### Fence Calculator

Feb 19 2021· Using the fence estimator - example. To make the process of estimating fencing materials even clearer let's go through an example together. Let's say we want to build a fence that's 1000 feet long with 7 feet in between each post and a height of 10 feet.We will start by calculating the number of posts and how long they should be:. Number of posts = (1000ft / 7ft) + 1 = 142.85 + 1 = 143.85