Fence posts should be set six to eight feet apart on a 6 foot wood fence. Do not go beyond eight feet or the fence may not be stable enough.
Six to Eight Feet
Spacing of fence posts depends on lenght of fence
The spacing of fence posts depends on the length of the fence, the posts should be spaced evenly. For example, if the fence is 30 feet long space the fence posts six feet apart if the fence is 40 feet in length space the posts eight feet apart.
Fence posts for a six foot wood fence should be evenly spaced between six and eight feet apart.