Skip to content

Tank Volume Calculator

cylinder
rectangular

Result

Tank Capacity3,534.29 L
Volume (m³)3.53 m³
↗ Construction

Tank Volume Calculator — free online calculator.

Formula

Cylinder: π×(D/2)²×H; Rectangular: L×W×H; Horizontal cyl: π×(D/2)²×L; Litres = m³ × 1000
  • Tank Volume Calculator calculates its result from Height, Cylinder, D, Width, Rectangular, Length, Horizontal Cyl, Mass. It uses the formula Cylinder: π×(D/2)²×H; Rectangular: L×W×H; Horizontal cyl: π×(D/2)²×L; Litres = m³ × 1000. Change any input to recalculate the result instantly.
  • The main inputs are Tank Shape, Diameter, Height / Depth, Length (rectangular/horizontal), Width. Enter them in the units and format shown in the calculator.
  • Keep measurements and project assumptions consistent before comparing or combining values.
  • Changing any input above recalculates the result with the same calculation engine used by this page.

Example: Tank Volume

Inputs
  • Tank Shape: cylinder
  • Diameter: 1.5 cylinder
  • Height / Depth: 2
  • Length (rectangular/horizontal): 2
  • Width: 1.5 rectangular

Using Height = 2, Cylinder = 3, D = 4, Width = 5, Rectangular = 6, Length = 7, Horizontal Cyl = 8, Mass = 9, the calculated result is 729000.

Sample result: Calculating…

Frequently asked questions

What does the Tank Volume calculate?

Tank Volume Calculator — free online calculator.

Which values should I enter?

Enter Tank Shape, Diameter, Height / Depth, Length (rectangular/horizontal), Width using the units and format shown beside each field.

What formula does this calculator use?

The calculator uses the following relationship: Cylinder: π×(D/2)²×H; Rectangular: L×W×H; Horizontal cyl: π×(D/2)²×L; Litres = m³ × 1000.

Why might my result differ from another source?

Results can differ when another source uses different units, rounding rules, conventions or assumptions. Compare the inputs and definitions before comparing results.

Does the result update automatically?

Yes. Changing an input updates the result using the same calculation engine shown on this page.

Page information

Updated: October 10, 2026