Vinyl Siding Squares Calculator
What is a square of vinyl siding?
A square of vinyl siding is equal to 100 square feet. 10 foot by 10 foot = 100 square feet (10' x 10' = 100 sq ft). There are also other ways to look at 1 Sq of Vinyl Siding. For example: 2' x 50' = 100 sq ft, 4' x 25' = 100 sq ft, and so on.
You can use this calculator to
calculate the number of vinyl siding squares your project will need. A "square" of siding is unit of measure called Area. The equation that is used in this calculator is
Area = Length x Width ÷ 100 (A=lw/100)
Since house siding is often measured in feet and inches (example: 10 feet and 6 inches) this calculator allows you to enter feet and inches, feet only, inches only or any combination of the two.
Siding Squares Calculator
1 Vinyl Siding Square = Length' x Width' ÷ 100
1 Vinyl Siding Square = 100 Square Feet = 100 SqFt = 100 ft2
- Enter your length and height.
- You can enter feet only, inches only or any combination of the two.
- Click the "Calculate" button.
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... more on Calculating your Vinyl Siding Squares
How many boxes of siding will I need?
Short answer: That depends. Check with the vinyl siding manufacturer to see how many squares are in one box.
Detailed answer: Vinyl siding typically comes in 2 square boxes so if your calculation above is 58 squares of siding you would need 29 boxes of vinyl siding. However if you're calculating for vinyl shake siding which is often 1/2 or 1/3 of a square per box your calculations will be different.
Here's the number of boxes needed for 58 Squares of Vinyl Siding:
* numbers are rounded up to the next whole box
|SQ's per Box
What about calculating for waste?
Yes calculating for waste is a VERY IMPORTANT thing. Some contractors calculate up to 30% on top of the raw exterior square footage (just the parts that will get vinyl siding) but it really depends on the project. Back in our contracting days we used to get our waste down between 5~10% (max) but we had to be very consious of reusing our cut-offs and plan the order of the walls we would do (plan our cuts). Most skilled vinyl siding installers will probably need to calculate around 15~20% on most projects. Your results may vary. There honestly is A LOT of skill that goes into bidding and installing vinyl siding. Take your time, proper planning in the begining will save you a lot of potential headaches in the long run.
Do you know of anyone who can professionally determine the number of squares of vinyl siding my home will need?
Absolutly: We have an entire national network of pre-screened contractors who would be happy to professionally measure your home and give you expert advice, simply go to our FREE, No Obligation Vinyl Siding Estimates page.
REMEMBER, when getting estimates, Always get at least 3 to 4 Siding Estimates to start, for comparison purposes and KNOW your home's Exterior Square Feet. These two things are key to having a great experience with getting new house siding of any type.