Asked by: Hajnalka Loncan
asked in category: General Last Updated: 25th May, 2020

How do I calculate how much concrete I need for a deck slab?

How to calculate concrete:
  1. Determine how thick you want the concrete.
  2. Measure the length and width that you'd like to cover.
  3. Multiply the length by the width to determine square footage.
  4. Convert the thickness from inches to feet.
  5. Multiply the thickness in feet by the square footage to determine cubic feet.

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In this regard, how much concrete do I need for a deck post?

One 80-lb bag of concrete yields . 60 cubic feet when combined with 4 quarts of water. If you're purchasing 80-lb bags of concrete, you'll need 1.66 bags of concrete. As before, since bags of concrete are only sold in whole quantities, you'll need to purchase two (2) 60-lb.

Additionally, how much does a 12x12 concrete slab cost? The average cost for a standard 12′ x 12′ shed concrete slab costs roughly: $720 – $1,200. or $6 – $10.00 per square foot.

Similarly, it is asked, how much concrete do I need for a 12x16 slab?

Concrete costs from $113 to $126 per cubic yard or between $2.83 to $3.57 per square foot depending on the thickness of the slab poured. It will cost an additional $2.52 to $2.60 per square foot for the labor.

How much concrete do I need for a 40x60 slab?

Starting with the foundation. How much does a 40×60 concrete slab cost? It would be about $8,500 to $12,000 for a 40×60 foot concrete slab, 6 inches thick. That's based on national averages of around $5 per square foot for a fully engineered, finished concrete slab, including labor and materials.

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