Roofing Slate

This calculator will estimate the following -

  • number of slates required per square metre
  • tile batten gauge for slate
  • total linear run of tile batten in metres
  • holing gauge for holing slates


Length of Slate
Width of Slate


Number of slates required per sq m
Battening gauge in mm
Metres of tile batten per sq m
Slate holing gauge in mm

If you would prefer to calculate your Slate Roofing & Batten requirements manually, click here to download a helpful (PDF) list of information tables.