Steps Involved in Building a HouseSpike's Calculators

Francon Measure

Spike VM

This is the Hoppus foot rule in metric format with results in Francon cubic metres.

To avoid confusion, the cubic metre result from Hoppus is referred to as a Francon cubic metre.
Francon Cubic Metres = length*circumference sq *0.0625
1 cubic metre Francon Measure = 35.315 Hoppus feet

Circumference of Log Measured Mid Length
Log Circumference cm
Length of Log M


Francon Cubic Metres: Fr M³
Log Volume in Cubic Metres:

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