## What is the diameter of Mercury in KG?

Planetary Fact Sheet – Metric

MERCURY | EARTH | |
---|---|---|

Mass (1024kg) | 0.330 | 5.97 |

Diameter (km) | 4879 | 12,756 |

Density (kg/m3) | 5427 | 5514 |

Gravity (m/s2) | 3.7 | 9.8 |

**What is the diameter of Mercury in units?**

With a diameter of 4,879 km (3031.67 mi), Mercury is the smallest planet in our Solar System. In fact, Mercury is not much larger than Earth’s own Moon – which has a diameter of 3,474 km (2158.64 mi).

**What is Mercury’s mass and diameter?**

Bulk parameters

Mercury | Ratio (Mercury/Earth) | |
---|---|---|

Mass (1024 kg) | 0.33011 | 0.0553 |

Volume (1010 km3) | 6.083 | 0.0562 |

Equatorial radius (km) | 2440.5 | 0.383 |

Polar radius (km) | 2438.3 | 0.384 |

### What is Mercury’s radius and diameter?

Mercury

Planetary data for Mercury | |
---|---|

mean orbital velocity | 47.36 km/sec |

radius (mean) | 2,439.7 km |

surface area | 74,797,000 km2 |

mass | 3.30 × 1023 kg |

**What is the radius of Mercury?**

2,439.7 km

Mercury/Radius

**What is the circumference of Mercury?**

15,329 km

Mercury/Circumference

#### What is the circumference of mercury?

**Why is Mercury so dense?**

Q: Why is Mercury so dense? Mercury is dense because its heavy iron core amounts to nearly two-thirds of the planet’s mass, more than twice the ratio of core to mass for Earth, Venus, or Mars.

**What is Mercury’s density?**

Density of Mercury: Mercury’s mean density is the second-highest in the Solar System, which is estimated to be 5.427 g/cm3 – only slightly less than Earth’s density of 5.515 g/cm3.

## Is Mercury dense?

Mercury is a very dense, heavy, silver-white metal that is a liquid at room temperature. Mercury has a density of 13.5 g/mL, which is about 13.5 times denser than water (1.0 g/mL), so a small amount of mercury like this feels unexpectedly heavy.

**How big is Mercury compared to Earth?**

Mercury’s diameter is 3,030 miles (4,878 km), comparable to the size of the continental United States. This makes it about two-fifths the size of Earth.

**What are facts about mercury?**

Facts about Mercury. Mercury does not have any moons or rings. Mercury is the smallest planet. Mercury is the closest planet to the Sun. Your weight on Mercury would be 38% of your weight on Earth. A day on the surface of Mercury lasts 176 Earth days. A year on Mercury takes 88 Earth days.

### How does Mercury compare to Earth?

The diameter of Mercury is 4,879 km, which is approximately 38% the diameter of Earth. In other words, if you put three Mercurys side by side, they would be a little larger than the Earth from end to end.

**What is the orbital period of mercury?**

To put it simply, Mercury has an orbital period of 88 days (87.969 to be exact), which means a single year is 88 Earth days – or the equivalent of about 0.241 Earth years. But here’s the thing.