Timber Fence Calculator - Posts Rails Palings Pickets - Spacing and Materials + Costs
, Post Centres
and Post Width
to re-draw diagram showing post spacing.
Select Adjust One End
to keep all spacings as entered and adjust the last space to suit.
If last space is small, or you want each end space to be equal, select Adjust Both Ends
to divide the 2 end spaces evenly.
To calculate all centres evenly, at or nearest under entered spacing, select Adjust All Centres
Running Post Centres (to
of each post)
Running paling points (to Near Side of each paling)
For a single stand alone fence with 2 ends, and no end corners, select No Corners
. If 1 end of the fence returns (has a corner) select 1 End Corner
If both ends return, select 2 End Corners
. With corners, the first post is adjusted in equal to the thickness of the rail. See the diagram above for details.
Or drag the Length slider down to ~ 4000, select each corner option and see how the post measurements move in the top diagram.
in Paling Gap / Lap to calculate palings overlapped, and draw a paling overlap diagram showing spacing.
Paling Lap is calculated at nearest over or equal to 0.25 x paling width, to fit full palings. (no end cuts).
The first rail (left side diagram) starts outside the centre of the first post.
If you select Adjust One End
and Adjust 1st Centre
the first centre (space between posts 1 and 2) is adjusted smaller so a rail at length 2 times centres will span the first 3 posts.
Eg: if you use 4800 Rail Length and 2400 Post Centres, the adjustment closes the first post spacing so the 3rd post centre is at 4800. 1 x 4800 rail will span the first 2 openings.
Calculate Paling End Gauge from 'Length to Go'
Enter Paling Width and Length to Go from far side edge of current paling to end of fence (outside edge of last paling)
to calculate possible gaps and number of palings to fit evenly.
Select Mark Every number and click entries in list for running measurements.
Paling - To Near Side of Palings
If you're cutting blocks, concrete, stone or ANYTHING
and there's DUST - DON'T TAKE THE RISK
Don't cut it, or cut it wet so there's NO DUST
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All calculators on this site are geometric only.
Check relevant local regulations for appropriate sizes, spacings and all engineering requirements.
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