Window Replacement Cost Calculator
Get a realistic budget before you call installers. This window replacement cost calculator estimates the installed price per window and for your whole project, based on frame material, window style, size, installation type and glass. Already have a quote? Enter it to check the total.
Your results will appear here.
How to use the window replacement cost calculator
- Count your windows. Include only the windows you plan to replace in this project.
- Choose the frame material. Vinyl is the most common and lowest-cost option. Fiberglass, wood and composite cost more.
- Pick the style and size. Double-hung, standard-size windows are the baseline. Casement and picture windows, and large openings, raise the price.
- Select the installation type. Insert (pocket) replacement keeps the existing frame. Full-frame replacement removes everything down to the rough opening.
- Add extras. Include permit, disposal and delivery fees if your installer charges them separately.
- Compare. The result shows a low-to-high range and a mid-range estimate. If you already have a quote, enter the price per window to see the total.
Window replacement cost by frame material (2026)
The table shows the installed price ranges this calculator uses for a standard-size, double-hung insert window. The low end comes from Fixr’s frame-material price table and the high end from Pella’s 2026 replacement window prices where Pella lists that material. That is why the ranges are wide: budget contractors sit at the low end and premium brands at the high end.
| Frame material | Installed cost per window | Good to know |
|---|---|---|
| Vinyl | $350 – $1,600 | Most popular, low maintenance, good insulation |
| Aluminum | $200 – $800 | Slim frames, but conducts heat and cold |
| Composite | $300 – $2,500 | Wood look with lower maintenance |
| Fiberglass | $400 – $2,200 | Very stable and strong, can be painted |
| Wood | $600 – $2,200 | Classic look, needs regular finishing |
Adjustments the calculator applies
- Style: single-hung about 10% less; casement or awning about 15% more; picture windows about 10% more.
- Size: small windows about 15% less; large windows about 35% more.
- Full-frame installation: about 25% more than an insert, because the old frame and trim are removed and rebuilt.
- Triple-pane glass: about 15% more than double-pane low-E glass.
- Upper floors: about 10% more for ladders, staging and extra labor.
These adjustments are HomeQuantly planning estimates, not quotes. Your installer’s price depends on your exact sizes, brand and local labor rates.
Worked example
You are replacing 8 standard-size, double-hung vinyl windows with insert installation and double-pane glass, plus $150 for permit and disposal.
- Price per window: $350 to $1,600 (no style, size or glass adjustments)
- 8 windows: 8 × $350 = $2,800 low and 8 × $1,600 = $12,800 high
- Add $150 for permit and disposal: $2,950 to $12,950
- Mid-range estimate: 8 × $975 + $150 = $7,950
If the same windows were full-frame replacements, each price would rise by about 25%.
Insert or full-frame replacement?
An insert (also called pocket) replacement slides a new window into the existing frame. It is faster, cheaper and leaves interior trim in place, but the glass area gets slightly smaller.
A full-frame replacement removes the old window, frame and trim. It costs more, but it lets the installer fix rot, add insulation and flashing around the opening and keep the full glass size. It is often the better choice when frames are soft or water has leaked in.
Ways to keep the cost down
- Replace in one project. Installers can usually offer a better price per window when they do several at once.
- Stick to standard sizes where you can. Custom shapes and very large windows cost more to make and install.
- Get at least three written quotes. Make sure each one lists the same brand, series, glass package and installation type.
- Ask about rebates. Some utilities offer rebates for energy-efficient windows. Check with your utility before you sign.
- Check the warranty. A slightly higher price with a strong installation warranty can be the better value.
Frequently asked questions
How much does it cost to replace one window?
Published 2026 prices for a standard-size vinyl window run from about $350 (Fixr) to $1,600 (Pella) installed. Fiberglass and wood windows usually cost more. Enter one window above to see a range for your choices.
How much does it cost to replace 10 windows?
For 10 standard vinyl windows, this calculator estimates about $3,650 to $16,150 including $150 of permit and disposal fees, with a mid-range figure around $9,900. Other materials, styles and sizes change the total.
Is vinyl or fiberglass better for replacement windows?
Vinyl costs less and needs little maintenance, which is why it is the most common choice. Fiberglass costs more but is stronger and expands less with temperature, which helps with large windows and dark colors. Both can be very energy efficient.
Does window replacement include trim and painting?
Insert replacements usually keep the existing interior trim, so little painting is needed. Full-frame jobs replace or rebuild trim, and some installers charge extra for interior finishing. Ask each contractor exactly what is included.
How long does window replacement take?
An experienced crew can often replace several insert windows in a day. Full-frame replacements and larger projects take longer. Your installer will give you a schedule once the windows are ordered.
Sources and methodology
Planning estimate only. Prices are 2026 national averages compiled by the HomeQuantly Team from the published sources below and last reviewed on November 9, 2026. Your local prices may be higher or lower. Always get written quotes from licensed local contractors.