Window Cost Calculator

How much do new windows cost? Enter your window count, type, frame material, and glass options for a detailed estimate with regional pricing.

Number of Windows

Average US home has 8-15 windows. Drag or type to adjust.

Window Type

Window Size

10 Windows

Double-Hung • Standard

Pro Tips for Window Replacement

Replace all windows at once for best pricing

Contractors offer 15-25% volume discounts when replacing all windows in one project. You also avoid repeat mobilization costs and can negotiate better.

Low-E coating pays for itself fast

Low-E glass adds just $25-75 per window but can reduce heating and cooling costs by 10-25%. In most climates, it pays for itself within 2-3 years.

Vinyl frames are the best value for most homes

Vinyl windows cost 40-60% less than wood or fiberglass, require zero maintenance, and last 20-30 years. Unless you need the aesthetics of wood interior, vinyl is hard to beat.

Check for utility rebates and tax credits

Many states and utilities offer rebates of $50-150 per ENERGY STAR window. Federal tax credits may cover up to $600 for qualifying energy-efficient windows.

Full-frame vs insert replacement matters

Insert (pocket) replacement fits new windows into existing frames and costs 30-40% less. Full-frame replacement is needed when existing frames are damaged or you want to change window size.

Get quotes from 3+ installers

Window replacement quotes vary wildly — 30-50% differences for identical products are common. Always get at least 3 written quotes and compare apples to apples on product specifications.

Last updated: March 2026

About the Window Cost Calculator

Planning to replace your windows? The biggest question is always how much will it cost? This free calculator gives you a detailed, line-by-line estimate based on your specific window count, type, frame material, glass options, and location. Compare 10 window types, choose from 5 frame materials with 3 quality tiers, and add options like triple-pane glass, Low-E coating, and argon gas fill.

The calculator adjusts for all 50 US states, reflecting real differences in labor rates and material costs. Window replacement in California costs 35% more than the same project in Mississippi. Knowing this upfront helps you set a realistic budget and evaluate contractor quotes.

The built-in energy savings calculator estimates how much you'll save annually on heating and cooling, plus the payback period to recoup your investment — helping you decide which glass upgrades are worth the extra cost for your situation.

Frequently Asked Questions

How much do new windows cost for a whole house?

For a whole-house window replacement (10-15 windows), expect $4,000-$12,000 for vinyl frames, $8,000-$20,000 for wood or fiberglass, and $10,000-$25,000 for wood-clad frames — all with professional installation. Bay and bow windows add $1,000-$5,000 each on top. State-level pricing varies 20-35% from the national average.

What is the cheapest type of window to replace?

Single-hung vinyl windows are the most affordable at $150-$300 per window for budget quality, plus $100-$200 for installation. For a standard home with 10 windows, that comes to $2,500-$5,000 total. Double-hung and sliding windows in vinyl are the next most affordable options.

Should I replace all windows at once?

Replacing all windows at once is 15-25% cheaper per window than doing them in batches. You save on contractor mobilization, get volume pricing on materials, and only disrupt your home once. However, if budget is tight, prioritize the oldest, most drafty windows first — especially any single-pane windows.

How long do replacement windows last?

Lifespan varies by frame material: vinyl windows last 20-30 years, aluminum 20-30 years, wood 30-50 years with maintenance, fiberglass 30-50 years, and wood-clad 30-50 years. The glass seal (insulated glass unit) typically lasts 15-25 years before fogging may occur. Higher-quality windows with better seals last longer.

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