Use the radiator calculator to work out the power in watts for each radiator, then enter each  power output in the boxes further down in the total power calculator below. This tool is most useful for combi boilers.
Disclaimer: Information on this website is provided for informational purpose therefore we cannot accept liability for subsequent problems. All repair tasks should be carried out by qualified trades people. We may also receive commission payments when you are taken to external websites and complete purchases from third party sellers, once you leave our site, we cannot be held liable for your purchases.
