CalcMyMaterials

How much gravel for a 30 ft × 40 ft?

A 30 ft × 40 ft gravel project is pre-filled below. Adjust any value to match your exact job.

Quick answerA 30 ft × 40 ft gravel project needs 15.56 tons — buy 16.33 to cover waste — about $653.2–$1,061.45 in materials (US national average, 2026).
Your project
Standard size shown by default. Change any value — the answer recomputes instantly.
You need
16.33tons
Exact need: 15.56 tons · plus 5% waste allowance
Material cost
$653.2–$1,061.45
Installed (US avg)
$1,877–$2,717
Shopping list
Items to buy with quantity and price range
ITEMQTYPRICE RANGE
tons16.33$653.2–$1,061.45
Estimated material total$653.2–$1,061.45
Alternative buy formats
  • 11.67 × cubic yards — $408.45–$700.2

30 ft × 40 ft at different depths

30 ft × 40 ft footprint of gravel / crushed stone
DepthYou needBuy (with waste)Material cost
1″5.19 tons5.44 tons$217.6 – $353.6
2″10.37 tons10.89 tons$435.6 – $707.85
3″15.56 tons16.33 tons$653.2 – $1,061.45
4″20.74 tons21.78 tons$871.2 – $1,415.7
6″31.11 tons32.67 tons$1,306.8 – $2,123.55

Other sizes