MEASURED QUANTITY SENSITIVITY

Fence board — actual board width scenarios.

How does changing actual board width affect fence board when the other inputs stay fixed?

What this decision changes

This measured quantity or supplied dimension enters the method on its stated unit basis. Other inputs stay fixed so its effect can be separated from net deductions, stock constraints or purchase rounding. Method basis: The count estimates coverage with the specified gap. It does not prescribe a safe or suitable gap.

The focus is actual board width. All other shared inputs remain fixed for each evaluated range.

Boards = ceil((run + gap) ÷ (board width + gap))Fence Board Calculator

Evaluate your supplied alternatives

Start with your measured plan and selected product data. The initial values and range are illustrative. Each scenario changes only actual board width; the other entered values stay fixed.

Display units

Measured plan and product inputs

Solid run length (exclude gates)

Where to get this value

Measure this dimension in your plan or on site and use the displayed unit. For irregular shapes, divide the geometry into the supported sections.

Actual board width

Where to get this value

Measure this dimension in your plan or on site and use the displayed unit. For irregular shapes, divide the geometry into the supported sections.

Specified gap

Waste allowance

Shortcuts only; choose your own allowance above.

Where to get this value

Enter your own allowance. Presets are input shortcuts, not a construction recommendation.

Supplied comparison range for actual board width

Lower supplied comparison value

Where to get this value

Measure this dimension in your plan or on site and use the displayed unit. For irregular shapes, divide the geometry into the supported sections.

Upper supplied comparison value

Where to get this value

Measure this dimension in your plan or on site and use the displayed unit. For irregular shapes, divide the geometry into the supported sections.

Nine evenly spaced values are evaluated. Whole counts are rounded to distinct integer scenarios. Values between the listed samples are not calculated.

9 evaluated scenarios

Baseline: Boards to purchase — 110 boards. Rejected combinations remain visible below.

Quantity to plot

Each bar is one actual calculated boards to purchase. Horizontal values: actual board width in mm.

Actual board width	Boards to purchase	Change from baseline	Use this scenario
60 mm	184 boards	74 boards	Open in calculator Exact quantity breakdown Base board count 167 Solid run length 10 m
72.5 mm	152 boards	42 boards	Open in calculator Exact quantity breakdown Base board count 138 Solid run length 10 m
85 mm	130 boards	20 boards	Open in calculator Exact quantity breakdown Base board count 118 Solid run length 10 m
97.5 mm	114 boards	4 boards	Open in calculator Exact quantity breakdown Base board count 103 Solid run length 10 m
110 mm	101 boards	-9 boards	Open in calculator Exact quantity breakdown Base board count 91 Solid run length 10 m
122.5 mm	91 boards	-19 boards	Open in calculator Exact quantity breakdown Base board count 82 Solid run length 10 m
135 mm	83 boards	-27 boards	Open in calculator Exact quantity breakdown Base board count 75 Solid run length 10 m
147.5 mm	75 boards	-35 boards	Open in calculator Exact quantity breakdown Base board count 68 Solid run length 10 m
160 mm	70 boards	-40 boards	Open in calculator Exact quantity breakdown Base board count 63 Solid run length 10 m

Read the evaluated results

Read calculated demand, whole purchases and exact detail lines separately. This specific input may change quantity continuously, cross a purchase step or make the stated geometry or stock fit invalid.

Replace every illustrative baseline measurement and selected product value with the inputs for your actual task.
Enter a comparison range on the focused input's stated unit and quantity basis.
Review rejected combinations and use the exact detail lines to distinguish measured demand from whole purchases.
Open an evaluated scenario in the full calculator to save its original inputs and quantity breakdown to a browser material project.

Keep the comparison within scope

Compare measurements or already specified alternatives. Quantity sensitivity does not establish material suitability or construction requirements.

Only quantities from supplied dimensions and specifications are calculated.

No material-property reference values are bundled; obtain product values from the selected supplier's data sheet.

Only the listed samples are evaluated. Intermediate values, alternate constraints and global cutting optimality are not inferred from the graph.

Continue with this quantity method

Fence Board Calculator

Other independent input decisions

Prepare the actual material data

Quantity method and illustrative scenarios checked 6 October 2026. Methods and scope.