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Mass

Just how heavy is 100 tonnes?

Heavyweights

100 t

Scale
100 tonnes

The quantity is exact as entered.

100,000 kgMass in kilograms
0 kg
Blue whale

A blue whale is a baleen whale that feeds by filtering small animals from seawater.

100,000 kgMass in kilograms
0 kg

Bar length measures mass, not physical size. Both bars start at zero kilograms (kg). Pictures identify the objects only.

A little perspective

100 tonnes is approximately equal to the mass of a blue whale.

Measurements, assumptions & sources +

100 tonnes

Mass: 100 t; definition.

The quantity is exact as entered. Comparisons use the clearly stated specimen, model or nominal measurement.

NIST — SI conversion factors

Blue whale

Mass: 100 t; representative.

A chosen 25 m, 100 tonne adult blue whale (Balaenoptera musculus). Population, sex and age matter: this is a representative comparison specimen, not a record animal.

NOAA Fisheries — Blue whale

The marked mass is calibrated. Unmeasured illustration details are representative.

Measurement details

Why these numbers?

Compare 100 tonnes with the mass of a blue whale. The notes below explain how each value was chosen.

100 tonnes

100 t

Mass · definition

The quantity is exact as entered. Comparisons use the clearly stated specimen, model or nominal measurement.

Blue whale

100 t

Mass · representative

A chosen 25 m, 100 tonne adult blue whale (Balaenoptera musculus). Population, sex and age matter: this is a representative comparison specimen, not a record animal.

Comparing
Mass ↔ Mass
Relative size
100 tonnes is approximately equal to the mass of a blue whale.

How to read the visual

The diagram uses the recorded measurements. Details outside the marked spans do not set the scale.

  • The mass of a blue whale: This is a representative comparison value; individual specimens or conditions can vary.

Mass is distinct from weight: an object’s mass stays the same as gravity changes.

100,000 kgkilograms
220,460 lbpounds

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