Concrete Guides
Concrete estimating guides, formulas, and buying notes
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Concrete Planning
Jobsite guide
Shed Base Concrete Mix Calculator: 10x12 & 10x16 Bags
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Concrete PlanningUpdated 2026/07/28
Shed Base Concrete Mix Calculator: 10x12 & 10x16 Bags
Answer first: a 10x12 x 4 in shed base needs 1.63 yd3 and 74 80-lb bags; a 10x16 needs 2.17 yd3 and 98 80-lb bags. Compare site-mix, ballast, and ready-mix.
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Concrete Estimator Hub
Bagged ConcreteJobsite guide
How Many Bags of Concrete for a 6x6 Slab? 22 Bags
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Bagged ConcreteUpdated 2026/07/27
How Many Bags of Concrete for a 6x6 Slab? 22 Bags
Answer first: a 6x6 slab at 4 inches needs 22 80-lb bags, or 0.49 yd3 with 10% waste. Compare pickup weight, mixer pace, and ready-mix only if timing is tight.
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Concrete Estimator Hub
Cost PlanningJobsite guide
Concrete Cost per Yard 2026: $145-$170 Ready-Mix
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Cost PlanningUpdated 2026/07/27
Concrete Cost per Yard 2026: $145-$170 Ready-Mix
Answer first: concrete cost per yard often screens around $145-$170 for standard ready-mix, but a 3 yd minimum, delivery, short-load fees, tax, and access can change the delivered total.
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Concrete Estimator Hub
DrivewaysJobsite guide
Driveway Widening Cost Guide: 24x6 Strip = 1.96 yd3
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DrivewaysUpdated 2026/07/27
Driveway Widening Cost Guide: 24x6 Strip = 1.96 yd3
Answer first: widening a 24 ft driveway by 6 ft at 4 in needs about 1.96 yd3 with waste. Check saw cut, tie-in, drainage, apron, permits, and quote scope.
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Concrete Estimator Hub
Concrete PlanningJobsite guide
Concrete Rebar Calculator: 20x20 = 31 Sticks
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Concrete PlanningUpdated 2026/07/27
Concrete Rebar Calculator: 20x20 = 31 Sticks
Answer first: a 20x20 slab rebar grid at 18 in spacing and 3 in edge clearance needs about 601 linear ft after 10% waste, or 31 common 20-ft sticks before cut-list and lap checks.
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Concrete Estimator Hub
Concrete PlanningJobsite guide
Shed Base Concrete Mix Calculator: 10x8, Bags vs Ready-Mix
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Concrete PlanningUpdated 2026/07/27
Shed Base Concrete Mix Calculator: 10x8, Bags vs Ready-Mix
Answer first: a 10x8 or 8x10 shed base at 4 in needs 1.09 yd3 or 50 80-lb bags. Compare ready-mix minimums, short-load fees, access, and quote scope.
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