Gravel Calculator
Calculate the amount of gravel needed for your project. Estimate volume, weight, and cost based on area coverage and depth requirements.
Gravel Requirements
The following calculator helps estimate the amount of gravel needed to cover an area based on the desired density and depth of the gravel. It also estimates the cost of purchasing a given amount of gravel.
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Enter your area dimensions and gravel specifications, then click Calculate to determine material requirements.
Gravel Coverage Guide
Common Gravel Types & Uses:
- Pea Gravel: Pathways, playgrounds, drainage
- River Rock: Decorative landscaping, drainage
- Crushed Stone: Driveways, foundations, drainage
- Decomposed Granite: Pathways, patios, xeriscaping
- Lava Rock: Decorative mulch, lightweight fill
Recommended Depths:
- Walkways: 2-3 inches
- Driveways: 3-4 inches
- Decorative areas: 2-3 inches
- Drainage projects: 4-6 inches
- French drains: 6-12 inches
Planning Tips:
- Add 10% extra for settling and compaction
- Consider landscape fabric underneath to prevent weeds
- Account for edging materials to contain gravel
- Order slightly more than calculated for future maintenance
- Check local suppliers for bulk discounts
Installation Notes:
- Prepare and level the base area first
- Compact soil before adding gravel
- Use landscape fabric for weed control
- Install proper edging to prevent spreading
- Consider drainage needs in your design