How to use this calculator
- Measure the project and enter the requested dimensions. Use actual product dimensions where the form asks for them.
- Replace the sample assumptions with the spacing, stock lengths, coverage, or prices that apply to your plan.
- Review the result, assumptions, and any limitation notice. Save the project locally or export a dated PDF for discussion.
Calculation methodology
The shared row layout calculates stock boards and linear footage; intersections with assumed joist lines drive the selected fastener count.
Intermediate values retain decimal precision. Physical purchase units are rounded up only at the purchasing step, so the tool does not silently understate whole boards, bags, boxes, or containers.
Worked example
Switching from parallel to diagonal increases layout length while leaving the editable price tied to the actual stock-board count.
Material and measurement considerations
- Follow the selected product's gap and fastening instructions.
- Starter clips, breaker boards, and trim may need separate line items.
- Pricing is entered by you.
Common mistakes
- Mixing clip counts with face-screw counts.
- Using nominal board width.
- Ignoring expansion requirements.
Frequently asked questions
Does this include proprietary clips?
It estimates connection quantity from your input; verify component type and extras with the manufacturer.
Sources and limitations
The estimator uses your measurements, standard geometry, unit conversion, and product data you enter. Product coverage, gaps, fastening, and installation details should come from the current manufacturer documentation for the exact material. Structural and permit requirements must be confirmed for the project location. No live price feed, fabricated standard, or universal structural rule is used.