Gravel Calculator

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How Many Bags of Fill Dirt Do I Need?

Enter your area, the depth and the bag size printed on the bag. You get the number of bags of fill dirt, the volume and the weight.

ft
ft
ft
sq ft
in
Set the depth to the low spot you are filling.
tons
Change it to your supplier's figure.
%
Rochester Concrete Products' install guide adds 10% for compaction and uneven ground.
cu ft
Read the bag size off the label.
$

Enter your numbers and press Calculate.

Bags per cubic yard

Bags = cubic feet needed ÷ cubic feet per bag, rounded up.

Bag sizeBags per cubic yardBags for 10 × 10 ft at 6 in
0.5 cu ft54100
0.75 cu ft3667
1 cu ft2750
1.5 cu ft1834
2 cu ft1425
3 cu ft917

Quikrete's 50 lb all-purpose gravel bag holds about 0.5 cubic feet, so 54 of them make one cubic yard.

Weight to carry

Every cubic foot of fill dirt weighs about 76 lb. Check your vehicle's payload before you load a trip's worth of bags.

Common questions

How many 0.5 cu ft bags of fill dirt make a yard?

54 bags, because a cubic yard is 27 cubic feet.

How many bags of fill dirt cover 100 sq ft?

At 6 inches deep you need 50.0 cubic feet, which is 100 bags of 0.5 cu ft or 25 bags of 2 cu ft.

Related calculators

Sources

  • https://www.doitbest.com/product/276837/
  • https://homeguide.com/costs/fill-dirt-sand-topsoil-cost