Skip to content
Free tools

Free dock calculators and planning tools

Price a dock, size its floats, price a boat lift and count the lumber. Every rate sourced. No account.

Updated

Pick a question, get a number

  1. How much will my dock cost?

    Dock cost calculator

    A planning price for your dock before you call a builder.

    You getLow, typical and high total, cost per sq ft, a sourced line-by-line breakdown.

    Price my dock
  2. How many floats do I need?

    Dock float calculator

    How many floats a floating dock needs, checked two ways.

    You getRule-of-thumb and load-check counts, float height empty and loaded, anchor weights.

    Size my floats
  3. What size lift, at what price?

    Boat lift cost calculator

    The lift your boat needs, the types that suit your water, and the price.

    You getLift capacity to buy, site fit for each type, hardware plus install, all-in.

    Price a lift
  4. How much lumber do I buy?

    Dock material estimator

    The framing take-off for a floating section, from Dock Builder’s own engine.

    You getRim, joists and supports with a buy list, deck boards, hardware, a float count.

    Count my materials

Each tool shows its formula and the published rates behind it, dated October 2026. Results are planning ranges, not quotes; material counts come from the same take-off engine the app runs.

Then draw it

Start from a printable plan with its material list, or draw your own layout in the free designer. It runs in your browser, no account needed.

Dock builders: give your customers this designer with your name on it

Phone · no accountBeach dock (demo)
The free designer on a phone, signed out: an L-shaped dock and gangway drawn to scale on an aerial photo of a beach, with the tool rail down the left and Layers, Properties and Feedback along the bottom.
Free · no account

Draw your dock tonight.

Open the designer on your phone or computer. Sign up free for the material list and a printable plan.