Linear Metre Calculator
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How to use

Simply inter the "Length & Width"  measurements in the text fields and the calculator will start calculating. That will give you your first total (Square Metres).
Enter the board width (the width of the boards, planks, timbers or cladding) you intend using in "Millimetres"
After entering the width of the boards, the "Linear Metre" calculation will show. This is the amount of timber in linear metres you will need for the width of boards you intend using to cover the square metre area.
By entering the board length measurement (optional), the calculator will tell you how many boards at a given length you will need.
If you are purchasing timber and only have a Linear Metre price, enter the cost in the  "Price per linear metre" field to see the total cost. (You may have to also add VAT)!

Troubleshooter

  • Linear Metre shows "NaN".
That stands for "Not a Number", you have not entered any measurements yet.
  • Linear Metre shows "infinity"!
That's because you have not entered a measurement in the board width yet.
  • The cost is way too high, in the £millions!
Be sure you have put a dot between pounds and pence in the "Price per Linear Metre" field. ie £2.34 not £234.