25 kilograms
25 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
25 kilograms is approximately equal to the boss mass of an archery target boss.
Mass: 25 kg; definition.
The quantity is exact as entered. Comparisons use the clearly stated specimen, model or nominal measurement.
Defined boss mass: 25 kg; defined specimen; range 18 kg–35 kg.
A defined round outdoor archery target boss 1.3 m across, 15 cm thick and 25 kg, large enough for a 122 cm target face. The stand, paper face, pins and arrows are excluded from boss dimensions.
The marked defined boss mass is calibrated. Unmeasured illustration details are representative.
Measurement details
Compare 25 kilograms with the boss mass of an archery target boss. 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.
Defined boss mass · defined specimen · range 18 kg–35 kg
A defined round outdoor archery target boss 1.3 m across, 15 cm thick and 25 kg, large enough for a 122 cm target face. The stand, paper face, pins and arrows are excluded from boss dimensions.
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.