Gravel for 1,800 Square Feet

How much gravel or mulch for 1,800 sq ft, by depth.

Covering 1,800 sq ft at 3 inches deep needs about 16.67 cubic yards of gravel (~23.3 tons).
DepthCubic yardsWeight (gravel)
2" 11.11 cu yd15.56 tons
3" 16.67 cu yd23.33 tons
4" 22.22 cu yd31.11 tons
6" 33.33 cu yd46.67 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 16.67 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.