Gravel for 3,600 Square Feet

How much gravel or mulch for 3,600 sq ft, by depth.

Covering 3,600 sq ft at 3 inches deep needs about 33.33 cubic yards of gravel (~46.7 tons).
DepthCubic yardsWeight (gravel)
2" 22.22 cu yd31.11 tons
3" 33.33 cu yd46.67 tons
4" 44.44 cu yd62.22 tons
6" 66.67 cu yd93.33 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 33.33 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.