How to use the calculator


Our easy-to-use composite decking calculator allows you to enter the dimensions of your deck area to estimate the quantity of materials required. First select your Profile, then click in the cells below and enter your dimensions for a quick and easy estimation.

Once you have used our composite deck material calculator to estimate the number of boards you’ll require, contact one of our friendly suppliers for an accurate quote on how much they’ll cost.


How to measure your area:

If you have a decking area that is not a simple rectangle then break it up into separate areas so you can calculate the total square metres.

Deck SizeLength (m)Width (m)Area (M2)
Area 1
Area 2
Area 3
Area 4
Total M2

Wastage %

Number of Boards required

Cobra T-Clips

Starter Clips

Used when board is laid horizontally against a wall. Allow for 1 clip per joist along the length of the wall.

Fixings are prepacked into Boxes or Bags which cannot be split.

Please note that these calculations are an approximation only so your overall pricing may vary if working off unit quantities and pricing.

Please refer to the following Installation guidelines before ordering your goods and embarking on your NewTechWood decking installation:

Email yourself these calculations

Pricing enquiries

For all product pricing details please contact your local reseller

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