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BTU Calculator

Use this calculator to find the BTU (energy) requirement to heat your room. We'll then show you a selection of products that match your requirement.

Living Room

Dining Room

Hallway

Kitchen

Bedroom

Bathroom

Length (metres):*

Width (metres):*

Height (metres)*

Sheltered / Exposed*

Window Type*

The BTU requirement for this room is between

and

For larger rooms, consider splitting your heat output into multiple radiators to avoid cold spots in a room.

Please note that all calculations are approximate; for more accurate results a heating engineer should be consulted.