# How Long Is a Year on Mercury?

Using the classification based on size, Mercury is one of the small planets. Mercury is the closest planet to the sun in the solar system. A year on Mercury is 88 Earth days, or nearly 25% of an Earth year.
The length of one year (one revolution around the Sun) on Mercury is 88.0 days.
That is, a year on Mercury takes about 0.241 times as long as a year on Earth.
One year on Mercury is equal to about 88 days here on Earth. Mercury is the closest planet to the sun and the sun rays are seven times stronger on Mercury than they are on Earth.
Q&A Related to "How Long Is a Year on Mercury?"
 Funny you should ask about mercury. It is the only metal that can be a liquid at regular temperatures. At one time, mercury was used in thermometers. Even though mercury is useful http://answers.ask.com/Society/Government_and_Law/...
 Mercury is the innermost planet of the Solar System, which means that it's the closest one to the Sun. Mercury can be as close as 45.9 million kilometers from the Sun at its closest http://answers.ask.com/Science/Astronomy/where_is_...
 Mercury is a Roman god and messenger. He is also associated with commerce, profit, and trade. Mercury influenced the names of the Planet Mercury and the element of mercury. http://answers.ask.com/Arts/Literature/who_is_merc...
 Mercury was formed at the same time the solar system was born, which means it is about 5 billion years old. Some estimates say the sun and the planets will be around for another 5 http://answers.ask.com/Science/Astronomy/what_is_t...
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