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MEASUREMENTS → PRODUCT DATA → PURCHASE

Bagged concrete mix.

Start with the net prepared concrete volume; deduct known voids before converting to bags.

Read the right quantitative data

Prepared mixed yield per bag, available package sizes and your quoted bag prices.

Check this ordering assumption

Dry bag mass is not prepared volume. Two equally heavy bags need not have equal yield.

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Use the yield for the exact selected mix and package; keep product suitability and water requirements in its current specification.

A worked quantity method

This illustrative set of supplied inputs demonstrates Concrete Bag Calculator. Replace the example measurements and product figures with your own before ordering.

Supplied inputMetric displayUS display
Concrete volume before waste1 m³1.31 yd³
Yield per bag25 L/bag0.883 ft³/bag
Waste allowance10 %10 %
Bags = ceil(volume × (1 + waste) ÷ bag yield)Bag weight does not determine mixed yield. Enter your product’s stated yield. Do not reapply waste to an already adjusted volume.

Bags to purchase: 44 bags

Volume with allowance
1.1 m³
Mixed yield per bag
25 L/bag
Open this example in the full calculator
BEFORE YOU CALCULATE

Your measurement and product-data sheet

Record what you know and mark verified items ready. Notes save on this browser after you edit them. Download a copy before clearing browser data.

Start with the net prepared concrete volume; deduct known voids before converting to bags.

Prepared mixed yield per bag, available package sizes and your quoted bag prices.

Dry bag mass is not prepared volume. Two equally heavy bags need not have equal yield.

Input for Concrete Bag Calculator. Record the value with its unit and quantity basis.

Use the yield on your bag’s data sheet.

Input for Concrete Bag Calculator. Record the value with its unit and quantity basis.

Choose your next calculation

Turn the estimate into an order

  1. Confirm that all quantities use the same measured basis and the selected product's current data.
  2. Keep different products, finishes and handed variants in separate purchase lines.
  3. Review exact demand and whole-pack purchase quantities before entering your quoted prices.
  4. Record compatible stock already on hand, then save the remaining order in your browser project.

Measurement and purchase guides

Other materials in this family

Reviewed 6 October 2026. Geometry and purchase arithmetic use your measurements and selected specifications. Calculation scope.

Evaluate supplied material and purchase alternatives

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