316.25 in3×0.000016387064=0.5950 m3
• Volume in liters: 0.5950 m3×1,000=595.0 liters
• Volume in gallons: 595.0 liters×0.264172=157.18 gallons
• Volume in cubic feet: 36,316.25 in3×0.000578704=21.02 ft3
• Volume in cubic yards: 36,316.25 in3×0.00002143347=0.7782 yd3

### Example 3:

• Radius: 24 inches
• Height: 48 inches
• Volume in cubic inches: 𝜋×242×48=86,981.76 in3
• Volume in cubic meters: 86,981.76 in3×0.000016387064=1.4250 m3
• Volume in liters: 1.4250 m3×1,000=1,425.0 liters
• Volume in gallons: 1,425.0 liters×0.264172=376.54 gallons
• Volume in cubic feet: 86,981.76 in3×0.000578704=50.33 ft3
• Volume in cubic yards: 86,981.76 in3×0.00002143347=1.8631 yd3

## Step 1: Enter the Dimensions

• Length: Enter the length of your aquarium in the “Length” field.
• Width: Input the width of your aquarium in the “Width” field.
• Full Width (fw): Enter the full width measurement, which is typically larger than the regular width, in the “Full Width” field.
• Height: Fill in the height of your aquarium in the “Height” field.

## Step 2: Select Measurement Units

• Use the dropdown menus next to each dimension field (Length, Width, Full Width, Height) to select the unit of measurement (e.g., meters, feet).

## Step 3: Calculate Volume

• After you’ve entered all the dimensions and selected the appropriate units, the calculator will automatically compute the volume of your bowfront aquarium.
• The results will be displayed in various units, such as cubic meters, liters, gallons, feet, inches

## Step 4: Review the Results

• Check the different volume measurements to understand how much water your bowfront aquarium will hold in various units.

## BowFront Aquarium Volume Calculator Formula

The volume of a bowfront aquarium can be calculated using a formula that accounts for both the straight back section and the curved front section. Here is a breakdown of the formula:

V = ((l × w) + (π × (l ÷ 2) × (fw – w) ÷ 2)) × h

• V: Total volume of the aquarium
• l: Length of the aquarium from one side to the other (the longest straight dimension)
• w: Width of the aquarium (the depth of the straight section at the sides)
• fw: The full width of the aquarium including the bow (the total width at the widest point of the curve)
• h: Height of the aquarium from the base to the top
• π (pi): A mathematical constant, approximately 3.14159

## Examples of BowFront Aquarium Volume Calculator

### Example 1:

• Length (l): 48 inches
• Width (w): 18 inches
• Full Width (fw): 24 inches
• Height (h): 24 inches
• Formula: 𝑉=((𝑙×𝑤)+(𝜋×(𝑙÷2)×(𝑓𝑤−𝑤)÷2))×ℎV=((l×w)+(π×(l÷2)×(fww)÷2))×h
• Volume in cubic inches: 𝑉=((48×18)+(3.14159×(48÷2)×(24−18)÷2))×24
• Volume in cubic inches: 𝑉=(864+141.37)×24=24,122.88 in3
• Volume in cubic meters: 24,122.88 in3×0.000016387064=0.3954 m3
• Volume in liters: 0.3954 m3×1,000=395.4 liters
• Volume in gallons: 395.4 liters×0.264172=104.5 gallons
• Volume in cubic feet: 24,122.88 in3×0.000578704=13.96 ft3
• Volume in cubic yards: 24,122.88 in3×0.00002143347=0.5171 yd3

### Example 2:

• Length (l): 36 inches
• Width (w): 12 inches
• Full Width (fw): 20 inches
• Height (h): 30 inches
• Volume in cubic inches: 𝑉=((36×12)+(3.14159×(36÷2)×(20−12)÷2))×30
• Volume in cubic inches: 𝑉=(432+150.80)×30=17,484 in3
• Volume in cubic meters: 17,484 in3×0.000016387064=0.2865 m3
• Volume in liters: 0.2865 m3×1,000=286.5 liters
• Volume in gallons: 286.5 liters×0.264172=75.7 gallons
• Volume in cubic feet: 17,484 in3×0.000578704=10.11 ft3
• Volume in cubic yards: 17,484 in3×0.00002143347=0.3746 yd3

### Example 3:

• Length (l): 60 inches
• Width (w): 24 inches
• Full Width (fw): 30 inches
• Height (h): 36 inches
• Volume in cubic inches: 𝑉=((60×24)+(3.14159×(60÷2)×(30−24)÷2))×36
• Volume in cubic inches: 𝑉=(1,440+282.74)×36=61,986.64 in3
• Volume in cubic meters: 61,986.64 in3×0.000016387064=1.0155 m3
• Volume in liters: 1.0155 m3×1,000=1,015.5 liters
• Volume in gallons: 1,015.5 liters×0.264172=268.3 gallons
• Volume in cubic feet: 61,986.64 in3×0.000578704=35.87 ft
• Volume in cubic yards: 61,986.64 in3×0.00002143347=1.3283 yd3

## Step 1: Enter the Dimension

• Length: Enter the length of one side of your cube-shaped aquarium in the “Length” field.

## Step 2: Select Measurement Unit

• Use the dropdown menu next to the Length field to select the unit of measurement (e.g., meters, feet).

## Step 3: Calculate Volume

• After you’ve entered the dimension and selected the appropriate unit, the calculator will automatically compute the volume of your cube aquarium.
• The results will be displayed in various units, such as cubic meters, liters, gallons, feet, inches

## Step 4: Review the Results

• Check the different volume measurements to understand how much water your cube aquarium will hold in various units.

## Cube Aquarium Volume Calculator Formula

To calculate the volume of a cube aquarium, you can use the following simple formula:

Volume = Side Length³

• Side Length is the measurement of any side of the cube aquarium.

This formula calculates the volume in cubic units based on the units used for the side length. If you measure in inches, the volume will be in cubic inches, and if in centimeters, the volume will be in cubic centimeters.

## Examples of Cube Aquarium Volume Calculator

### Example 1:

• Side Length: 12 inches
• Volume in cubic inches: 123=1,728 in3
• Volume in cubic meters: 1,728 in3×0.000016387064=0.0283168 m3
• Volume in liters: 0.0283168 m3×1,000=28.3168 liters
• Volume in gallons: 28.3168 liters×0.264172=7.48 gallons
• Volume in cubic feet: 1,728 in3×0.000578704=1 ft3
• Volume in cubic yards: 1,728 in3×0.00002143347=0.037 yd3

### Example 2:

• Side Length: 18 inches
• Volume in cubic inches: 183=5,832 in3
• Volume in cubic meters: 5,832 in3×0.000016387064=0.0955725 m3
• Volume in liters: 0.0955725 m3×1,000=95.5725 liters
• Volume in gallons: 95.5725 liters×0.264172=25.25 gallons
• Volume in cubic feet: 5,832 in3×0.000578704=3.37 ft3
• Volume in cubic yards: 5,832 in3×0.00002143347=0.125 yd3

### Example 3:

• Side Length: 24 inches
• Volume in cubic inches: 243=13,824 in3
• Volume in cubic meters: 13,824 in3×0.000016387064=0.226533 m3
• Volume in liters: 0.226533 m3×1,000=226.533 liters
• Volume in gallons: 226.533 liters×0.264172=59.84 gallons
• Volume in cubic feet: 13,824 in3×0.000578704=8 ft3
• Volume in cubic yards: 13,824 in3×0.00002143347=0.296 yd3

## Does the shape of the aquarium impact its volume?

The shape of an aquarium does not impact its volume. Regardless of whether the aquarium is round, rectangular, or irregular, the volume depends on the dimensions, ensuring the internal water capacity remains the same for the measured size.

## How many fish can I put in my 50-liter aquarium?

In a 50-liter aquarium, following the general guideline of one small fish per 2 liters, you can house around 25 small fish. Ensure they are compatible and provide proper filtration, maintenance, and care for a healthy environment for the fish.

## Do irregularly shaped aquariums require a different method?

Yes. Irregular shapes are more challenging to calculate precisely. Use water displacement or estimate by comparing it to regular geometric shapes. Manufacturers often provide volume specifications as well.

## Is it necessary to fill the aquarium fully to its calculated volume?

No, it’s not necessary. Leaving some space allows for equipment installation and reduces the risk of overflow during maintenance or when fish swim actively.

## Does the water treatment process impact aquarium volume?

Water treatment processes like filtration and aeration don’t significantly impact volume, but chemical treatments may increase dissolved compounds, requiring additional monitoring and adjustments.

## How can I increase my aquarium’s effective volume?

Using a sump filtration system or adding more efficient filtration can increase the effective volume by creating a more stable environment and additional water storage outside the main tank.