CONSTRUCTION

Fence calculator

Answers the question: How much materials do I need to build a fence?

When you build a fence on your property, it quickly becomes necessary to calculate how much material you need. This fence calculator will help you find out how much material you need to buy for fence posts and fence planks.

Results

Number of fence planks needed: 157
Total fence plank length: 141.3 meters
Number of fence posts needed: 12
Number of fence sections: 11
Number of horizontal fence rails: 22
Total fence rail length: 52.8 meters
Fence post length (1/3 in the ground): 1.35 meters
Total fence post length: 16.2 meters

If you do not buy ready-made fence boards and plan to cut the materials yourself, you must look at the length measurements in the result above. Make sure you add 10 to 15 percent to account for cut-off material that cannot be used.


Our calculations

At Calculatorian, we are keen to share our knowledge, be transparent and open to feedback. Here are the calculations used to create this calculator. If you find an error or deficiency, contact us and we'll fix it in an instant!

Number of fence planks needed was calculated like this:

Total fence plank length was calculated like this:

Number of fence posts needed was calculated like this:

Number of fence sections was calculated like this:

Number of horizontal fence rails was calculated like this:

Total fence rail length was calculated like this:

Fence post length (1/3 in the ground) was calculated like this:

Total fence post length was calculated like this:

Variables used in this formula

l = Fence length in meters
h = Fence height in centimeters
pd = Distance between fence posts
hr = Number of horizontal fence rails
pw = Width of fence plank (picket) in centimeters
ps = Distance between fence plank in centimeters