Free calculator

Blown-In Insulation

Estimate bags of blown-in (loose-fill) insulation for an attic or wall cavity.

Results

Enter your dimensions and hit Calculate.

Always use the coverage chart printed on the bag — coverage varies widely by R-value and depth.

Assumptions

  • Coverage per bag matches manufacturer's table for the target R-value.
  • Bags are ceiling-rounded.

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Land Planning Master Checklist

The complete checklist for planning your property — from raw land to build-ready site. Clearing, access, drainage, septic, utilities, permits, foundation, and everything in between.

  • ✓Every stage in the right sequence
  • ✓What to verify before each phase starts
  • ✓Questions to ask your contractor
  • ✓Common mistakes and how to avoid them

Free account — includes the checklist + 3 saved calculations.

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