Fencing Calculator: How to calculate the materials for the fence?

Fence Calculator Rake

In this article, we will tell you how to calculate the amount of materials to build a fence.

The first thing you need to start with is to determine your fence length and the number of posts for the fence. Use this simple calculator for this purpose.

Fence Calculator

Fencing Calculator

For most fences, the distance between posts is 6 to 8 feet.

How do I use the Fence calculator?

  1. Enter the length of your fence in feet in the first field
  2. Enter the distance between the posts of your fence in feet in the second field

To build a fence, use a special tool: A manual post driver or Gas Powered Post Driver.

Fence Post Calculator


Calculation methodology

The first step in determining the number of posts needed for the fence is to measure the length of the fence line. Divide the length by the distance between the posts to get the number of posts you need.

For example, if you are building a fence 200 feet long with 8 feet between posts, you will need 25 posts.

How far apart are the fence posts?

The distance between fence posts depends on several factors, such as the height of the fence, the type of fence, and the evenness of the ground. Generally, for most fences, the distance between fence posts is between 6 and 8 feet.

However, if your fence is taller than 6 feet or is subject to high wind loads, you may need to reduce the post spacing to provide additional support.

How to Use a Fence Calculator: Equations, Estimates, and Tips

If you are planning to build a fence around your property, it is important to know the exact amount of fencing materials needed to avoid over or underestimating your budget.

Using our experience, we have determined that one way to determine this is to use a fence calculator to help you estimate the total cost of your project and the amount of fencing materials needed.

Here we will discuss how to use the fence calculator, the equations it uses, an example of how to use the calculator and tips for purchasing fence materials.

We will also talk about why having a privacy fence is necessary and why building your own privacy fence can save you money.

Calculating materials for the fence

The fence calculator uses special equations to estimate the total cost of your fence project. These equations take into account the length and height of the fence, the type of material you will use, and the style of the fence. The most common equations used in fence cost calculators are:

Perimeter Equation: The perimeter equation calculates the length of a fence by adding the length of each side. It is calculated as follows: Perimeter = (Length 1 + Length 2 + Length 3 + Length 4).

Area Equation: The Area Equation calculates the area of a fence by multiplying the length by the height. It is calculated as follows: Area = Length x Height.

Picket Equation: The Picket Equation calculates the number of pickets you will need depending on the style of fence you choose. It is calculated as follows: Pickets = (Perimeter / Picket Spacing) + 1.

Calculation of the estimate for the fence example

To demonstrate how to use the estimate, suppose you plan to build a wooden fence 6 feet high and 100 feet long. You will use 4-inch by 4-inch posts, 2-inch by 4-inch railings, and 6-inch wide pickets.

Here’s how you can estimate the amount of materials needed for the fence:

  • Calculate the perimeter: Perimeter = (Length 1 + Length 2 + Length 3 + Length 4) = (25 + 25 + 25 + 25) = 100 feet.
  • Calculate Area: Area = Length x Height = 100 x 6 = 600 square feet.
  • Calculate the number of pickets: Pickets = (Perimeter / Picket Spacing) + 1 = (100 / 6) + 1 = 17 pickets per panel.
  • Calculate the number of panels needed: Panels = (Perimeter / Panel Width) = (100 / 8) = 12.5 panels, round up to 13 panels.
  • Calculate the number of posts needed: Posts = (Panels + 1) = (13 + 1) = 14 posts.
  • Calculate the number of rails needed: Rails = (Panels x 2) = (13 x 2) = 26 rails.
  • Calculate the amount of concrete needed: Concrete = (posts x 2 bags) = (14 x 2) = 28 bags of concrete.

Using the estimate, you can now estimate the total cost of your fencing project, including the amount of materials needed.

Tips for buying fencing materials

When buying fence materials, it’s important to buy extra materials to account for errors, waste, and damage. A good rule of thumb is to buy 10-20% more materials than you need. This ensures that you will have enough materials to complete the project without having to stop in the middle of the job and buy additional materials.

Why do you need a privacy fence around your property?

Privacy fences are an important addition to any property because they offer several benefits, including:

  • Increased privacy: Fences provide a barrier between your property and the outside world, ensuring your privacy.
  • Enhanced Security: Fences also provide a sense of security, as they deter potential intruders and prevent unwanted access to your property.
  • Aesthetic appeal: Privacy fencing comes in a variety of designs and styles, increasing the overall aesthetic appeal of your property.
  • Noise reduction: Privacy fencing also helps reduce outside noise pollution, making your property quieter and quieter.

Why build your own privacy fence?

Building your own fence is a great way to save money and make a fence to suit your needs. When you build your own fence, you have complete control over the design, materials used, and construction methods. This ensures that you get exactly the fence you want at a fraction of the cost of hiring a professional.

Saving on home repairs with your own hands

Building your own fence is just one way to save money on do-it-yourself home repair projects. Do-it-yourself projects are a great way to improve your home and save on labor costs at the same time. Other DIY projects include painting, installing flooring and making furniture. By taking on these projects yourself, you can save thousands of dollars and increase the value of your home.

Frequently Asked Questions

How much does it cost to build a privacy fence?

The cost of building a privacy fence depends on the type of material used, the size of the fence, and the cost of labor. On average, the cost to build a privacy fence ranges from $10 to $30 per linear foot.

How long does it take to build a privacy fence?

The time it takes to build a privacy fence depends on the size of the fence and the skill level of the builder. On average, it takes one to three days to build a privacy fence.

What is the best wood for building a privacy fence?

Cedar and mahogany are the two best types of wood for building a privacy fence because they are durable and resistant to rot and insect damage.

Do I need a permit to build a privacy fence?

The requirements for obtaining a permit to build a privacy fence depend on your location. You should check with your local authorities to find out the necessary permits and requirements.

Can I build my own privacy fence?

Yes, you can build a privacy fence yourself. However, you need to have the necessary tools, skills, and knowledge to ensure that you build a fence correctly and safely.

What are some common mistakes to avoid when building a privacy fence?

Some common mistakes to avoid when building a privacy fence include not measuring correctly, using the wrong materials, not digging the post holes deep enough, and not securing the posts properly.

How often should I maintain my privacy fence?

The maintenance of a privacy fence depends on the type of material used. Wooden fences need to be stained or repainted every few years, while vinyl fences are virtually maintenance free.

Can I install a privacy fence myself or should I hire a professional?

While installing a fence yourself can save you money, it is important to have the necessary skills and knowledge to ensure a proper and safe fence installation. If you are unsure of your ability to install a fence, it is better to hire a professional.

How high should my fence be?

The height of your fence depends on your specific needs and local regulations. In most cases, fence heights range from 6 to 8 feet.

How do I choose the right style of fence for my property?

Choosing the right style of privacy fence depends on your personal preferences and the overall aesthetics of your property. When choosing a style, you should consider the materials used, the design, and the level of privacy and security the fence provides.


Using a fence calculator is an easy and effective way to estimate the total cost of your fence project and the amount of materials you will need. You should also purchase additional materials to account for errors, waste, and damage.

In addition, having a fence around your property provides privacy, security, aesthetic appeal, and noise reduction.

Do-it-yourself fence construction is a great way to save money while still having a fence tailored to your needs. Finally, do-it-yourself projects, such as building a privacy fence, can save you thousands of dollars in home renovations.

David West is an experienced gardener and former salesman at a garden tools and supplies store. He has tended his own garden plot for many years and has extensive knowledge of plant care, landscaping and garden design.

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