How much landscape rock for 500 square feet?

Covering 500 sq ft with rock 2 inches deep takes 3.24 cubic yards — about 4.21 tons of river rock (5% extra included).

Change the numbers

The calculator below is pre-filled for this project. Adjust any value — including feet and inches — and the results update instantly.

sq ft
in
%
Add prices to estimate cost (optional)
$

Enter today’s prices from your store or supplier; we never guess prices for you.

Weights per cubic yard are typical; ask your landscape yard for theirs.

Your results

Rock needed4.21 tons
Volume3.24 cu yd
Weight8,426 lb
0.5 cu ft bags175
How much landscape rock for 500 square feet — diagram

Rock for 500 sq ft by depth

DepthCubic yardsTons (river rock)Tons (lava rock)
2 in3.244.211.62
3 in4.866.322.43
4 in6.488.433.24

The math

500 × 2 in ÷ 12 × 1.05 = 87.5 cu ft = 3.24 cu yd × 1.3 tons/yd³ = 4.21 tons

Common questions

How many tons of river rock for 500 sq ft?

About 4.21 tons at 2 inches deep.

Want the full method, tips and other sizes? See the landscape rock calculator guide.

Last reviewed November 1, 2026. Results are estimates — confirm with your supplier.

Similar sizes

Related calculators