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Post Hole Concrete Calculator — Volume, Bags & Cost

Editable live calculator

Change any input — the result updates immediately

No hidden assumptions. Inputs, units and the working stay visible so you can check the calculation.

Hole diameter (in) Hole depth (in) Number of holes Concrete yield per bag (cu ft) Use the exact yield printed on your bag.Allowance (%) Price per bag (optional)

Check the inputs

The current values do not form a valid calculation. Check the dataset, required values, percentages or zero denominators.