I’m beginning to think around re-shingling mine roof as it’s got some age and the shingles are looking a tiny rough. Because my roof is a pair of rectangles, it’s simple to calculate the surface area. I figured I could estimate how countless shingles ns needed and the total cost. But before I calculated the cost, ns still necessary to understand – how many shingles in a bundle?

For traditional asphalt 3-tab roof shingles, there room 26 pieces in a bundle. Architectural shingles will certainly have approximately 21 shingles per bundle for comparable square footage, as they are bigger than standard 3-tab shingles.

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Depending ~ above the shingle manufacturer, the number of shingles in a bundle deserve to vary widely. Since shingle dimensions differ so much, that is often useful to have a shingle calculator to recognize the variety of pieces and bundles you’ll require for her project.

In this article, we’ll take a look in ~ a shingle calculator the helps you with precise estimates for your roofing material, and also various instances of roofs and how to recognize shingle bundles and squares because that a new, shingled roof.


Determining the number of bundles of shingles you’ll require depends on the kind of shingles you room installing, as bundle size relies on shingle type. However, the vast majority of shingles require only 3 bundles per 100 square feet.

For most shingle types, you’ll require 3 bundles to make a square of finished roof, which is 100 square feet. If you have a roof area of 3000 square feet, you’ll require 90 bundles of shingles. Shingles v 4 bundles per square will call for you to acquisition 120 bundles for a 300 square foot roof.

How To calculate Shingles

To calculate the variety of shingles you’ll need, you’ll need an initial to measure the square footage of your roof, which is spanned above.

Once you have actually the square footage, divide that number through 100. This will certainly tell friend how many roofing squares girlfriend have. If her roof is 4500 square feet, divide this number through 100 and you’ll acquire 45.

Since we recognize that most shingles need three majority to do a square, you’ll multiply 45 times 3 to discover out how countless bundles you will certainly need. In this case, you’ll need 135 majority of shingles.

If you want to take it it a step further and also calculate the amount of separation, personal, instance shingles you’ll require for her project, main point 135 through the variety of shingles suggested on the bundle.

Shingle Bundle Calculator

A much simpler means to calculation the number of shingle bundles you’ll need is to usage a shingle bundle calculator.

At the very least, using a shingle calculator can help you examine your calculations. If you have a roof the has an ext faces than just two rectangles, a shingle bundle calculator will be more accurate and could save you money and also time, ensuring friend buy only the quantity of shingles friend need.

How countless Bundles that Shingles carry out I need For A 10X12 Shed?

To calculate the lot of shingle bundles necessary for a 10×12 shed, you first have to calculation the square clip of the roof.

Let’s say this burned has a gable roof running parallel to the long end of the shed. The shed likewise has a roof overhang of 1’ all around. Because of this the length of one side of the roof is 14.

The key of this roof is 4:12. A unstable estimate of the broad of one side of the roof is simply a bit over 5’ – speak 5’3”, i m sorry is 5.25 feet. Add a foot the overhang and you obtain 6.25’. Main point this by 14

Multiply the two and you acquire 87.5 square feet. Multiply that number time two and also you get 175 square feet – your total roof area.

Now you need to discover out how countless bundles that shingles is required for 175 square feet that roofing. Divide 175 through 100 to uncover out how plenty of squares that roofing you have. This amounts to 1.75. We know that every square that roofing calls for 3 majority of shingles, therefore 3 bundles of shingles time 1.75 roofing squares equates to 5.25 bundles of shingles.

You still have .25 that roof leftover. It would be wise to purchase one extra bundle that shingles to ensure girlfriend cover your whole area and to replace any damaged shingles in the future.

Thus, that takes 6 bundles of shingles to correctly cover the roof the a 10×12 melted with a gabled roof and also a 1’ overhang roughly all sides.

How plenty of Shingles execute I require for a 24×24 Garage?

For this example, we’ll use the same kind of roof – a straightforward gabled roof. Because that our purposes, we’ll say that the roof expand 1.5’ approximately each side.

We’ll very first calculate one face of the roof. The length of the roof is 24+1.5+1.5, which equates to 27’. The roof key is 4:12, which method the broad of the roof is around 12.5’. Include 1.5’ the overhang come this number and also you gain 14’ that roof width on one roof face.

Multiply 27’ through 14’ and also you gain 378 square feet for one roof face. The full roof area is 756 square feet. Division this number by 100 to recognize the amount of roof squares you will do it need, which equals 7.56 roofing squares.

Multiply 7.56 roofing squares by 3 bundles per square. Thus, 23 majority of shingles are forced to covering a 24×24 garage with 1.5’ overhangs on all sides.

How numerous Bundles of Shingles ~ above A Pallet?

The variety of bundles per pallet depends on the weight and size of individual shingles. In most cases, there are between 33 and 42 bundles per pallet. Architectural laminated shingles room bulkier and also physically larger; therefore, these pallets will have fewer bundles 보다 3-tab shingles.

How much Does a Bundle the Shingles Weigh?

A bundle that shingles weighs everywhere from 60 to 80 pounds. Many bundles space in the 70-pound range. A bundle must be light sufficient to be handled by her average-sized adult. Therefore, you will not find bundles that way anywhere beyond 80 pounds.

Very thick laminated architecture shingle bundles might weigh much less if it needs 4 bundles to do a square the roofing. In the case, every bundle will certainly cover a smaller area and also will thus weigh less. However, the majority of shingle bundles will have a comparable weight.

3 Tab Shingles

A conventional bundle that 3-tab shingles is just above 60 pounds. 3-tab shingles space the lightest of nearly all asphalt shingles as they room a solitary layer and also of a smaller dimension than architecture shingles.

Architectural Shingles

Architectural shingle majority weigh about 70 pounds every bundle. Castle weigh an ext than 3-tab shingles because they have actually a higher surface area and additionally are multi-layered, so each shingle is bulkier. Even though there are fewer shingles in every bundle, they still weigh much more than a 3-tab bundle with more shingles in a bundle.

Synthetic Slate Shingles

A bundle of artificial slate shingles weighs approximately 40 pounds. Numerous slate shingles the are artificial come in bundles of 25. Each tile weighs about 1.5 pounds, therefore calculating bundle weight is 1.5 times 25.

There are countless different manufacturers of fabricated slate, so bundle weights might vary widely.

Hip and Ridge cap Roofing Shingles

A bundle of standard hip and ridge cap roofing shingles weighs about 60 pounds. Together they space usually more thickness than conventional shingles, they likewise weigh more.


Calculating the number of shingles in a bundle is only one part of identify how plenty of shingles you’ll need for your following roofing project. Once you recognize what a square that roofing is and that the takes – normally – 3 bundles of roofing shingles come cover a square will help you easily determine how plenty of shingle bundles you’ll need in total.

Also, be certain to use a roofing calculator to double-check her calculations to recognize the square clip of your roof. One miscalculation might lead friend to several leftovers, or no enough, shingles, which is a headache no issue which method you look at it.

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When roofing, be certain to always take appropriate safety precautions when moving around on your roof. Many thanks for reading this article and also I hope it’s melted some an ext light top top the specifics of roof shingles and bundles.