River Rock Calculator
Calculate cubic yards, tons, and bags of river rock needed for any landscaping project.
Area Shape
Rock Type
Density: 1.35 tons/yd³
%
$
Cubic Yards Needed
0
yd³ (includes overage)
0Cubic Feet
0Tons
0Pounds
0Bags (0.5 ft³)
0Bags (0.8 ft³)
0Area (sq ft)
River Rock Coverage Reference
| Depth | 100 sq ft | 250 sq ft | 500 sq ft | 1,000 sq ft |
|---|---|---|---|---|
| 2 inches | 0.62 yd³ | 1.54 yd³ | 3.09 yd³ | 6.17 yd³ |
| 3 inches | 0.93 yd³ | 2.31 yd³ | 4.63 yd³ | 9.26 yd³ |
| 4 inches | 1.23 yd³ | 3.09 yd³ | 6.17 yd³ | 12.35 yd³ |
| 6 inches | 1.85 yd³ | 4.63 yd³ | 9.26 yd³ | 18.52 yd³ |
Recommended Depth by Project Type
| Project Type | Recommended Depth |
|---|---|
| Decorative garden bed | 2 to 3 inches |
| Weed suppression | 3 to 4 inches |
| Pathway or walkway | 3 to 4 inches |
| Drainage / French drain | 4 to 6 inches |
| Driveway edging | 4 to 6 inches |
| Water feature surround | 2 to 3 inches |