Window Film Calculator

ComforTech Window Film Calculator

Use our free window film calculator to quickly determine how much ComforTech Ceramic Series window film you need for your project. Simply enter your window measurements and get an instant estimate for square footage and recommended buying options.

Find the Right Amount of
ComforTech Film
for Your Project

Enter your glass dimensions and we'll recommend exactly what to buy — from precut kits to custom kits to rolls.

Glass Measurements

💡 Measure the glass only (not the frame). We'll automatically round up your dimensions for trimming — measurements ending in ½" or less round up to the next inch; over ½" rounds up two inches.

How to Use the Window Film Calculator

  1. Measure the width and the length of each pane of glass you want to film. Check out our tutorial on measuring your windows for help with this step.
  2. Enter the width and height of each pane of glass into the calculator – for example, you will enter the bottom sash of a double hung window separately from the top sash.
  3. Enter the quanitity of each window you need at that size.
  4. Click the + button to add an additional window to your calculation
  5. When you have entered all of the panes of glass for your project – click the blue Calculate Film Needed button and the calculator will display the film amount needed for your project as well as the options you have to purchase film from us (precut kits, custom kits or rolls).

How the Window Film Calculator Works

Our window film calculator helps you estimate the amount of window film needed for your project. Simply enter:

    • Window width

    • Window height

    • Number of windows

The calculator converts your measurements into the total square footage of window film required at each width. It then determines the most efficient and inexpensive way to purchase the film:

    • Pre-cut window film kits

    • Custom cut window film

    • Rolls of window film

The calculator will present all options that make sense for the sizes of film you need. The goal is simple: make planning your DIY window film installation easier. Many homeowners use this calculator before purchasing solar control window film, privacy window film, or UV blocking window film for their homes.

Need Help Measuring Your Windows?

Measuring your glass correctly is the first step to take when ordering window film. Use our easy guide below to get the measurements right!

Not Sure Which Shade to Choose?

Take our quiz and get a personalized film recommendation to solve your unique window issues.

What Our Happy Customers Are Saying

Window Film Sample Kit - Concord Window Film

Want to See the Film in Person Before You Buy?

Order a window film sample kit and see the film in your own space before you buy. This is the best way to determine which film and shade is right for you!

Our sample kit comes with 5″ x 7″ pieces of all five shades of our ComforTech Ceramic Series window film along with our Matte White Privacy and Silver 15 Reflective films. The kit costs $5 but comes with a coupon code for $5 off your first film purchase!

FAQs

Choose from Five Beautiful Shades

ComforTech™ 45

Our lightest offering. Looks almost invisible on the glass. Perfect for those who want UV blocking & some solar control.

ComforTech™ 35

Our most popular all-around film! Light enough to blend in, but with enough tint to provide solid solar control.

ComforTech™ 25

A medium shade film that balances stronger solar control with light transmission. Our lightest daytime privacy film.

ComforTech™ 15

A dark film for those that need to control heat gain or glare. Perfect for south-facing rooms and sunny climes. Offers daytime privacy.

ComforTech™ 05

Our darkest film offers the greatest daytime privacy and solar control for rooms and climates that demand it.