Scale Of Everything^™

Choose a scale

Each line is a ruler where every tick is ten times the one before it. Tap a dot to see what sits there.

• Size

  From the Planck length up to the edge of the observable universe.

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• Time

  From the shortest moment physics can describe to the day the last black holes evaporate.

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• Mass

  From the lightest thing physics can measure to all the ordinary matter in the universe.

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• Temperature

  From a hair above absolute zero to the heat of the first instant after the Big Bang.

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• Energy

  From the faintest photon to all the energy in the observable universe.

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• Speed

  From a growing stalactite to the speed of light.

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• Loudness

  From the quietest place on Earth to the loudest sound air can carry.

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• Numbers

  From zero, past the stars and atoms, up to numbers too big to write down.

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• Data

  From a single bit to the most information the universe could hold.

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