The measurement collection

Landmarks size comparison library

Towers, monuments and bridges share one scale. The measurement note tells you whether a height includes the spire, antenna, pedestal or a bridge’s approaches.

12 objects

Get a sense of scale.

  1. Find your reference.The forest-green shape has a known measurement. Check the height, length or diameter label.
  2. Resize your guess.Use the slider, the − / + buttons, or drag sideways on the board. Arrow keys adjust the slider.
  3. Lock it in.The teal outline reveals the recorded true size. Earn up to 100 points per round; five rounds make 500.

Your perspective.

Play a set to start your personal history.

Share a perspective.

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