I’m starting to think about re-shingling mine roof as it’s obtained some age and the shingles space looking a little rough. Since my roof is a pair of rectangles, it’s basic to calculation the surface area. Ns figured I might estimate how plenty of shingles ns needed and the complete cost. But prior to I calculate the cost, ns still required to recognize – how plenty of shingles in a bundle?

For classic asphalt 3-tab roof shingles, there room 26 piece in a bundle. Architecture shingles will certainly have about 21 shingles every bundle for similar square footage, together they are larger than conventional 3-tab shingles.

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Depending on the shingle manufacturer, the number of shingles in a bundle have the right to vary widely. Because shingle dimensions differ so much, that is often helpful to have actually a shingle calculator to identify the variety of pieces and also bundles you’ll require for her project.

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


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

For most shingle types, you’ll need 3 bundles to do a square of perfect roof, i m sorry is 100 square feet. If you have actually a roof area that 3000 square feet, you’ll require 90 majority 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 calculation the number of shingles you will do it need, you’ll need very first to measure up the square clip of her roof, i beg your pardon is covered above.

Once you have actually the square footage, division that number by 100. This will tell girlfriend how countless roofing squares you have. If your roof is 4500 square feet, division this number through 100 and you’ll gain 45.

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

If you desire to take it a step further and calculate the lot of individual shingles you’ll need for her project, main point 135 by the variety of shingles suggested on the bundle.

Shingle Bundle Calculator

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

At the an extremely least, using a shingle calculator can help you check your calculations. If you have actually a roof that has much more faces than simply two rectangles, a shingle bundle calculator will certainly be more accurate and also could conserve you money and time, ensuring friend buy just the quantity of shingles girlfriend need.

How many Bundles the Shingles execute I require For A 10X12 Shed?

To calculate the quantity of shingle bundles needed for a 10×12 shed, you an initial have to calculate the square footage of the roof.

Let’s say this shed has a gable roof running parallel come the long finish of the shed. The shed also has a roof overhang of 1’ all around. Therefore the length of one next of the roof is 14.

The pitch of this roof is 4:12. A rough estimate the the broad of one side of the roof is simply a little bit over 5’ – speak 5’3”, i beg your pardon is 5.25 feet. Add a foot of overhang and you acquire 6.25’. Main point this through 14

Multiply the two and you gain 87.5 square feet. Multiply the number times two and you acquire 175 square feet – your total roof area.

Now you need to find out how many bundles that shingles is compelled for 175 square feet the roofing. Division 175 through 100 to find out how numerous squares that roofing girlfriend have. This equates to 1.75. We understand that every square the roofing requires 3 majority of shingles, for this reason 3 majority of shingles time 1.75 roofing squares amounts to 5.25 bundles of shingles.

You still have .25 of roof leftover. It would certainly be prudent to acquisition one extra bundle of shingles to ensure girlfriend cover your whole area and also to replace any damaged shingles in the future.

Thus, the takes 6 majority of shingles to correctly cover the roof of a 10×12 burned with a gabled roof and a 1’ overhang about all sides.

How many Shingles perform I require for a 24×24 Garage?

For this example, we’ll use the same kind of roof – a an easy gabled roof. For our purposes, fine say the the roof expand 1.5’ about each side.

We’ll an initial calculate one face of the roof. The length of the roof is 24+1.5+1.5, which equals 27’. The roof key is 4:12, which way the width of the roof is around 12.5’. Add 1.5’ the overhang come this number and also you acquire 14’ that roof width on one roof face.

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

Multiply 7.56 roofing squares through 3 bundles per square. Thus, 23 majority of shingles are forced to sheathe a 24×24 garage v 1.5’ overhangs on every sides.

How countless Bundles of Shingles ~ above A Pallet?

The variety of bundles every pallet depends on the weight and also size of separation, personal, instance shingles. In most cases, over there are between 33 and 42 bundles per pallet. Architecture laminated shingles space bulkier and also physically larger; therefore, these pallets will have fewer bundles 보다 3-tab shingles.

How lot Does a Bundle of Shingles Weigh?

A bundle the shingles weighs all over from 60 come 80 pounds. Most bundles are in the 70-pound range. A bundle must be light sufficient to be taken on by your average-sized adult. Therefore, you will not discover bundles that way anywhere beyond 80 pounds.

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

3 Tab Shingles

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

Architectural Shingles

Architectural shingle bundles weigh roughly 70 pounds every bundle. They weigh an ext than 3-tab shingles due to the fact that they have a higher surface area and likewise are multi-layered, so each shingle is bulkier. Also though there space fewer shingles in each bundle, they quiet weigh an ext than a 3-tab bundle with much more shingles in a bundle.

Synthetic Slate Shingles

A bundle of synthetic slate shingles weighs around 40 pounds. Countless slate shingles the are artificial come in bundles of 25. Each tile weighs around 1.5 pounds, for this reason calculating bundle load is 1.5 times 25.

There are plenty of different manufacturers of man-made slate, therefore bundle weights may vary widely.

Hip and Ridge cap Roofing Shingles

A bundle of traditional hip and ridge cap roofing shingles weighs approximately 60 pounds. Together they space usually more thick than traditional shingles, they additionally weigh more.


Calculating the number of shingles in a bundle is only one component of determining how countless shingles you’ll need for your next roofing project. As soon as you understand what a square the roofing is and that the takes – typically – 3 bundles of roofing shingles to cover a square will assist you quickly determine how plenty of shingle majority you’ll need in total.

Also, be certain to usage a roofing calculator come double-check your calculations to recognize the square footage of her roof. One miscalculation could lead you to numerous leftovers, or no enough, shingles, which is a headache no issue which means you look in ~ it.

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When roofing, be sure to constantly take appropriate safety precautions once moving roughly on your roof. Thanks for analysis this article and also I expect it’s burned some an ext light on the special, of roof shingles and also bundles.