SizeGuess
Play today ↗
12 objects · Free category practice

Landmark size guessing game

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.

The world is waiting.

Preparing your size challenge…

Explore the landmarks collection

Each five-round set is generated from this collection. Your category scores are separate from the mixed daily streak. Read the chosen dimension and measurement note after each reveal.

Browse all 12 measurementsRead the source conventionsPlay today’s mixed challenge
landmarks

Eiffel Tower

330 mheight

Total height including the antenna installed in 2022.

See the perspective
landmarks

Burj Khalifa

828 mheight

Architectural height including the spire.

See the perspective
landmarks

Statue of Liberty

93 mheight

Ground to torch, including pedestal and foundation.

See the perspective
landmarks

Gateway Arch

192 mheight

Official rounded height of 192 m (630 feet).

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.
Full rules & scoring

Your perspective.

Play a set to start your personal history.

Share a perspective.

Copy this text and link to send your challenge.

Clear your progress?

This removes SizeGuess scores, saved rounds and streaks from this browser.