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Mercury vs Earth: diameter comparison

The mean diameter of Earth is about 2.61 times the mean diameter of Mercury. Selected basis: approximate values.

Mercury
Mean diameter
Earth
Mean diameter
Scale
Mercury
4,879 kmMean diameter
0 - shared origin
Earth
12,740 kmMean diameter
0 - shared origin

Both rulers start at the same zero and share one linear scale. Artwork keeps its original proportions.

In perspective2.61 times
Measurements, assumptions & sources

Earth

12,740 km - Mean diameter; approximate.

Earth is the rocky planet on which we live and the third planet from the Sun.

Mean-radius spherical model for Earth; actual shape is not perfectly spherical.

NASA JPL — planetary physical parameters

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SpaceMercury4,879 kmMercury is a rocky planet orbiting closest to the Sun in the Solar System.SpaceEarth12,740 kmEarth is the rocky planet on which we live and the third planet from the Sun.SpaceMoon3,475 kmThe Moon is Earth’s natural satellite and the brightest large object in Earth’s night sky.SpaceJupiter139,800 kmJupiter is a giant planet composed mainly of hydrogen and helium, orbiting the Sun beyond the asteroid belt.SpaceSun1,391,000 kmThe Sun is the star at the centre of the Solar System.

Side by side

Another point of view.

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Human vs African elephantAn African elephant is about 1.89 times as tall as a human.
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Double-decker bus vs Blue whaleA blue whale is about 2.27 times as long as a double-decker bus.
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Burj Khalifa vs Eiffel TowerBurj Khalifa is about 2.51 times as tall as the Eiffel Tower.

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Mercury vs Earth