How it works
Depth is converted from inches to feet. The rectangular volume is then converted from cubic feet to cubic yards.
Input query strings and outputs
Use an input name in this page’s URL as ?name=value, and join additional inputs with &. Portable shared links may instead use the compact ?ac= state parameter.
Input query strings
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?length=LengthNumber · Required · Default: 20
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?width=WidthNumber · Required · Default: 10
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?depthInches=DepthNumber · Required · Default: 4
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?quantity=Number of equal poursNumber · Required · Default: 1
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?wastePercent=Waste allowanceNumber · Optional · Default: 0
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?yield60=Yield per 60 lb bagNumber · Optional · Default: 0.45
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?yield80=Yield per 80 lb bagNumber · Optional · Default: 0.6
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?unitCost=Ready-mix cost per cubic yardNumber · Optional · Default: 0
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?laborCost=Total labor costNumber · Optional · Default: 0
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?minimumOrderYards=Supplier minimum orderNumber · Optional · Default: 0
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?orderIncrementYards=Supplier order increment (0 = none)Number · Optional · Default: 0
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?deliveryCost=Delivery allowanceNumber · Optional · Default: 0
Outputs
8-
cubicYardsConcrete volumeNumber · Primary output · Suffix: yd³
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cubicFeetCubic feetNumber · Suffix: ft³
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allowanceCubicYardsVolume including waste, before supplier roundingNumber
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bags6060 lb bagsWhole number
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bags8080 lb bagsWhole number
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orderCubicYardsVolume including wasteNumber · Suffix: yd³
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materialCostReady-mix material estimateCurrency
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estimatedTotalMaterial plus labor estimateCurrency
Bags
Bag yields vary by product, mixing, and waste. Check the package.