Deck Footing Calculator

    Calculate concrete for deck footings

    in
    in

    Formula

    V = π × r² × depth

    Cylindrical footing volume for deck posts.

    Examples

    6 footings, 12"Ø, 42" deep

    ~14 bags of concrete.

    Frequently Asked Questions

    About Deck Footing

    Calculate concrete for deck post footings.