5.5" boards installed flush with no gaps. The most common 6 ft backyard privacy fence. 3 rails, 8 ft post spacing.
Add at least one fence segment above to see how many posts, rails, pickets, and bags of concrete you'll need.
Bill of materials
Posts
0
incl. gate posts
Rails
0
8 ft each
Pickets
0
5.5″ wide
Concrete
0
80-lb bags
0 rail screws (1-1/2″) 0 picket screws (3″)
0 post caps 0 gate hardware sets
Method: 8 ft post spacing · 30″ post depth · 4×4 posts in 10″ holes · 5% screw loss factor.
Estimates only. Always call 811 before digging, verify post depth against your local frost line and HOA / city setbacks, and order ~10% extra lumber to cover saw kerfs and a busted picket or two. When in doubt, add a bag of concrete; the unused bag stores fine in the garage.
Fence calculator by DIYRated · Reviewed by Jake Morrison, Licensed GC