Calculate Your Project
Project Diagram
Total Volume
—Cubic Yards
Enter dimensions above
Estimated Weight
—Tons
Based on Gravel density (1.4 t/yd³)
Free Gravel Calculator
Gravel Calculator: Order the Right Amount
Gravel is sold by the ton but measured in yards. Our Gravel Calculator does both conversions instantly — so you order exactly the right amount from your quarry.
Common Driveway Sizes: Quick Gravel Estimate
| Single-car driveway (10×20 ft, 4 in) | 2.5 cu yd / 3.5 tons |
| Two-car driveway (20×20 ft, 4 in) | 5 cu yd / 7 tons |
| Two-car driveway (20×40 ft, 6 in) | 14.8 cu yd / 20.7 tons |
| Walkway (3×30 ft, 3 in) | 0.8 cu yd / 1.2 tons |
Gravel Reference Guide
Gravel Density & Weight Reference
| Measurement System | Total Volume | Estimated Weight |
|---|---|---|
| Imperial (US) | 1 Cubic Yards | 1.4 Tons (2,800 lbs) |
| Metric (EU) | 1 m³ | 1.83 Tonnes (1,831 kg) |
* Note: Exact weight can vary based on moisture content and compaction.
Gravel Costs in 2026 (per Ton)
| Crushed stone (#57 limestone) | $35 – $55 |
| Pea gravel | $30 – $50 |
| River rock (decorative) | $45 – $80 |
| Delivery (per load) | $50 – $150 |
Prices are 2026 US averages. Actual costs vary by region and supplier.
Recommended Depths for Gravel
| Project / Use Case | Recommended Depth |
|---|---|
| Driveway Base Layer | 4–6 inches |
| Driveway Top Layer | 2–3 inches |
| Walkway / Path | 2–3 inches |
| French Drain / Drainage | 12+ inches |
How to Calculate Gravel Volume
Most landscaping suppliers sell gravel by the cubic yard. To convert your project area to cubic yards, use this formula:
Volume (cu yd) = (Length × Width × Depth) ÷ 27
Our calculator also multiplies your cubic yard result by 1.4 tons/yd³ (the standard density for gravel) to show estimated weight — essential if you are hauling the material yourself or need delivery pricing.
Gravel Calculator: Tons vs Cubic Yards Explained
Gravel is sold by weight (tons) but measured by volume (cubic yards). This confuses many buyers. One cubic yard of dry gravel weighs approximately 1.4 tons (2,800 lbs). Wet gravel can weigh up to 1.6 tons per cubic yard.
When ordering, tell your quarry both numbers: "I need 10 cubic yards, which is about 14 tons." The calculator above shows you both measurements automatically so there is no confusion at the quarry.
Pro Tips & Insights
1
For driveways, use angular crushed stone (not round river rock) — the jagged edges lock together and resist shifting under vehicle weight.
2
Compact each 3-inch lift of gravel with a plate compactor before adding more layers.
3
Use landscape fabric under decorative gravel to block weeds and prevent the stone from sinking into the soil over time.
Frequently Asked Questions
How much gravel do I need for a driveway?▼
A standard residential driveway (20ft × 40ft) needs 4–6 inches of gravel base. At 4 inches deep: 9.9 cubic yards or ~13.8 tons. At 6 inches deep: 14.8 cubic yards or ~20.7 tons. Use the calculator above for your exact driveway dimensions.
Do I order gravel by the yard or the ton?▼
Quarries typically sell gravel by the ton, but volume is measured in cubic yards. 1 cubic yard of gravel ≈ 1.4 tons. Enter your dimensions above and we automatically show you both measurements.
How much does a yard of gravel weigh?▼
One cubic yard of dry gravel weighs approximately 2,800 lbs (1.4 tons). Wet gravel can weigh up to 3,200 lbs (1.6 tons) per cubic yard. A standard pickup truck can safely carry about 1 cubic yard; larger loads require a dump truck.
What is the best gravel for a driveway?▼
#57 crushed limestone or granite is the most popular driveway gravel. It is angular, compacts well, and provides excellent drainage. Pea gravel is attractive but shifts under vehicle tires and is better for decorative paths.
How deep should river rock be for landscaping?▼
For decorative landscape river rock, a depth of 2 to 3 inches is sufficient for weed suppression and aesthetics. For a drainage application (like a dry creek bed), you need 6 to 12 inches of river rock.