Gravel for a 24×36 Area at 3" Deep
Covering a 24×36 area 3 inches deep takes about 10.8 tons of gravel (8.00 cubic yards). Change the size or depth below — driveways usually run 4–6".
Gravel needed
10.8 tons
Area
864 sq ftat 3" deep
Gravel needed
10.8 tons8.00 cubic yards
Delivered cost (est.)
$486~$45/ton crushed gravel
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How this is calculated
Mulch volume = bed area × depth. We convert cubic feet to cubic yards for bulk delivery and to 2-cu-ft bags for the bagged option, so you can compare cost both ways.