Window Replacement Calculator & Material Planner
Window units, flashing tape, insulation foam and trim.
Project estimate
Window Replacement Planner
$3,117–$3,585
Material estimate + optional reserve · USD
- Total window area
- 96 ft²
- Opening perimeter total
- 112 ft
- Working time allowance
- 1.63 days
26 person-hours / 2 people / 8 h per day. Provisional activity rates; adjust in advanced options.
Excludes labor, tax, delivery, equipment rental, permits and site work. Sample prices are not live retailer quotes. Upper budget includes 15% contingency.
Cost breakdown
- Windows
- $2,800
- Weather barrier
- $60
- Insulation
- $20
- Trim
- $192
- Sealing
- $45
Shopping list
0 / 5 checkedWhole packages rounded up. Edit a unit price to use your supplier's quote.
Windows
Replacement window units
8 units
$2,800$350 per units
Weather barrier
Flashing tape (75 ft)
2 rolls
$60$30 per rolls
Insulation
Low-expansion window foam
2 cans
$20$10 per cans
Trim
Trim stock (8 ft)
16 pieces
$192$12 per pieces
Sealing
Exterior sealant (25 ft)
5 tubes
$45$9 per tubes
Save this project
Saved on this browser only. No account required.
Assumptions & project notes
- Material allowance: 10%. Package sizes and coverage rates are editable in the inputs.
- Use a separate saved estimate for each window size and installation type when dimensions vary.
- Check final dimensions, product specifications and any required local approvals before ordering.
Tools & preparation
- Tape measure, straightedge and level
- Marking and layout tools
- Suitable cutting and fastening tools
- Product-specific preparation and finishing tools
A preparation list; confirm installation tools with your selected products.
How to use the window replacement planner
Start with windows, average window width, average window height. The result includes total window area, opening perimeter total. Open advanced options to match your product sizes, material allowance and labor expectations.
1. Measure and specify
Measure each room or surface and identify openings, edges, fixtures and transitions.
2. Adjust the estimate
Check package coverage, material orientation, pattern alignment and substrate requirements.
3. Prepare your order
Review full-piece cuts and matching accessories; order from consistent product batches where needed.
4. Plan the work
Prepare the surface and follow the product installation and finishing sequence, including drying or curing periods.
Frequently asked questions
What does the window replacement planner estimate?+
Window units, flashing tape, insulation foam and trim. The shopping list includes replacement window units, flashing tape (75 ft), low-expansion window foam, trim stock (8 ft), exterior sealant (25 ft).
Which assumptions should I check?+
Use a separate saved estimate for each window size and installation type when dimensions vary.
Are the prices current supplier quotes?+
No. Initial unit prices are illustrative USD budgeting inputs. Enter a price beside each material to use your own quote. The total includes materials only; labor, shipping, taxes, permits and rental are excluded.
Can I save or share my project?+
Save stores the inputs and prices on this browser. Share link includes the configuration in the address so another device can reopen it. Download CSV exports the shopping list, and Print / PDF opens your browser’s print dialog.