How to Calculate Grams to Centimeters


A gram is a different measurement from a centimeter. Grams measure the mass of an object. However, centimeters measure length, area (when squared) or volume (when cubed). To convert between the two measurements, you must find a link. Density serves that purpose, since it is a measurement of mass divided by volume -- for example, the density is 1.00 gram per cubic centimeter for water or 19.32 grams per cubic centimeter for gold.

Things You'll Need

  • Balance scale
  • Get the mass of the object using a balance scale.

  • Look up the density of the object in grams per cubic centimeter. Density tables are available in science books and in numerous online resources.

  • Divide the mass by the density of the object. For example, if you have a nugget of gold weighing 154.56 grams, then its equivalent volume would be 8 cubic centimeters (154.56 grams / 19.32 grams per cubic centimeter).

  • Take the cube-root of the volume to calculate the length of one side of a perfect cube. To conclude the example, if you melted the gold, you could form a perfect cube measuring 2 centimeters on each side.


  • Photo Credit balance image by thierry planche from
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