Landscape Rock Calculator
Calculate decorative landscape rock, river rock, or boulders needed for gardens and yards. Get tons, cubic yards, and estimated cost.
๐ชจ Landscape Rock Calculator
Results
Volume25.00 cu ft
Volume0.9 cu yd
Weight1.2 tons
Estimated Cost$60.19
๐ก How to Calculate Landscape Rock
Landscape rock is sold by the ton or cubic yard. Different rock types have different densities: river rock weighs about 1.3 tons per cubic yard, lava rock is very light at 0.5 tons, and dense flagstone weighs about 1.5 tons per cubic yard.
A typical decorative rock bed is 2โ3 inches deep. For weed suppression under rock, install landscape fabric first. Order 5โ10% extra for irregular shapes and settling. For large areas, bulk delivery is more cost-effective than bagged rock.
A 10ร10 ft rock bed at 3 inches deep with river rock: 25 cu ft = 0.93 cu yd ร 1.3 tons/yd = 1.2 tons. At $50/ton, that is about $60 in material.