Earth masses (M⊕)

The mass of the Earth, about 5.97 × 10²⁴ kg, is used as a unit for rocky planets and exoplanets.

Convert Earth masses to any weight unit

1 Earth mass = 5.9722 × 1024 kilograms

Quick facts

Unit
Earth mass (plural: Earth masses)
Symbol
M⊕
Measures
Mass / Weight
System
Astronomical
Equals
5.9722 × 1024 kilograms
Definition
5.9722 × 10²⁴ kg.

1 Earth mass in other units

Kilograms5.9722 × 1024 kg
Pounds1.3166447 × 1025 lb
Grams5.9722 × 1027 g
Ounces2.1066316 × 1026 oz
Milligrams5.9722 × 1030 mg
Tonnes5.9722 × 1021 t
Short tons6.5832236 × 1021 ton
Stone9.4046052 × 1023 st

What is an Earth mass?

The mass of the Earth, about 5.97 × 10²⁴ kg, is used as a unit for rocky planets and exoplanets. Mars is 0.107 Earth masses and Jupiter 318.

Where the Earth mass sits among weight units

The Earth mass is number 173 of 175 on our scale of weight units, ordered from smallest to largest.

Earth masses in real life

One Earth mass is about as heavy as the Earth, or about as heavy as 81 Moons.

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Common amounts of Earth masses

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Frequently asked questions

What is an Earth mass?

The mass of the Earth, about 5.97 × 10²⁴ kg, is used as a unit for rocky planets and exoplanets.

How is the Earth mass defined?

5.9722 × 10²⁴ kg.

How many kilograms are in an Earth mass?

One Earth mass equals 5.9722e24 kilograms.

How many pounds are in an Earth mass?

One Earth mass equals 1.3166447e25 pounds.

How many grams are in an Earth mass?

One Earth mass equals 5.9722e27 grams.