All Textbook Topics - Matter and Pressure - Density equation Introduction - Mass is often represented by an 'm' in equations and the SI unit is kg

Mass is often represented by an 'm' in equations and the SI unit is kg

The symbol for mass which is commonly used is a lower case m

Symbol: m


The SI unit for mass is the kilogram with the symbol: kg

Unit: kg

An example of how you would represent mass in equations is:

  • A student uses a 1 kilogram to place on the desk.
    • m=1kg
  • A teacher hangs a 0.2 kilogram mass on a spring
    • m=0.2kg
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Density is often represented by the lower case greek letter ρ (pronounced rho) in equations and the SI unit is kg/m3
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Volume is often represented by a 'V' in equations and the SI unit is m3

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