---
title: "Insulation R-Value Calculator - Reviews, Revenue and Downloads in Estonia | Apple App Store"
description: "Not sure if your wall insulation meets code for your climate zone? This calculator instantly converts between R-value and thickness for 9 common materials — and shows you IECC minimum requirements so "
---

# Insulation R-Value Calculator — Estonia
> Thickness & IECC Zone Lookup

![Insulation R App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/df/9d/58/df9d588a-c8cf-a10f-ab7f-c16d9a10759b/AppIcon-0-0-1x_U007epad-0-1-85-220.png/434x0w.png)

**Developer:** [Shanghai Sheyuan Network Technology Co](https://apptail.io/developer/shanghai-sheyuan-network-technology-co-mkXe)
**Category:** Utilities
**Rating:** N/A (0 ratings)
**Price:** Free
**Bundle ID:** com.sy.insulrcalc
**Store:** Apple App Store
**Country:** Estonia
**Version:** 1.0.2 (released 2026-06-28)
**Original Release:** 2026-04-07
**Languages:** English

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/ee/app/app/id6761641098)
**AppTail Page:** [https://apptail.io/app/insulation-r-value-calculator-bSnz/estonia](https://apptail.io/app/insulation-r-value-calculator-bSnz/estonia)

## Insulation R Description
Not sure if your wall insulation meets code for your climate zone? This calculator instantly converts between R-value and thickness for 9 common materials — and shows you IECC minimum requirements so you pass inspection the first time.

Select an insulation material, enter thickness to get R-value, or enter target R-value to find required thickness. Built-in IECC climate zone reference shows minimum R-values for walls, ceilings, and floors at a glance.

WHAT IT CALCULATES:

R-Value from Thickness:
- Select an insulation material from the built-in list
- Enter the installed thickness in inches
- Get the total R-value and U-factor instantly

Required Thickness:
- Choose your insulation material
- Enter your target R-value
- See the exact thickness needed to meet that R-value

MATERIALS INCLUDED:

- Fiberglass Batt (R-3.2/in)
- Fiberglass Blown (R-2.5/in)
- Cellulose Blown (R-3.5/in)
- Mineral Wool (R-3.3/in)
- XPS Foam Board (R-5.0/in)
- EPS Foam Board (R-3.8/in)
- Polyisocyanurate (R-6.0/in)
- Spray Foam Open Cell (R-3.6/in)
- Spray Foam Closed Cell (R-6.5/in)

IECC CLIMATE ZONE REFERENCE:

- Built-in IECC climate zone lookup (Zones 1 through 7-8)
- See minimum R-value requirements for walls, ceilings, and floors
- Quickly check if your insulation meets code for your zone

KEY FEATURES:

- Two-way calculator: R-value from thickness or thickness from R-value
- U-factor output for energy calculations
- 9 common insulation materials with accurate R-per-inch values
- IECC climate zone minimum requirements built in
- Works completely offline
- No account or login required

BUILT FOR THE JOB SITE:

Whether you are an insulation contractor, general contractor, home inspector, or energy auditor, InsulR Calc gives you quick R-value lookups and thickness calculations. Enter your material and thickness to get R-value, or enter your target R-value to find required thickness in seconds.

Supports all common residential and commercial insulation materials per IECC and ASHRAE standards.

## Insulation R Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/7e/ca/51/7eca51d1-e487-7542-cc96-db560c7ab473/screenshot_iphone_1.jpg/1284x2778.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/82/04/37/820437a6-6f0d-8871-d15e-2d6619c5296d/screenshot_iphone_2.jpg/1284x2778.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/23/f3/d9/23f3d9e8-e27f-e5ac-c934-b4be723fe5de/screenshot_iphone_3.jpg/1284x2778.png)







## Insulation R Available In
- [Estonia](https://apptail.io/app/insulation-r-value-calculator-bSnz/estonia)
- [France](https://apptail.io/app/insulation-r-value-calculator-bSnz/france)
- [Iceland](https://apptail.io/app/insulation-r-value-calculator-bSnz/iceland)

---

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