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Concrete Bag Calculator

Formula: Volume / Bag yield

Enter volume and bag yield in any unit. The calculator converts to m3 and rounds up bags needed.

Example

Formula: Volume / Bag yield
= 6 m3 / 0.035 m3/bag
= 171.43
≈ 172 bags (rounded up)

Step-by-step calculation

  1. Enter total concrete volume and unit.
  2. Enter bag yield and unit (per bag).
  3. Calculate to get number of bags (rounded up).

FAQ

Why round up?
You need full bags and extra for waste.
What is bag yield?
It is the volume one bag produces when mixed.

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