Free · Android now · iOS coming soon
The Smart Insulation Calculator app
All 27 calculators in your pocket — on the jobsite, in the attic, offline.
By Dixon App Studio · Free download
Works offline
No signal in a crawlspace? The math still runs.
Share results
Send a clean estimate to your contractor or supplier.
No signup, no ads-in-your-face
Open it and calculate. That's it.
Built for one hand
Big inputs and readable results on a ladder.
What's inside
- Every insulation calculator, no signup
- Works offline in attics and crawlspaces
- Save and share results with your contractor
- DOE climate-zone R-value targets built in
- 2026 cost data for all 50 states
Calculators in the app
The same tools you use here, offline on your phone.
- Insulation Area
- R-Value
- Attic Insulation
- Wall Insulation
- Blown-In Bags
- Batt & Roll Quantity
- Spray Foam Board Feet
- Insulation Cost
- Crawlspace Insulation
- Basement Insulation
- Garage Door Insulation
- Rim Joist Insulation
Download
Android is live on Google Play. The iPhone and iPad version is in review — tap the App Store button to be taken to the listing as soon as it goes live.