Pea Gravel Calculator
One ton of pea gravel covers about 100 square feet at 2 inches deep; a cubic yard covers 162 square feet at that depth.
Pea gravel is rounded 3/8-inch stone sold loose by the ton or bagged by the half cubic foot. Two inches is enough for beds and paths; play areas and patios usually want three.
Pea Gravel calculator
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- Area covered
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- Cubic feet
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- Weight
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- 0.5 cu ft bags
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- Estimated cost
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2,700 lb/yd³ is typical for dry rounded 3/8-inch pea gravel. Wet gravel weighs roughly 5 percent more. Estimates only — confirm with your supplier before ordering.
Pea Gravel coverage per cubic yard
| Depth | Coverage per cubic yard | Yards per 500 sq ft |
|---|---|---|
| 1" | 324 sq ft | 1.54 yd³ |
| 2" | 162 sq ft | 3.09 yd³ |
| 3" | 108 sq ft | 4.63 yd³ |
| 4" | 81 sq ft | 6.17 yd³ |
| 6" | 54 sq ft | 9.26 yd³ |
Pea Gravel questions people actually ask
- How much does a ton of pea gravel cover?
- About 100 sq ft at 2 inches, 67 sq ft at 3 inches and 50 sq ft at 4 inches deep.
- How deep should pea gravel be?
- Two inches over landscape fabric for beds, three inches for walkways and patios, and three to four for play areas where cushioning matters.
- Does pea gravel need a base?
- For a patio or driveway, yes — three to four inches of compacted crushed stone underneath keeps the rounded gravel from migrating. Beds only need fabric.
Gear for a pea gravel job
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Related calculators
- Gravel CalculatorOne cubic yard of gravel weighs about 1.4 tons and covers roughly 81 square feet at 4 inches deep — the standard depth for a driveway layer.
- Stone CalculatorOne ton of landscape stone covers about 80 to 100 square feet at 2 inches deep; a cubic yard weighs roughly 1.4 tons.
- River Rock CalculatorOne ton of river rock covers about 70 to 80 square feet at 3 inches deep, depending on stone size.
- Paver CalculatorA 12 × 12 inch paver covers exactly 1 square foot, so a 200 square foot patio needs 200 pavers plus about 10 percent for cuts.
How this number is calculated
2,700 lb/yd³ is typical for dry rounded 3/8-inch pea gravel. Wet gravel weighs roughly 5 percent more. Volume is area × depth, converted to cubic yards by dividing cubic feet by 27. See all our assumptions.