balsa board weight calculator

Enter the dimensions of a balsa board and this works out its volume and weight. Air-dry. Balsa grades run from 100 to 250 and are usually sorted by weight.

Total weight
0.96kg
= Exact balsa board weight
Weight of one board
0.96
Volume of one piece
6000
Density used
160 kg/m3
Show the working
  1. Length = 2000
  2. Width = 1000
  3. Thickness = 3
  4. Number of pieces = 1
  5. volume_mm3 = 2000 * 1000 * 3 = 6 000 000
  6. Volume of one piece = 6 000 000 / 1000 = 6000
  7. Density used = 160 = 160
  8. Weight of one board = 6 000 000 * 160 / 1e9 = 0.96
  9. Total weight = 0.96 * 1 = 0.96

Values are shown to six significant figures here; the arithmetic itself runs on exact fractions and is only rounded where a number is printed.

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    The formula

    • Volume = length x width x thickness
    • Weight = volume x density, with density = 160 kg/m3
    • One cubic millimetre of a material at 1000 kg/m3 weighs exactly one milligram, so the millimetre-to-kilogram step is a shift of the decimal point rather than a rounded factor.

    Air-dry. Balsa grades run from 100 to 250 and are usually sorted by weight.

    Dimensions are nominal. Mill tolerances on thickness, and the corner radii on formed sections, both move the real weight by a percent or two.

    Every field takes inches or feet as readily as millimetres: change the unit next to it and the conversion is done exactly before the arithmetic starts.

    Frequently asked

    What is the density of balsa?

    160 kg/m3, which is 0.160 g/cm3. Air-dry. Balsa grades run from 100 to 250 and are usually sorted by weight.

    How do you calculate the weight of a balsa board?

    Volume = length x width x thickness. Multiply the volume by the density of balsa, 160 kg/m3, taking care that both are in the same unit system.

    Can I enter dimensions in inches?

    Yes. Each dimension field has its own unit selector, and inch, foot, millimetre, centimetre and metre entries are all converted exactly before anything is multiplied.

    Where the numbers come from

    • Densities are nominal room-temperature values for the grade named, drawn from the usual mill and handbook figures.

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