Knowledge Base

Acrylic window cost calculator

Pick your project, enter the size, and see what it should cost.

Every rate comes from our acrylic window cost guide, verified September 2026 from retailer listings, manufacturer pages, and published cost guides, each cited there. Treat the result as a starting point for quotes, not a quote.

An acrylic panel inside an existing window, for draft, noise, or heat loss.

Estimated cost

$240 – $336

  • 12 sq ft at $20–$28 per sq ft$240–$336
  • Indow raised prices 10 percent in July 2026, so older online quotes run low.
  • Professional measuring and installation adds a few dollars per sq ft if you don't do it yourself.

Frequently asked questions

How does the acrylic window cost calculator work?

The AcrylicWindow.com cost calculator multiplies your size and quantity by the price ranges in the acrylic window cost guide, verified September 2026 from retailers, manufacturers, and published cost guides. It shows a low-to-high range and the lines behind it. Where only a starting price exists, such as greenhouse bundles, it shows a from price instead of a range.

How much does a custom acrylic storm window insert cost?

A custom compression-fit acrylic insert such as Indow costs about $20 to $28 per square foot in standard grade and $25 to $36 for acoustic, museum, and shade grades, so a 3-by-4-foot window lands at $250 to $400. A Window Savers DIY magnetic kit plus local acrylic works out to about $60 to $80 per window.

How much does it cost to replace a glass pane with acrylic?

Replacing a glass pane with acrylic through a contractor usually costs $350 to $800 per opening, within a range of about $180 to $2,000. The acrylic panel is commonly $20 to $60 per square foot at this level and labor $150 to $300 per window, so a standard 2-by-3-foot window runs $300 to $700.

How much is acrylic sheet per square foot?

Clear extruded acrylic sheet at 1/4 inch costs roughly $3 to $6 per square foot and cast sheet $6 to $10. Small cut-to-size pieces from an online supplier usually land at $15 to $25 per square foot once cutting and shipping are included, and specialty grades such as UV-filtering or mirrored run $15 to $100.

Why doesn't the calculator ask for thickness?

Acrylic sheet price rises faster than thickness: 1/2-inch sheet costs far more than four times 1/8-inch, and published prices for thick sheet vary too widely to scale honestly. The calculator prices clear sheet at 1/4 inch, where retail prices are well documented, and recommends a quote for anything thicker.

Is the estimate a quote?

No. The AcrylicWindow.com calculator gives the right order of magnitude from published prices, which move with sheet stock and shipping. Freight, sales tax, and regional labor rates are not included. For a real price, send the project through the request-a-quote form and we pass it to up to three businesses that do that work.