Free Gravel Calculator
Quickly estimate the volume, weight, and cost of gravel needed for your landscaping or construction project. Perfect for driveways, walkways, drainage, and more.
🧮 Step 1: Select Your Gravel Type
Pea Gravel
Small, rounded stones (3/8")
River Rock
Smooth, rounded stones (1-2")
Crushed Stone
Angular, crushed rock (3/4")
Drainage Gravel
Larger stones (1-1/2")
📏 Step 2: Enter Your Project Dimensions
Calculation Results
📋 Gravel Coverage Guide
Different gravel depths are recommended for different applications:
| Application | Recommended Depth | Coverage (1 cubic yard) |
|---|---|---|
| Walkways | 2-3 inches | 100-150 sq ft |
| Driveways | 4-6 inches | 50-75 sq ft |
| Drainage Areas | 6-8 inches | 35-50 sq ft |
| Landscaping | 2-4 inches | 75-150 sq ft |
| French Drains | 8-12 inches | 25-35 sq ft |
💡 Pro Tip
For driveways, consider using a base layer of larger crushed stone (2-4 inches deep) topped with a 2-inch layer of smaller gravel for better stability and drainage.
Gravel Types and Their Uses
Pea Gravel
Size: 3/8 inch
Best for: Walkways, patios, playgrounds, and decorative landscaping
Features: Smooth, rounded texture that's comfortable to walk on
River Rock
Size: 1-2 inches
Best for: Decorative borders, dry creek beds, and water features
Features: Smooth, polished appearance with varied colors
Crushed Stone
Size: 3/4 inch
Best for: Driveways, pathways, and as a base for patios
Features: Angular edges that lock together for stability
Drainage Gravel
Size: 1-1/2 inches
Best for: French drains, retaining wall backfill, and drainage systems
Features: Large size allows for excellent water flow
📝 How to Use This Gravel Calculator
- Select your gravel type based on your project needs
- Choose your preferred unit system (Imperial or Metric)
- Select the shape of your project area (rectangular, circular, or triangular)
- Enter the dimensions of your project area
- Specify the depth of gravel needed
- Enter the price per cubic yard of gravel in your area
- Select a waste factor appropriate for your project
- Click "Calculate" to get your results
The calculator will provide the volume of gravel needed, estimated weight, cost, and equivalent number of bags for your project.
⚠️ Important Note
This calculator provides estimates only. For large projects, it's recommended to consult with a landscaping professional to determine exact requirements.
🔍 Additional Considerations
Site Preparation
Proper site preparation is essential for a successful gravel installation:
- ✓ Remove all vegetation, roots, and organic material from the area
- ✓ Grade the area to ensure proper drainage away from structures
- ✓ Compact the soil to create a solid foundation
- ✓ Install landscape fabric to prevent weed growth and gravel sinking
- ✓ Consider installing edging to contain the gravel
Delivery Considerations
When ordering gravel for delivery:
- ✓ Most suppliers have a minimum order quantity (typically 1 cubic yard)
- ✓ Delivery trucks need adequate access to your property
- ✓ Designate a flat, accessible area for the gravel to be dumped
- ✓ Consider how you'll move the gravel from the dump site to your project area
- ✓ Ask about delivery fees, which may vary based on distance
Maintenance Tips
To keep your gravel looking good and functioning properly:
- ✓ Rake periodically to maintain an even surface
- ✓ Add new gravel every 1-2 years to replace material that has sunk or scattered
- ✓ Use a leaf blower to remove debris from decorative gravel
- ✓ Apply weed killer or vinegar solution to control weeds
- ✓ Consider installing a snow marker for areas that require snow removal