Gravel for 3,350 Square Feet

How much gravel or mulch for 3,350 sq ft, by depth.

Covering 3,350 sq ft at 3 inches deep needs about 31.02 cubic yards of gravel (~43.4 tons).
DepthCubic yardsWeight (gravel)
2" 20.68 cu yd28.95 tons
3" 31.02 cu yd43.43 tons
4" 41.36 cu yd57.9 tons
6" 62.04 cu yd86.85 tons

Cubic yards suit bulk delivery; bagged material comes in 2 cu ft bags. Weight shown for gravel (~1.4 tons/yd); mulch is much lighter.

Have exact dimensions? Use the full Gravel & Mulch Calculator to enter length, width and depth.

Last reviewed: November 2026

Data sources: Standard volume and area formulas.

Disclaimer: Quantities are estimates from the area you entered; measure your actual space and add a waste allowance. Material and labor costs vary by region.

Frequently Asked Questions

At a 3-inch depth, about 31.02 cubic yards at 3 inches deep. Deeper coverage needs more — see the table for 2 to 6 inches.

Two inches for a top-up, three to four inches for a fresh path or mulch bed. The table shows the volume at each depth.