5 kilograms
5 kgMass · definition
The quantity is exact as entered. Comparisons use the clearly stated specimen, model or nominal measurement.
Mass
Everyday mass
Bar length measures mass, not physical size. Both bars start at zero kilograms (kg). Pictures identify the objects only.
A little perspective
5 kilograms is approximately equal to the mass of a 5 kg bag of rice.
Mass: 5 kg; definition.
The quantity is exact as entered. Comparisons use the clearly stated specimen, model or nominal measurement.
Mass: 5 kg; example.
Defined example; real examples vary. The 5 kg mass is an explicit assumption, not a species average or product specification.
Defined examples — our methodology
The marked mass is calibrated. Unmeasured illustration details are representative.
Measurement details
Compare 5 kilograms with the mass of a 5 kg bag of rice. The notes below explain how each value was chosen.
Mass · definition
The quantity is exact as entered. Comparisons use the clearly stated specimen, model or nominal measurement.
Mass · example
Defined example; real examples vary. The 5 kg mass is an explicit assumption, not a species average or product specification.
The diagram uses the recorded measurements. Details outside the marked spans do not set the scale.
Mass is distinct from weight: an object’s mass stays the same as gravity changes.
Change your perspective
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A little smaller. A little larger.