Window Replacement Cost Calculator
Get accurate, instant estimates for your window replacement project. Compare prices for vinyl, wood, fiberglass, and aluminum windows — then connect with verified local contractors for free quotes.
Quick answer (2026): replacing a window costs $300–$1,200 per window installed, with most homeowners paying $500–$850 per window. A typical 10-window project runs $5,000–$15,000, including materials and professional installation.
Estimates updated September 2026 · Based on thousands of completed U.S. projects
Cost Calculator
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Estimated Total Cost
$2,250 - $4,250
$450 - $850 per window
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Get the most accurate window replacement estimates using real pricing data from projects across America.
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Real-time cost data from thousands of window replacement projects across the US.
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From estimate to installation in three simple steps.
1
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Use the free calculator above — answer a few questions about your windows and get a price range in under 60 seconds.
2
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Save Up to 30% on Energy Bills
Modern ENERGY STAR certified windows can dramatically reduce your heating and cooling costs. Our calculator includes energy-efficient options that may qualify for federal tax credits up to $600.
$600
Federal Tax Credit
30%
Energy Savings
70%
ROI at Resale
25yr
Average Lifespan
How Our Cost Estimates Work
Transparent, data-driven pricing — no guesswork.
1
Real project data
Estimates are built from thousands of completed window replacement projects across the U.S.
2
2026 rates
Material and labor rates are refreshed for 2026 and adjusted for regional cost differences by state.
3
Verified by pros
Ranges are cross-checked against quotes from licensed, pre-screened local contractors.
Frequently Asked Questions
Get answers to the most common questions about window replacement costs
How much does it cost to replace 10 windows?
Replacing 10 windows typically costs between $5,000 and $15,000, with the national average around $8,500. This estimate includes both materials and professional installation. Vinyl windows are the most budget-friendly at $3,000–$7,000 for 10 units, while premium wood or fiberglass options can reach $12,000–$18,000. Factors like window size, glass upgrades (double or triple pane), and regional labor rates significantly impact your final investment.
How much does it cost to replace 25 windows?
For a whole-house project replacing 25 windows, homeowners should budget between $12,500 and $37,500, with most spending around $21,000–$25,000. Larger projects often qualify for bulk discounts of 10–15% from contractors and manufacturers. Choosing energy-efficient ENERGY STAR windows may add 10–15% upfront but can reduce heating and cooling costs by up to 30% annually, plus you may qualify for federal tax credits up to $600.
What is the average cost to replace windows in a 3-bedroom house?
A typical 3-bedroom home has 10–15 windows, making the average replacement cost $6,500 to $22,500. Most 3-bed homeowners pay around $10,000–$15,000 for mid-range vinyl or fiberglass windows with professional installation. This price includes standard double-pane glass, basic hardware, and cleanup. Upgrades like Low-E coatings, argon gas fills, or custom sizes can increase costs by 15–25% but significantly improve energy performance and comfort.
What is the cost for full frame window replacement?
Full frame window replacement costs $450 to $1,800 per window, compared to $300–$700 for insert (retrofit) replacement. Full frame installation removes the entire window including the frame down to the rough opening, making it ideal for older homes with rotted frames or when changing window sizes. While more expensive, full frame replacement ensures proper insulation, weatherproofing, and longevity. Expect to pay $7,000–$27,000 for a full frame project in an average home.
How do I estimate exterior window replacement costs?
To accurately estimate your exterior window replacement cost, multiply your number of windows by $450–$850 (average per-window cost including labor). Then adjust for window type (+$100–$300 for specialty shapes), frame material (vinyl is cheapest, wood costs 2–3x more), glass options (+$50–$150 for triple-pane or Low-E), and your location (coastal and urban areas run 15–20% higher). Use our free calculator above for an instant personalized estimate based on your specific requirements.
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