To estimate how much flagstone, strip stone or wall rock will cover a certain area:

Flagstone & Rock Material Coverage Chart

Type of stone Area Covered Per Ton of Material
Flagstone ⅜” – ⅝” thick 400 sq. ft.
Flagstone ⅜” – ¾” thick 250 sq. ft.
Flagstone ¾” – 1 ¼” thick 175 sq. ft.
Flagstone up to 1½” thick 120 sq. ft.
Flagstone up to 2” – 2¼” thick 80 sq. ft.
2” – 4” rock 60 sq. ft.
4” – 8 ” rock 40 sq. ft.
4” strip stone 55 sq. ft.
8” wall rock 20 sq. ft.
These conversions are approximate and are for only the categories listed.

To estimate how many yards of material you will need for your landscaping or gardening project, click here