Stone Calculator

Free tool — embed on your site for free.

Stone type

Bed shape

Length ft

Width ft

Diameter (circle) ft

Custom area sq ft

Depth in

Include landscape fabric? Yes

You need

Stone needed

0.62 cu yd / 0.79 tons

16.70 cu ft at 2.5" depth
If bagged (0.5 cu ft bags)

34 bags

Bagged is common for small beds; bulk is cheaper above ~20 bags.
Coverage area

80.00 sq ft

River rock (3-5") · suggested depth 2.5"

Decorative stone is permanent — do not mulch over it annually like wood mulch. Install landscape fabric underneath to keep soil from coming up through the rock.