How many asphalt shingles do I need?

Asphalt shingles are a popular roofing material that offers durability, affordability, and a wide range of colors and styles. However, determining the number of shingles needed for a roofing project can be a challenge. How many asphalt shingles do I need?

In this article, we will provide you with a comprehensive guide on how to calculate the number of asphalt shingles needed for your roof, including the factors that affect the calculation and tips for buying the right shingles.

More INFO on Asphalt

Factors Affecting the Number of Asphalt Shingles Needed

How many asphalt shingles you need will depend on a number of factors, including:

  • The size and slope of your roof.
  • Waste allowance.
  • Amount of overhang and eaves.
  • The hip and ridge caps.
  • The amount of shingles needed could potentially increase as a result of waste allowance and other factors.

Calculating the Number of Shingles Needed

Following the measurement of the roof’s surface area, you may calculate how many are necessary.

  • To begin, choose the kind of shingles you’ll be using and how much of each bundle they will cover.
  • The total number of shingles needed is then calculated by calculating waste, overhang, and other factors by the total roof surface area divided by the coverage per bundle.
  • By utilizing the provided examples and graphics, you may better understand the calculation.

Tips for Buying Asphalt Shingles

  • The kind, color, and style of shingles you choose may have a significant impact on the overall aesthetic and longevity of your roof.
  • When buying shingles, take the weather, the product’s quality, and the manufacturer’s guarantee into consideration.
  • A certified roofing contractor can also ensure correct installation of the shingles and thwart any future issues.


  • By considering the factors that affect the calculation, taking accurate measurements of the roof, and selecting the appropriate kind and quality of shingles, you can ensure a successful roofing work that will protect your home for many years.
  • Remember to follow the suggestions in this article and, if necessary, get professional help.

Click for more info