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Prices, promotions, styles, and availability may vary. Our local stores do not honor online pricing. Prices and availability of products and services are subject to change without notice. Errors will be corrected where discovered, and Lowe's reserves the right to revoke any stated offer and to correct any errors, inaccuracies or omissions including after an order has been submitted.

How much roll insulation will I need to purchase?

This Calculator should be used as an estimating tool ONLY.

  • Enter the dimensions of the area to be insulated. Click on "Calculate" to determine how many square feet of insulation are needed for this job.

  • ft in
  • ft in