Calculate the power required to heat a given flow of water

By filling in the boxes in the calculator below and clicking the respective “Calculate!” button, you can calculate the power required to heat a given flow of water.

Power required

Flow in litres per minute:

Starting (lower) temperature in degrees C:

Finishing (higher) temperature in degrees C:

The power required is: kW

If you now want to buy something to actually do some heating, you have options.

All content provided by Jamie, who is Immersion Heaters UK Ltd, BreweryHeaters.co.uk, Heating Elements.co.uk & FlangedImmersionHeaters.co.uk. And we do Vat Heaters as well, if you wanna go “Over the Side.”

Or just call 01827 215684 and have a chat.