Roofing Calculator & Material Planner

Roof pitch, shingle bundles, underlayment and perimeter trim.

How estimates work

Project estimate

Roofing Planner

$2,452–$2,820

Material estimate + optional reserve · USD

Sloped roof area
1,502.64 ft²
Roofing squares
15.03 squares
Working time allowance
3.88 days

62.11 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
Roofing
$2,100
Trim
$252
Hardware
$100

Shopping list

0 / 4 checked

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

Roofing

  • Shingle bundles

    50 bundles

    $1,900
  • Underlayment (1000 sq ft)

    2 rolls

    $200

Trim

  • Drip edge (10 ft)

    18 lengths

    $252

Hardware

  • Roofing nails (5 lb)

    4 boxes

    $100

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.
  • Simple gable roof with the ridge along the length. Drip edge includes both eaves and all four sloped rakes. Valleys, dormers, hips and flashing must be added from an actual roof plan.
  • Check final dimensions, product specifications and any required local approvals before ordering.

Tools & preparation

  • Tape measure and framing square
  • Level and layout string
  • Drill / driver and specified bits
  • Suitable saw and clamps
  • Footing excavation and concrete tools where required

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

How to use the roofing planner

Start with length, width, roof pitch (rise per 12). The result includes sloped roof area, roofing squares. Open advanced options to match your product sizes, material allowance and labor expectations.

1. Measure and specify

Measure the footprint, finished levels and access; settle the structural design before choosing member sizes.

2. Adjust the estimate

Match board widths, spacing, stock lengths and connections to the approved layout.

3. Prepare your order

Lay out cuts and supports, then confirm the material list with the timber and hardware supplier.

4. Plan the work

Plan foundations, framing, weather protection and final inspection in the order required by the design.

Frequently asked questions

What does the roofing planner estimate?+

Roof pitch, shingle bundles, underlayment and perimeter trim. The shopping list includes shingle bundles, underlayment (1000 sq ft), drip edge (10 ft), roofing nails (5 lb).

Which assumptions should I check?+

Simple gable roof with the ridge along the length. Drip edge includes both eaves and all four sloped rakes. Valleys, dormers, hips and flashing must be added from an actual roof plan.

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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