What Are Asphalt Roofing Shingle Sizes?

Have you ever wondered what size asphalt roofing shingles are? If so, you’re not alone. Many homeowners find themselves confused when it comes to an understanding the different asphalt roofing shingle sizes available today. 

To ensure a successful roofing project, it is imperative to have a comprehensive understanding of the ideal shingle selection for your home. The unique characteristics of each roofing system must be carefully considered, as not all roofs are created equal. 

The array of sizes and shapes in which asphalt roofing shingles are available can present a challenge when determining the most suitable option for your needs. Thorough evaluation and informed decision-making are vital to achieving optimal results.

How To Measure And Determine Asphalt Roofing Shingle Size

Measuring the size of asphalt roofing shingles is essential when replacing or repairing a roof. Before initiating any roofing project, it is essential to ascertain the overall square footage of your roof. This calculation will enable you to accurately evaluate the required number of shingle bundles necessary for the task. Then, measure and calculate each side’s length and width in feet. Finally, measure the pitch or slope of your roof using a level tool or smartphone app.

Upon completion of the measurements, as mentioned earlier, it is imperative to determine the most suitable type and size of asphalt shingle for your specific requirements. Predominantly, three distinct types of asphalt shingles meet industry standards: 3-tabs, which measure 12 inches by 36 inches, and architectural shingles, which measure 13 1/2 inches by 39 3/8 inches. And dimensional shingles, which measure 15 1/2 inches by 43 1/4 inches.

The average dimensions for each type vary slightly depending on the manufacturer. Still, once installed on the roof deck, they all have an approximate 12-inch exposure per tab.

Knowing what type and size asphalt shingle to use for your project is essential for getting the job done right – from ensuring proper installation to creating an attractive look with minimal waste material left over at completion time. 

With accurate measurements taken beforehand and an understanding of which types work best in various climates, you can be sure that choosing the right asphalt shingle will make a big difference when protecting your home from water damage while also making it look great! Now let’s look at different types of asphalt roofing shingles & their average dimension.

Types Of Asphalt Roofing Shingles & Their Average Dimensions

As a prevalent roofing material in the current market, asphalt shingles offer diverse sizes and shapes, ensuring that homeowners can conveniently locate a solution that aligns with their property’s aesthetic and financial requirements.

Asphalt shingle sizes range from 3-tab options measuring 12” x 36” to architectural styles with larger dimensional pieces measuring up to 24” x 48”. The traditional 3-tabs provide a flat appearance with no depth or texture, while architectural styles create more visual interest by adding dimensionality in thickness and length, and width. Luxury varieties, such as designer series and specialty shapes, have unique looks but can be custom-made for any size you need for your project. 

Additionally, a 4×4 square tab design has been gaining popularity recently due to its modern aesthetic appeal. This type of shingle offers four distinct corners instead of three like other standard designs offer; this creates a mini mosaic pattern across each piece when installed correctly, creating a unique finish for any home or building exterior. 

When choosing an asphalt roofing material, it’s essential to consider factors like local climate conditions, energy efficiency requirements, cost considerations, and desired longevity – all these factors will affect the final size of your asphalt roofing shingle choice(s).

Factors That Affect The Final Size Of Your Asphalt Roofing Shingles

There are a few key factors to consider when looking for asphalt roofing shingle sizes. The primary determinant of optimal roofing is contingent upon the dimensions of the residential structure and the incline of its roofing surface. Your roof’s pitch will determine how much material you need to cover it adequately. 

Furthermore, it is essential to consider the local weather conditions when selecting shingles for your roof. Certain varieties may prove more optimal than others in specific climates. Finally, ensure you have enough overlap between each layer of shingles for proper protection from the elements.

The type of shingle also affects its size; three-tab asphalt shingles come in 12-inch strips, while laminated architectural asphalt shingles can range up to 18 inches wide and 36 inches long. It would be best to choose a style that works best with the look you want while providing adequate coverage on your roof’s surface area. 

Remember, if you opt for thicker or longer options, they will require additional materials, which could increase cost but provide better protection against wear and tear over time and extreme weather conditions like hail storms or high winds.

It’s important to measure carefully when selecting asphalt roofing sizes so that all areas are adequately covered and protected from water damage or other issues associated with improper installation techniques, such as wind uplift due to lack of sufficient overlap between each layer of shingle material used during the installation process. 

Make sure you research before purchasing any material – read reviews online about different products available to get an idea of what would work best for your specific needs based on climate conditions and desired aesthetic appeal!


Accurately measuring and selecting the appropriate size of asphalt roofing shingles is critical to ensuring optimal fit and functionality for your home. Our comprehensive blog post delves into the intricacies of this process, outlining the best practices and methodologies for determining the dimensions of your asphalt roofing shingles. 

We also provide a detailed overview of the various types of asphalt roofing shingles and their typical dimensions while examining the key factors that can affect the final size of your selected shingles. With this valuable information, you can confidently decide when to select the ideal asphalt roofing shingles for your residential property.

Taking these measurements ahead of time will save you a lot of time and headaches when it comes to selecting and installing new or replacement asphalt roofing shingles. Not only will proper measurement help ensure a good fit, but it will also prevent any potential issues due to incorrect sizing.