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Issue1 2026 Archives.


Balsa Density Calculator


This program is useful when you are trying to calculate the density of
a rectangular object (typically, a block or sheet of balsa).


All you need is the weight of the object in GRAMS, and the length, width, and thickness
of the object in INCHES (fractional dimensions need to be input as decimals).
light or Soft is anything between 4 and 5.5 lb/cuft
Medium goes from 5.5 to 6.5 lb/cuft
Heavy or Hard ranges from 6.5 to 9.5 lb/cuft.


Weight (Grams)
 Decimal Equivalents.
Length (inches)
 1/32 = 0.03125 5/32 = 0.3125
Width (inches)
 1/20 = 0.05 3/16 = 0.1875
Thickness (inches)
 1/16 = 0.0625 7/32 = 0.21875
3/32 = 0.09375 1/4 = 0.25
Density = (lb/cu.ft.)
 1/8 = 0.125


George Bredehoft, Volaré Products, 1998
Modified, J.Whatmore, 2025