How to Measure Your Doors and Windows

In this article, you’ll find two practical tools to help demystify the preliminary measurement process when requesting a quote for replacing your doors and windows.

Three easy steps: measuring from the center

Measure the width of the window, patio door, or entry door from the inside, including the trim.
Measure the height of the window, patio door, or entry door from the inside, including the trim.
Measure the frame depth of the window, patio door, or entry door from the outside to the inside.

Two helpful resources to use

The Isothermic Measurement Guide brings together all essential information, reference points, and tips for an effective preliminary measurement process.
The printable measurement worksheet provides a handy template to record all the measurements required when requesting a quote— for each room in your home.

Compare us by requesting a quote

There are two ways to request a free quote to prepare your project:

Fill out our online quote request form
Speak directly with an Isothermic advisor

See you soon!