Spike's Calculators


Smalian's Formula Calculator

Spike VM Smalian's Formula

The Smalian formula is the official log scaling rule for the Province of British Columbia. Smalian's formula states that the volume of a log can be closely estimated by multiplying the average of the areas of the two log ends by the log's length.


Diameter Measured Inside Bark = DIB
Length of Log in Meters M
DIB of Log Small End in Centimeters cm
DIB of Log Large End in Centimeters cm


Cubic Meter:
Cubic Foot: ft³
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