Material calculator tools
Plan your projects with confidence. Our Material Calculator Tools help contractors, businesses, and homeowners estimate the right quantities of building materials before purchasing. Use these calculators to save time, reduce waste, and ensure accurate planning for every job.
Insulation calculator
Estimate insulation needs for walls, attics, and crawl spaces.
R-13
- Area
- 320 sq ft
- Coverage each
- 9.7 sq ft
- Packs of 11
- 4
How we figured this: Area plus 5% for trimming, divided by 9.69 sq ft per 15 × 93 in. batt; a typical R-13 pack holds 11 batts (106.6 sq ft), so check the pack you choose.
Pick the exact product yourself, or ask the counter to quote it and special-order it.
- R-13 batts, 35 batts Find it in the catalog
Estimates only. Measurements, layout, and local code change real quantities, so confirm with the counter before you buy for structural work.
Why use our calculators?
Bring your numbers to the counter and we'll check them against the job before anything gets loaded.
Call (928) 669-9254- Reduce material waste
- Improve project accuracy
- Save time during planning
- Ensure proper budgeting
- Make in-store shopping faster and easier