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Choose two objects to see them side by side at their true relative size. Add a human for scale, or up to five objects in total.

Blue whale vs Boeing 747

  • A Boeing 747 is about 2.6–3.1 times as long as a blue whale.
  • A blue whale is about 14–17 times as long as an average adult is tall.
  • A Boeing 747 is about 44 times as long as an average adult is tall.
  • ≈ 2.6–3.1 × Blue whale · length (typical adult) lined up end to end match the Boeing 747 · length
  • ≈ 2.4–3 × Blue whale · maximum mass on the scales weigh as much as Boeing 747 · maximum takeoff weight
Human, Blue whale, Boeing 747 drawn to the same scaleHuman: height 1.61–1.75 m. Blue whale: length (typical adult) 24–27 m. Boeing 747: length 70.67–76.25 m.Human: 1.61–1.75 mBlue whale: 24–27 mBoeing 747: 70.67–76.25 mBoeing 74770.67–76.25 mBlue whale24–27 mHuman1.61–1.75 m
Everything is drawn to the same scale, standing on the same ground line. Silhouettes are simplified outlines scaled to the measured dimension. A faded outline shows the top of a size range.

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