Egress Window Calculator & Material Planner

Clear opening checks and a budget for a basement window assembly.

How estimates work

Project estimate

Egress Window Planner

$1,125–$1,294

Material estimate + optional reserve · USD

Net clear opening
5.83 ft²
Well floor area
12 ft²
Sill height
42 in
Working time allowance
1.13 days

18 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
Window
$450
Well
$300
Structure
$250
Drainage
$75
Finishing
$50

Shopping list

0 / 5 checked

Whole packages rounded up. Edit a unit price to use your supplier's quote.

Window

  • Egress window

    1 units

    $450

Well

  • Window well

    1 units

    $300

Structure

  • Designed lintel / header

    1 assemblies

    $250

Drainage

  • Well drain kit

    1 kits

    $75

Finishing

  • Flashing / sealing kit

    1 kits

    $50

Save this project

Saved on this browser only. No account required.

Assumptions & project notes

  • Material allowance: 0%. Package sizes and coverage rates are editable in the inputs.
  • Use the manufacturer’s net clear opening, not rough frame dimensions. The result reports geometry only; local egress rules, ladders and structural opening design must be checked.
  • Check final dimensions, product specifications and any required local approvals before ordering.

Tools & preparation

  • Tape measure, square and level
  • Layout string and stakes
  • Mixing and material-handling equipment
  • Suitable trowels / finishing tools
  • Compaction or cutting equipment as required

A preparation list; confirm installation tools with your selected products.

How to use the egress window planner

Start with net clear opening width, net clear opening height, finished sill height, well width, well projection, windows. The result includes net clear opening, well floor area, sill height. Open advanced options to match your product sizes, material allowance and labor expectations.

1. Measure and specify

Confirm geometry, finished levels, drainage and any structural design requirements.

2. Adjust the estimate

Use the specified thicknesses, block modules, reinforcement and product yields.

3. Prepare your order

Coordinate forms, base preparation, delivery quantities and access before ordering.

4. Plan the work

Follow the specified placement, finishing and curing sequence, including inspections where required.

Frequently asked questions

What does the egress window planner estimate?+

Clear opening checks and a budget for a basement window assembly. The shopping list includes egress window, window well, designed lintel / header, well drain kit, flashing / sealing kit.

Which assumptions should I check?+

Use the manufacturer’s net clear opening, not rough frame dimensions. The result reports geometry only; local egress rules, ladders and structural opening design must be checked.

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.

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