Radiator size calculators

Let our radiator calculators be your guide to correctly calculate the radiator sizes to match the heat requirement, then easily choose your preferred products. In just a few clicks our radiator output calculator will help you to determine the size of the radiator for any given room using the proposed wall space, flow and return temperature of the heating system, the desired room temperature, and heating output demand. With a product that offers the right heat output, you can instantly create a warm and inviting room as well as increase the efficiency of the heating system.

Our free radiator calculators are designed to be intuitive and user-friendly, so that you’ll find the product that best matches your requirements in no time. We are here to help however. So if, after using our calculator, you have any questions about our product range, or need tailored advice on what size radiator is needed for your project, don’t hesitate to get in touch with our experts.

Discover the Myson download library where you’ll find all the documents you need.