Complete Guide: How Many Tons of Gravel Do You Need for a Driveway?
A gravel driveway calculator converts your driveway's length, width, and depth into the exact number of tons of gravel you need to order. This free tool applies standard gravel density figures by material type, so you don't over-order or come up short mid-project.
💡 Quick Summary
Volume (cubic yards) = length × width × depth ÷ 27, then multiplied by your gravel type's density (roughly 1.3-1.5 tons per cubic yard) to get total tons.
How Deep Should a Gravel Driveway Be?
- 4 inches: Standard depth for a typical residential driveway with light vehicle traffic.
- 6+ inches: Recommended for driveways with heavier vehicles, poor soil drainage, or a base layer plus a top layer of finer gravel.
- Multi-layer approach: Many driveways use a coarser base layer topped with a finer decorative layer for the best durability.
Step-by-Step Instructions
- Enter your driveway's length and width in feet.
- Enter your desired gravel depth in inches.
- Select your gravel type to apply the correct density.
- Click ⚡ Calculate Gravel Needed.
- Review your total tons needed, then use 📋 Copy Summary to save your results for your gravel supplier.
Tip: Gravel suppliers typically sell by the ton, so ordering slightly more than the exact calculated amount (5-10% extra) is common practice to account for compaction and settling.