Pea Gravel Calculator
Estimate pea gravel needed for paths, playgrounds, and drainage.
Pea Gravel Calculator
What This Calculator Does
The Pea Gravel Calculator computes the cubic yards and tons of pea gravel needed for pathways, playgrounds, drainage beds, and decorative landscaping. Enter the area and depth to get the volume, weight, and recommended order amount with waste.
Pea gravel (3/8-inch to 1/2-inch smooth, rounded stones) is a popular decorative aggregate used for pathways, playground surfaces, garden borders, and as a topdressing over weed barrier fabric. Unlike crushed stone, pea gravel does not compact into a solid surface - it remains loose, making it ideal for areas where you want drainage and a natural appearance. Its density is slightly lower than crushed stone at approximately 1.35 tons per cubic yard.
The calculator provides cubic yards for bulk ordering and tons for weighed delivery, plus the +10% waste line so you don't come up short for edge details and filling irregularities.
How to Use
- Measure the length and width of the area in feet.
- Select the desired depth: 2 in for light ground cover, 3 in for standard paths.
- Enter dimensions into the calculator fields above.
- Click "Calculate" to get cubic yards and tons.
- Order from your landscape supply yard - pea gravel is sold by cubic yard or ton.
Reference Table
| Path Area | Depth 2 in | Depth 3 in | Depth 4 in | Tons (3 in) |
|---|---|---|---|---|
| 5 x 20 ft | 0.62 cu yd | 0.93 cu yd | 1.23 cu yd | 1.3 tons |
| 10 x 20 ft | 1.23 cu yd | 1.85 cu yd | 2.47 cu yd | 2.5 tons |
| 10 x 40 ft | 2.47 cu yd | 3.70 cu yd | 4.94 cu yd | 5.0 tons |
| 15 x 30 ft | 2.78 cu yd | 4.17 cu yd | 5.56 cu yd | 5.6 tons |
| 20 x 50 ft | 6.17 cu yd | 9.26 cu yd | 12.35 cu yd | 12.5 tons |
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