This free online insulation calculator is suitable to calculate U and R values of walls, floors and roofs. The calculator does not need to be downloaded or registered.

Our U-value calculator is a free, online tool designed to help specifiers, selfbuilders and construction stakeholders to calculate U-values for their individual projects using ROCKWOOL stone wool insulation.

U-value calculations are important for working out thermal efficiency, by measuring the transfer of heat through material. You can use our free online U-value calculator to give you quick access to accurate …

Sep 17, 2025 · Calculate and improve your building's thermal efficiency with our U Value Calculator. Get accurate results and expert tips for better insulation.

Free online U-Value calculator for heat exchangers, building insulation, and HVAC systems. Calculate thermal resistance (R-value), heat flux, and overall heat transfer coefficient with 80+ materials. …

Calculate the U-value of walls, roofs, or floors to assess insulation performance. Ideal for architects, builders, and energy consultants.

Oct 22, 2025 · This calculator provides accurate measurements and estimates for your project planning needs. Enter your dimensions and specifications to get instant, professional-grade calculations.

This Simple U-Value Calculator can help you quickly check your designs or plans to see if they are likely to achieve BS EN ISO 6946 2017 compliance. A useful tool for designers, architects and the general …

Calculate U-value and R-value with our free thermal transmittance calculator. Determine insulation effectiveness for building materials.

This is the first mobile app of its kind developed by an insulation manufacturer, providing a fast, accurate, and convenient way to calculate U-values using Mannok products.