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MaterialNest

Fencing estimator

Wood Fence Material Calculator

Turn measured fence runs and clear gate openings into a transparent takeoff for posts, vertical boards or panels, rails, fasteners, caps, and user-entered gate materials.

Enter measurements

Interactive estimator

Describe the measured fence

Physical and product values start blank. Load the worked example only when you want sample inputs.

01Layout and clear gates

02Posts and bays

Required product measurement
User-supplied design value; not a code default

03Boards or panels

04Rails and cuts

0 means kerf is not modeled
0 classifies every positive remainder as reusable

Available rail stock

05Fasteners and caps

Cap these post roles

06Separate contingencies

Optional pricing and gate materials

User-entered gate material lines

Runs in this browser; your measurements are not uploaded.

Clear measurements

Gates are entered face-to-face; post nodes and bays remain visible in the result.

Separate purchase effects

Contingency, kerf, reusable offcuts, and package surplus are reported separately.

Planning scope only

The tool does not design gates, footings, wind resistance, structure, permits, or code compliance.

What to measure first

  1. Sketch each connected or independent fence run and identify shared corners.
  2. Measure run lengths along the post centreline.
  3. Mark each gate as a clear face-to-face opening and record where that clear opening begins.
  4. Record actual post, board, panel, rail-stock, kerf, and package dimensions from the products you plan to use.

How the estimate is produced

The existing MaterialNest post-layout engine establishes shared endpoint, gate, and intermediate post nodes. Each resulting clear bay is then filled independently with vertical boards or panels. Rail cuts are assigned to selected stock lengths without silently shortening or splicing them.

Important limits

This first release supports vertical solid or spaced boards and preassembled panels on level, one-dimensional runs. Horizontal, shadowbox, board-on-board, sloped, racked, and structural gate designs are outside this calculator.

Five checked numerical examples

These documented scenarios use repeatable inputs so you can compare the displayed quantities with the published methodology. They do not approve a project design or product selection.

  1. Three ordinary spaced bays: 4 posts, 3 bays, 39 boards, 6 rail-stock pieces, 180 fasteners, and 2 packages.
  2. Four bays with a clear gate: 6 posts, 4 filled bays, 56 boards, 12 rail cuts, 384 fasteners, and 2 packages.
  3. Panel mode: 5 selected panels distributed across 2 measured bays; loose-board and rail requirements remain excluded.
  4. Rail-stock assignment: 70, 70, 40, and 40 inch cuts fit into two 120 inch pieces with one 20 inch reusable remainder.
  5. Fastener package rounding: 875 required fasteners become 5 packages of 200, leaving 125 package-surplus fasteners.

Common mistakes to avoid

  • Measuring gate width to post centres instead of the clear face-to-face opening.
  • Entering nominal board or rail sizes when the selected product has different actual dimensions.
  • Treating a materials result as a structural, footing, wind, gate, permit, or code design.

Frequently asked questions

Does this calculator design or approve the project?

No. It converts user-selected measurements and product data into a material takeoff within the limits stated above.

Can I enter metric measurements?

Yes. The calculator normalizes supported US customary and metric inputs before applying the same formulas.

Where can I inspect the arithmetic?

Use the methodology link beside this article to review variables, rounding, purchase allocation, and exclusions.

Related material calculators

Content and example calculations reviewed August 14, 2026. Verify selected products and local requirements before purchase.