How much gravel do I need for a 10x10 area?

For a 10×10 ft area at 3 inches deep, you need approximately 0.93 cubic yards or about 1.3 tons of gravel. For a 10×10 meter area at 7.5 cm deep, you need about 7.5 cubic meters or 12 metric tons.

How many tons of gravel in a cubic yard?

This depends on gravel type. Pea gravel: ~1.3 tons per cubic yard. Crushed stone: ~1.35 tons. River rock: ~1.28 tons. Lava rock: only ~0.67 tons due to lower density.

How deep should gravel be for a driveway?

A typical gravel driveway needs 4-6 inches of base gravel (crusher run) topped with 2-3 inches of finishing gravel. Total depth should be 6-9 inches for light traffic, up to 12 inches for heavy vehicles.

What is compaction factor for gravel?

Compaction factor accounts for gravel settling when compacted. Typically 10-15% extra material is needed. Crushed stone compacts more (15%) than rounded gravel (10%) due to its angular shape.

How much does gravel delivery cost?

Delivery typically costs $50-150 for local deliveries under 10 miles. Many suppliers include free delivery for orders over 5-10 tons. Per-ton delivery fees range from $10-20.

Can I use gravel instead of concrete?

Yes, gravel driveways and patios are cost-effective alternatives to concrete. Gravel costs $1-3 per square foot vs. $4-8 for concrete. However, gravel requires periodic maintenance and replenishment.

How do I calculate gravel for irregular shapes?

For irregular shapes, divide the area into rectangles and circles, calculate each separately, then add them together. For curves, use the average width. Always add 15% extra for irregular edges.

What's the difference between crushed stone and gravel?

Crushed stone is mechanically broken with angular edges that interlock when compacted. Gravel refers to naturally rounded stones. Crushed stone is better for driveways and foundations; round gravel is better for decorative use.

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Gravel Calculator

Calculate how much gravel you need for your landscaping, driveway, or construction project. Get volume, weight, and cost estimates for pea gravel, crushed stone, and more.

Last updated: January 16, 2026

Unit System

Length (ft)

Width (ft)

Depth (in)

Gravel Type

Compaction Factor10%

Gravel Estimate

Coverage Area100.00 sq ft

Volume Needed1.02 cu yd

Weight1.33 tons

50 lb Bags Needed54 bags

Estimated Cost

Material Cost$46.68

Delivery Cost$50.00

Total$96.68

This calculator provides estimates for planning purposes. Actual gravel requirements may vary based on soil conditions, compaction level, and gravel type. We recommend ordering 10-15% extra material.

Prices vary by region, supplier, and delivery distance. Bulk delivery is typically more economical for orders over 2 cubic yards.

830 people find this calculator helpful

How to Calculate Gravel

Calculating gravel requirements accurately is essential for any landscaping or construction project. Whether you're building a driveway, creating a patio base, or designing a garden path, knowing exactly how much gravel you need saves money and prevents project delays. Gravel is sold by cubic yard or by ton, and different types have different densities. Our calculator helps you determine the exact volume and weight needed, plus estimates costs for materials and delivery.

Gravel Calculation Formulas

Volume

Volume (cu ft) = Length × Width × Depth

Calculate total volume by multiplying all three dimensions. Convert depth from inches to feet by dividing by 12.

Cubic Yards

Cubic Yards = Volume (cu ft) ÷ 27

There are 27 cubic feet in one cubic yard. This is the standard measurement for bulk gravel orders.

Weight (Tons)

Tons = (Cubic Feet × Density) ÷ 2000

Gravel density varies by type (90-105 lbs/cu ft). Divide total pounds by 2000 to get US tons.

Gravel Types

Pea Gravel

Small, rounded stones (1/8" to 3/8" diameter) ideal for pathways, playgrounds, and decorative landscaping. Comfortable underfoot and drains well. Average density: 97 lbs/cu ft.

Crushed Stone

Angular stones created by crushing larger rocks. Available in various sizes (#57, #67, #1). Excellent for driveways and base layers as it compacts well. Average density: 100 lbs/cu ft.

River Rock

Smooth, rounded stones shaped by water erosion. Size ranges from 1" to 5". Popular for decorative borders, dry creek beds, and water features. Average density: 95 lbs/cu ft.

Decomposed Granite

Finely crushed granite creating a natural, stable surface. Perfect for pathways, patios, and xeriscaping. Compacts into a firm surface. Average density: 100 lbs/cu ft.

Lava Rock

Lightweight volcanic rock available in red or black. Excellent for mulching around plants as it retains moisture and moderates soil temperature. Average density: 50 lbs/cu ft.

Base Gravel (Crusher Run)

Mix of crushed stone and stone dust. Compacts extremely well for foundations, driveways, and under pavers. Provides excellent drainage and stability. Average density: 105 lbs/cu ft.

How to Use This Calculator

Enter the length and width of the area to cover
Input the desired depth (2-4 inches for landscaping, 4-6 inches for driveways)
Select the type of gravel for your project
Adjust the compaction factor if needed (10% is typical)
Review volume, weight, and cost estimates

Tips for Gravel Projects

For driveways, use 4-6 inches of base gravel topped with 2-3 inches of finishing gravel
Install landscape fabric beneath gravel to prevent weed growth and sinking
Order 10-15% extra material to account for compaction, spillage, and irregular shapes
Bulk delivery (1+ ton) is typically cheaper per ton than bagged gravel from stores
Edge restraints or borders help keep gravel in place and maintain clean lines

Frequently Asked Questions