Length (ft) Enter the length of your area in feet (e.g., 20.5)

Width (ft) Enter the width of your area in feet (e.g., 4.0)

Depth (in) Enter the depth of pea gravel layer in inches (e.g., 2.5)

Common Depths

2 in 3 in 4 in 6 in

Click a common depth to auto-fill

Quick Examples:

Small Garden Pathway Residential Driveway Border

Calculate Clear

This calculator is for informational purposes only. Verify results with appropriate professionals for important decisions.

Use this free online Pea Gravel Calculator to calculate your pea gravel volume and weight. Simply enter your length, width, and depth to instantly get results in cubic yards and pounds. These estimates help you order the right amount of material for landscaping and construction projects.

How Pea Gravel Volume Is Calculated

Pea gravel volume is calculated by finding the total space the gravel will fill. The calculator multiplies length by width by depth to get cubic feet, then converts to cubic yards. This method works best for rectangular areas with even depth. The formula gives you a solid starting point for ordering materials.

The weight estimate uses a standard pea gravel density of 2,700 pounds per cubic yard. Actual weight may vary based on the specific type and moisture content of the gravel you purchase.

What Your Pea Gravel Result Means

Your result shows how much pea gravel you need to cover your project area. The volume in cubic yards tells you what to order from a supplier. The weight in pounds helps you plan for transportation and handling. Most suppliers sell pea gravel by the cubic yard or by the ton.

For a 2-inch depth, you get a thin layer good for pathways and decorative areas. A 3 to 4-inch depth works well for driveways and high-traffic spots. Deeper layers of 6 inches or more are best for play areas or heavy-use spaces.

Consider ordering 5-10% extra to account for settling, spreading, and uneven ground conditions.

Accuracy, Limitations & Common Mistakes of the Pea Gravel Calculator

How Accurate Is the Pea Gravel Calculator?

The calculator provides a good estimate for rectangular areas with flat surfaces. It uses standard measurements that match most supplier calculations. However, actual needs may differ due to ground conditions, gravel size, and how tightly the gravel packs down. The weight estimate assumes typical pea gravel density of 2,700 pounds per cubic yard.

Limitations of the Pea Gravel Calculator

This calculator works for simple rectangular or square areas only. It does not account for curved shapes, slopes, or uneven ground. The formula cannot adjust for compaction, which reduces volume after settling. It also does not include waste factors for spillage or over-excavation. For complex projects with curves or multiple levels, consider getting a professional estimate.

Common Mistakes to Avoid

• Measuring in the wrong units: Make sure length and width are in feet and depth is in inches.
• Forgetting to add extra: Order 5-10% more than calculated to cover settling and waste.
• Ignoring ground preparation: Account for base layers like landscape fabric or sand below the gravel.

Frequently Asked Questions

Who is this Pea Gravel Calculator for?

This calculator is for homeowners, landscapers, and DIY enthusiasts planning projects that need pea gravel. It works well for garden paths, driveways, playgrounds, and decorative landscaping. Professional contractors may also use it for quick estimates on small jobs.

How often should I use this calculator?

Use this calculator whenever you plan a new pea gravel project or need to refill an existing area. It is helpful during the planning phase to estimate costs and material needs. You can also use it to compare different depth options for the same area.

Does this calculator work for all types of gravel?

This calculator estimates volume only, which works for any type of gravel. However, the weight estimate is specific to pea gravel density. Other gravels like crushed stone or river rock have different densities and will weigh more or less per cubic yard.

Can I use this calculator for circular or irregular shaped areas?

This calculator is designed for rectangular areas. For circles, you can estimate by treating the area as a square with sides equal to the diameter. For irregular shapes, break the area into smaller rectangles, calculate each separately, and add them together.

Is the Pea Gravel Calculator free to use?

Yes, this calculator is completely free to use with no sign-up required. It works on any device with a web browser.