Density Conversion

Online Density Conversion: converts between metric, English, and scientific volumetric mass density units that describe a substance's mass per unit volume.
Input the quantity you would like to convert in the first input box, select the units to convert, and the result will appear in the second input box immediately. It accepts scientific notation.
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kilogram/cubic meter (kg/m³)

kilogram/cubic meter (kg/m³)

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Also called volumetric mass density, describes a substance's mass per unit volume, and can be calculated by dividing mass by volume.

2. Famous Story:

The most famous story about density is the one that Archimedes helps King Hiero to examine whether his golden wreath was adulterated or not.

Archimedes was so clever that he used a piece of pure gold having the same mass with the wreath, and put the gold and the wreath respectively into two same containers filled with water. Then he found that the amounts of the water spilled from the two containers were different - the one with wreath had spilled more.

This phenomenon reflected that the wreath had a larger volume than the gold with the same mass. At last, he drew the conclusion that the King's golden wreath was impure, because the density of the wreath (mass divided by larger volume) was lower than that of the pure gold (same mass divided by smaller volume).