Window Replacement Cost Calculator

Window replacement is priced per window. Frame material and whether you need a full-frame replacement or an insert are the big drivers. Enter the number of windows to see a planning range.

Typical cost (US average)$9,800 – $13,50010 windows, mid-range finishes. Includes labor, permits, disposal, tax, and a 10% contingency.

Your project

Your citySets local labor rates, permit costs, and sales tax

Project size (windows)

windows

Contingency cushion

Finish level

Scope included in estimateUncheck items you plan to keep or handle yourself

Window Units & Glass PackageEnergy Star certified Low-E coated double or triple pane glass with argon gas fill.

Exterior Capping & Interior TrimCustom aluminum coil capping bent over exterior wood sills, interior stop moulding.

Low-Expansion Foam & FlashingWindow-and-door non-warping foam sealant around the frame and perimeter silicone caulking.

Old Window Removal & DisposalCarefully removing old drafty sashes, lead-safe work practices, disposal fee.

Often forgotten

What am I forgetting?

Lead-safe paint containment in pre-1978 homes ($300 - $800): Federal EPA RRP certified containment is required by law if house was built before 1978 ($300 - $800).
Rotted wooden window sill replacement ($150 - $350/window): Old leaky sills often have water damage requiring wood restoration ($150 - $350 per window).

Quote checklist

Your contractor's quote should list

Energy Star U-factor (must be ≤ 0.27 in North, ≤ 0.30 in South) and SHGC ratings
Pocket insert vs full-frame replacement clearly distinguished
Exterior aluminum coil capping gauge and colors
Transferable lifetime glass breakage and seal failure warranty

Window replacement cost by number of windows

Project	Size	Mid-range cost
A few windows	4 windows	$4,300 – $5,900
One floor	10 windows	$9,800 – $13,500
Whole house	20 windows	$19,000 – $26,000

National-average prices from our calculator with its default scope. Your quotes will vary with site conditions and exact products.

Window cost by frame material

Finish level	Per window	10 windows total
Vinyl Pocket InsertsDouble-hung vinyl replacement windows, Low-E double pane, fits into existing jambs.	$745 – $1,020	$7,500 – $10,000
Premium Composite / FiberglassFibrex (Andersen) or fiberglass (Pella/Marvin), triple-pane or high-efficiency Low-E argon.	$985 – $1,350	$9,800 – $13,500
Wood-Clad ArchitecturalSolid pine interior with extruded aluminum exterior cladding, custom historic casing.	$1,620 – $2,220	$16,000 – $22,000

Window quote watchouts

Insert vs full-frame Inserts fit inside the old frame and cost less; full-frame replacement fixes rotted frames but costs more. The quote should say which.
Exact product line Get the brand, series, glass package (Low-E, argon), and U-factor in writing.
Lead-safe work Homes built before 1978 require lead-safe practices, which can add cost.

Questions

Window Replacement cost FAQ

How much does window replacement cost in 2026?

Our calculator puts window replacement (10 windows, mid-range finishes) at about $9,800 – $13,500 at national-average prices. Size, finish level, and local labor rates move the total, so enter your own numbers above for an itemized range.

What does window replacement cost per window?

Installed cost runs from about $745 per window (Vinyl Pocket Inserts) up to about $2,220 per window (Wood-Clad Architectural), including labor, permits, disposal, tax, and a 10% contingency.

Are new windows worth it for energy savings?

New windows usually save a modest amount on energy bills. Most homeowners replace them for comfort, noise, and failed seals rather than payback alone.