Concrete Column Volume Calculator
A free, browser-based calculator. Runs entirely in your browser — no sign up, nothing stored.
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Enter Values
Enter your values and press Calculate to see results.
How to use this calculator
- Enter the column diameter (mm) and height (m).
- Optionally set the number of columns for the total.
How it works
Volume = π × radius² × height, where the radius is half the diameter (converted from mm).
Worked example
300 mm × 3 m. ≈ 0.212 m³ per column.
Common mistakes
- Forgetting to order extra for spillage and over-dig.
- Using the diameter as the radius.
Frequently asked questions
Does this include the footing?
No — it's just the round column shaft. Add the footing/pad volume separately.
Related tools
Tip: Enter any known values to calculate the remaining results.
All calculations run in your browser. Your inputs are never saved or transmitted.