Concrete bags calculator
Turn a concrete volume into a whole number of bags.
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Your measurements
Enter your project values. Your estimate updates as you type.
View your estimateExample values are a starting point. Check product yields and specifications before ordering.
YOUR ESTIMATE
Bags to buy
46
Volume including waste0.55 m³
Yield per bag12 L
Purchased yield0.552 m³
Whole quantities are rounded up.
How it's calculated
Bags = round up [volume × (1 + waste ÷ 100) ÷ mixed yield per bag].
Calculations use consistent units for your selected measurements. The waste allowance is applied once to the measured requirement. Whole purchase quantities are rounded up.
What this estimate includes
Use the mixed yield printed on your exact bag. The 12 L example is illustrative, not universal.
QUIKRETE product yieldsQuantity and arithmetic estimates only. Use project specifications for installation and design requirements.
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