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Concrete Bag Calculator

Formula: Volume / Bag yield

Example

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

Enter volume and bag yield in any unit, then choose result type (rounded or exact).

Tip: Choose result type (rounded or exact) on the right before calculating.

Rounded up is best for purchasing extra bags.

Step-by-step calculation

  1. Enter total concrete volume and bag yield with units.
  2. Select result type (rounded or exact).
  3. Calculate to see bags needed and steps for that mode.

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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