Last updated: April 13, 2026

Size to Weight Calculator

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Table of contents

Size to Weight (Rectangular)

Calculate the weight of a rectangular object based on its dimensions and the density of the material it's made of.

Weight = Volume × Density

Common Material Densities (lbs/ft³):

  • Steel: 490
  • Aluminum: 165
  • Concrete: 150
  • Oak Wood: 45
  • Water: 62.4

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