Stone Calculator – Estimate Stone Volume, Weight & Bags
Whether you're working on a retaining wall, garden path, decorative stone border, or drainage solution, this stone calculator helps you determine how much material you need. Just enter your area dimensions and preferred stone type, and get instant estimates.
Why Use This Tool?
- Supports both imperial and metric units
- Works with circle and rectangle shapes
- Includes preset and custom stone densities
- Calculates volume in cubic yards or meters
- Gives estimates in weight and bulk bags
Formulas Used
Imperial: (L × W × D in feet) ÷ 27 = yd³; ft³ × density ÷ 2000 = tons
Metric: (L × W × D in meters) = m³; m³ × density (kg/m³) ÷ 1000 = tonnes
Always add ~10% to your order to account for compaction, spillage, and surface leveling.