Gravel for 650 Square Feet

How much gravel or mulch for 650 sq ft, by depth.

Covering 650 sq ft at 3 inches deep needs about 6.02 cubic yards of gravel (~8.4 tons).
DepthCubic yardsWeight (gravel)
2" 4.01 cu yd5.62 tons
3" 6.02 cu yd8.43 tons
4" 8.02 cu yd11.23 tons
6" 12.04 cu yd16.85 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 6.02 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.