How many 80 lb bags of concrete are in a cubic yard?

Roughly 45 bags of 80 lb Quikrete per cubic yard (each bag yields about 0.60 cu ft; a yard is 27 cu ft).

How much does a yard of ready-mix concrete cost in 2026?

$155–$195 delivered in most US metros, plus short-load and Saturday fees. Small pours under 3 yards often trigger a $60–$150 short-load charge.

What waste factor should I add?

10% for a flat slab on grade, 15% for footings and columns where spillage and over-dig are common.

Is a 4-inch slab enough for a driveway?

4 inches with #3 rebar at 18" on center works for passenger cars; go to 5–6 inches for trucks or RVs.

Should I mix bags or order ready-mix?

Under about 1 cubic yard, bags win on convenience. Above 1 yard the labor math flips hard toward ready-mix.

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