Reference Chart

    Gravel Coverage Chart

    How far a ton of gravel goes, at every common depth. Use it to sanity-check a quote or to work out what you can cover with the stone you already have.

    Coverage per cubic yard

    A cubic yard is 27 cubic feet regardless of the stone, so this table is the same for every material.

    DepthSquare feet coveredEquivalent square
    1"324 sq ft18 ft × 18 ft
    2"162 sq ft13 ft × 13 ft
    3"108 sq ft10 ft × 10 ft
    4"81 sq ft9 ft × 9 ft
    6"54 sq ft7 ft × 7 ft
    12"27 sq ft5 ft × 5 ft

    Coverage per ton, by material

    This one does vary by stone, because a ton of a dense material occupies less volume. Figures are square feet covered by one ton.

    MaterialTons/yd³1"2"3"4"6"12"
    Crusher Run / #411 (base)1.521610872543618
    #57 Crushed Stone (3/4")1.423111677583919
    #8 Crushed Stone (3/8")1.423111677583919
    #4 Crushed Stone (1.5")1.3524012080604020
    Pea Gravel (3/8" rounded)1.3524012080604020
    River Rock (1" – 2")1.3524012080604020
    Decomposed Granite1.423111677583919
    Crushed Limestone1.4522311274563719
    Marble Chips1.3524012080604020
    Coarse / Bedding Sand1.3524012080604020

    Quick tonnage by area

    Tons of crushed stone needed, before waste allowance, at common depths.

    Area2" deep3" deep4" deep6" deep
    100 sq ft0.9 t1.3 t1.7 t2.6 t
    200 sq ft1.7 t2.6 t3.5 t5.2 t
    400 sq ft3.5 t5.2 t6.9 t10.4 t
    600 sq ft5.2 t7.8 t10.4 t15.6 t
    800 sq ft6.9 t10.4 t13.8 t20.7 t
    1,000 sq ft8.6 t13.0 t17.3 t25.9 t
    1,500 sq ft13.0 t19.4 t25.9 t38.9 t
    2,000 sq ft17.3 t25.9 t34.6 t51.9 t

    Add 10% to any of these for compaction and settling. The coverage calculator does it for you, and works backwards from a quantity you already have.

    The rule of thumb worth memorising

    One ton of crushed stone covers about 100 square feet at 2 inches deep. Halve the area if you double the depth. It is close enough to check any quote in your head.

    Gear for spreading gravel

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    Frequently asked questions

    How much area does 1 ton of gravel cover?

    About 100 square feet at 2 inches deep, 67 square feet at 3 inches, or 50 square feet at 4 inches, for typical crushed stone at 1.4 tons per cubic yard.

    How much does a yard of gravel cover?

    One cubic yard covers about 162 square feet at 2 inches, 108 square feet at 3 inches, and 81 square feet at 4 inches deep.

    How many square feet will 5 tons of gravel cover?

    Roughly 500 square feet at 2 inches deep, or 250 square feet at 4 inches, using crushed stone at 1.4 tons per cubic yard.

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