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 parametersEarth vs Moon: diameter comparison
The mean diameter of Earth is about 3.67 times the mean diameter of the Moon. Selected basis: approximate values.
- Earth
- Mean diameter
- Moon
- Mean diameter
Both rulers start at the same zero and share one linear scale. Artwork keeps its original proportions.
In perspective3.67 times
Measurements, assumptions & sources
Moon
3,475 km - Mean diameter; approximate.
The Moon is Earth’s natural satellite and the brightest large object in Earth’s night sky.
Rounded mean-radius model of Moon. The derived area and volume describe a sphere; surface terrain and flattening are omitted.
NASA JPL — Planetary satellite physical parameters
Compare something else
There’s always another scale
Follow your curiosity.
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.
SpacePluto2,377 kmPluto is a dwarf planet in the Kuiper Belt, composed of rock and ice and orbiting the Sun.Side by side
Another point of view.
Illustrative artwork · not to scale
Illustrative artwork · not to scale
Illustrative artwork · not to scale
Illustrative artwork · not to scaleGot a good eye for scale?