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.
Find my size
To find products that match your size specifications, use our Find My Size tool.
Area & opening specifications
View glass and overall area & opening specs for windows and doors.
Comparison chart
Compare minimum to maximum width and height ranges across our product series.
E-Series sizing calculator
Calculate dimensions including unit size, rough opening, casing size and masonry opening.
MultiGlide sizing calculator
Sizing calculator to guide you on how to properly design, specify, and prepare your opening for the MultiGlide Door.
Folding door sizing calculator
Sizing calculator to guide you on how to properly design, specify, and prepare your opening for the Folding Outswing Door.
MultiSlide sizing calculator
Sizing calculator to guide you on how to properly design, specify, and prepare your opening for the MultiSlide Door.
We're here to help
Our team is here to support you with answers, solutions, and personalized guidance.