Process & Mechanical
Vertical Tank Volume
Vertical storage tank volume from diameter and cylinder height, with an optional head type added on top.
Standard method — stated scope limits apply
Tank
Enter tank dimensions.
About This Calculation
A vertical cylindrical tank's volume scales linearly with liquid height — volume equals cross-sectional area (a fixed circle) multiplied by height — which makes vertical tank volume calculation straightforward compared to a horizontal tank's nonlinear circular-segment geometry, but the total volume still depends correctly on tank diameter, straight-side height, and any conical or dished bottom/top contribution, which many quick estimates overlook.
Frequently Asked Questions
Why is a vertical tank’s volume calculation simpler than a horizontal tank’s?
A vertical tank’s horizontal cross-section (a full circle) has the same area at every height, so volume is simply that fixed area multiplied by height — there’s no changing cross-sectional shape to account for the way a horizontal tank’s circular-segment cross-section changes with fill depth.
Does a conical bottom tank need a different formula for that section?
Yes — the conical (or dished) bottom section follows cone or dish geometry, not simple cylinder geometry, so its volume contribution must be calculated separately from the straight cylindrical shell above it and added to get correct total tank volume, especially important for tanks meant to fully drain via a conical bottom.
Is nominal tank diameter the same as the diameter to use for volume calculation?
Not always — nominal diameter often refers to a rounded, commercially quoted size, while actual internal diameter (accounting for wall thickness and any internal lining) is what genuinely determines liquid-holding volume; always confirm actual internal dimensions from the tank’s as-built drawing for a precise volume calculation.