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Brereton Log Rule Calculator - Metric

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Calculate the Cubic Metre Volume of a Log using the Brereton Log Rule

Two diameter measurements shall be taken under bark at each log end perpendicular to each other (at both ends) and the final recorded diameter shall be the average of the two measurements.

Diameter Measured Inside Bark = DIB
Average = Small End plus Large End Divided by Two
Length of Log in Meters M
DIB Average cm


Cubic Meter:
Cubic Foot: ft³

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