GT Woodshop | How much wood to cut for End Grain Chopping Boards and what size to make them. @GTWoodshop | Uploaded February 2021 | Updated October 2024, 1 day ago.
I explain the math you need to calculate what size timber is required to make an End Grain Chopping Board, and tell you some of the popular sizes that we sell on our website.

The Math.
Length of board (planed after first glue up) div / Total cut per row (inc allowance) = No of Pieces.
No of Pieces x height of board (planed after first glue up) = length of finished board.

Popular Board Sizes (in order of popularity)
All sizes below are based on a blade kerf of 3mm

Finished Board Size 400mm x 300mm x 40mm
Rough Sawn Timber length 650mm (min)
Pieces to cut 75, 25, 50, 30, 50, 25, 30, 25
Total cut size per row 46mm

Finished Board Size 450mm x 350mm x 50mm
Rough Sawn Timber Length 850mm (Min)
Pieces to cut 75, 25, 75, 50, 30, 50, 30, 25
Total cut size per row 56mm

Finished Board Size 350mm x 250mm x 35mm
Rough Sawn Timber Length 500mm (Min)
Pieces to cut 75, 50, 40, 30, 40, 30
Total Cut Size per row 41mm

Finished Board Size 250mm x 180mm x 35mm
Rough Sawn Timber Length 375mm (Min)
Pieces to cut 50, 25, 40, 25, 30, 25
Total Cut Size per row 41mm

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