Planet Earth has a radius of about 3,960 miles.
No planet is exactly the size of Earth. Venus is close to Earth's size but slightly smaller.
No planet.
A planet called Kepler 186f, in the constellation Cygnus, is the same size as the Earth and it is similar to Earth in looking to. Venus is only slightly smaller than Earth and is the closest in size to it in our solar system.
The Earth is a planet if that is what you are asking. It is a planet in our solar system. However compared to the the relative size of other planets in the solar system earth is quite an average size.
Of the known planets, Venus is closest in size to the Earth.
There is no planet that is one fourth the size of Earth. The closest is Mercury at 0.38 that of Earth.
Venus is the planet closest in mass to Earth, with a mass about 81% that of Earth.
There is no "typical" size for a planet, as they can vary greatly in size. However, Earth is considered an average-sized planet in our solar system.
Mercury is the planet that is one quarter the size of Earth and has no moons. It is the smallest planet in our solar system and is the closest planet to the Sun.
Pluto. It is the 9th planet from the sun and it is very different then Earth in size and temperature
Mercury is the planet that is roughly a quarter of the size of Earth. With a diameter of about 4,880 kilometers, Mercury is the smallest planet in our solar system.
Of the known planets, Venus is closest in size to the Earth.