Deck board estimator
Deck board estimator: calculate a transparent estimate from the values and assumptions you provide.
Your inputs stay in your browser. Displayed results are rounded to a maximum of 12 significant digits.
Method and assumptions
Method version 1.0.0 · Updated
Calculate
Formula: ⌈width / (board width + gap)⌉ × ⌈length / board length⌉
Deck board estimator: calculate a transparent estimate from the values and assumptions you provide.
- deckLength
- Deck length (m)
- deckWidth
- Deck width (m)
- boardWidth
- Usable board width (m)
- gapMm
- Gap between boards (mm)
- boardLength
- Board length (m)
Simple layout estimate; excludes complex offcuts and the supporting frame.
Calculate with code
These short examples use the same inputs and core calculation as this tool. Adapt validation and formatting to your application.
JavaScript
const rows = Math.ceil(4 / (0.14 + 0.005)); // 28