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Density
Calculate density by dividing mass by volume. A quick way to check materials, identify substances or verify a mix in any consistent unit system.
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Worked example
Density: 4
How it’s solved
Worked on the example above, step by step — follow along and you can do it on paper next time, no tool required.
- Density is how much mass is packed into each unit of volume.
- Divide mass by volume
100 ÷ 25 = 4
Learn the method
Inputs
- Mass
100 - Volume
25
Frequently asked
What is the density formula?
Density = mass ÷ volume.
What units come out?
Whatever pair you put in — grams and cm³ give g/cm³, kilograms and liters give kg/L.