Pergola
Calculate Pergola instantly with the exact formula and a worked example.
Pergola
Lengthm
Widthm
Post heightm
Post spacingm
Cross beam spacingm
Timber lengthm
Timbers
18pcs
Posts
6pcs
Cross beams
10pcs
Timbers for main beams
2pcs
Total linear meters
72.2m
More about: Pergola
What it calculates
The “Pergola” calculator computes Timbers in pcs from 6 parameters: length (m), width (m), post height (m), post spacing (m), cross beam spacing (m), timber length (m).
Used in design, material estimation, and structural calculations.
Example calculation
With parameters Length = 5 m, Width = 4 m, Post height = 2.5 m, Post spacing = 2.5 m, Cross beam spacing = 0.6 m, Timber length = 6 m the result is 18 pcs (0.3 m overhang on each side).
How to use
- Enter length, width, post height, post spacing, cross beam spacing and timber length — each field above is adjustable with a slider.
- Timbers (pcs) is calculated automatically as you type.
- Check the worked example below to see the formula applied to real numbers.
- Copy the result or bookmark this calculator.
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FAQ
How is Pergola calculated?
The Pergola calculator computes Timbers (in pcs) from length, width, post height, post spacing, cross beam spacing, timber length. Enter your values above and the exact formula is applied instantly; a worked example with real numbers is shown below.
Is the Pergola calculator free?
Yes. It is completely free, needs no signup, runs entirely in your browser, and sends no data to any server.
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