Cable Calculator

Simply, select which climate zone you are in, name your room and add the floor area to be heated and we can show you which cable product you require.

This calculator will give you the ideal sized cable for the room. Use the spacing result to mark out the spacing on the floor and determine required cables length . (please view the training video to see how to determine required cables length) . Some adjustment on the final spacing may be required prior laying the cable.

Your zone:

Room reference:


Input the actual sq meters of heating required (exclude showers vanities etc as well as the 150mm distance from wall around the rooms perimeter)

Heated area (sq m):

Result legend
Cooler Option Recommended Cable Warmer Option

Zone Room Subfloor Area Cable and Spacing