Tank Size Calculator

Find the volume of a storage tank using our free online tank size calculator & liquid volume converter.

Free tank size calculator and volume converter tools

To get started using our tank calculator, you will need to know the dimensions of the tank you wish to work out the volume for. The measurement units our calculator accepts are – Millimetres, Centimetres, Metres, Inches and Feet.

Once you know your tanks dimensions, you simply need to select the type of storage tank you are calculating the volume for by selecting one of the tank type options – Horizontal Cylindrical Tanks, Vertical Cylindrical Tanks and Rectangular Tanks.

Next you need to select the measurement unit that your tank measurements are in, in order to ensure your results are accurate. You will need to add the Diameter and Width for both Horizontal Cylindrical Tanks, Vertical Cylindrical Tanks.

If you have Rectangular Tanks, you will need to include the Length, Width and Height of the tank. Optionally with all tank types, you can also include the Liquid Height, which will then allow you to work out the spare capacity available in the tank.

The results of your inputs will be displayed in a range of measurement units including – Litres, m3, Gallons (UK), Gallons (US), Barrels and ft3.

Not only that, but if you already have an existing measurement unit you wish to convert, our tank volume converter will allow you to do this quickly and easily. You can convert a tanks storage capacity between numerous quantities including – Litres, m3, Gallons (UK), Gallons (US), Barrels and ft3.

Tank calculator

1. Select tank type:

2. Enter dimensions:

Tank

Result:

Calculation Results (Approximate)

Measurement

Litres
m3
Gallons (UK)
Gallons (US)
Barrels
ft3

Tank Capacity

N/A
N/A
N/A
N/A
N/A
N/A

Tank Contents

N/A
N/A
N/A
N/A
N/A
N/A

Volume converter

Result:

N/A

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