Circular Tank Capacity Calculator

Home / Water & Tanks / Circular Tank Capacity Calculator

Calculate cylindrical tank capacity from diameter and water depth.

Water & TanksWorking calculatorMobile friendly

Circular Tank Capacity CalculatorVisual reference for this tool.

Use this calculator for quick estimating and planning. Verify project-specific assumptions before final procurement or design.

Diameter (m)

Water Depth (m)

Freeboard (m)

Number of Tanks (nos)

Result 1—

Result 2—

Result 3—

Result 4—

Result 5—

Note—

Calculations run locally in your browser; no backend is required.

Capacity = π × Diameter² / 4 × Water Depth

A 2.5 m diameter tank at 2 m water depth holds about 9.82 m³.

For structural, electrical, code-compliance or safety-critical work, use this as a preliminary estimate and verify with a qualified professional.

Short answers for common estimation questions.

They are estimation values. Site conditions, product specifications and local practice can change final quantities.

Yes. Civil Micros is designed to work on mobile browsers without a backend.

Continue your calculation workflow.