Gravel for a 40×40 ft Parking Pad at 6 Inches Deep
A 40×40 ft gravel parking area at 6 inches deep requires approximately 29.6 cubic yards of gravel.
How to use this tool
- Enter the length and width of the area in feet.
- Enter the desired gravel depth in inches.
- The calculator returns cubic feet, cubic yards, and approximate tons.
A 40×40 ft gravel parking pad — great for RVs or extra vehicles — needs about 30 cubic yards at 6 inches deep.
Frequently asked questions
- How much gravel do I need for a driveway?
- Driveways typically need 4–6 inches of gravel depth. Multiply length × width × depth (in feet) ÷ 27 for cubic yards. One cubic yard weighs about 1.4 tons.
- How many tons of gravel per cubic yard?
- Pea gravel and crushed stone weigh approximately 1.4 tons per cubic yard. Denser materials like limestone gravel can weigh up to 1.5 tons per cubic yard.