Sizing Resources

With a wide array of standard sizing and custom sizing in 1/8" increments, rest assured that Andersen can deliver a window or door that will meet your dimensions. 

Select from the tools below to find the specific size information you need.


Sizing Documents

Standard size charts, custom size information, alignment grids, measurement guides and rough opening guides.

andersen find my size

Find My Size

To find products that match your size specifications, use our Find My Size tool.
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Comparison Chart

Compare minimum to maximum width and height ranges across our product series.

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E-Series Sizing Calculator

Calculate dimensions including unit size, rough opening, casing size and masonry opening.