How Heavy Is the Moon?
the Moon weighs about
7.35 × 10^22 kg (8.1 × 10^19 US tons)
Using a log scale so small objects stay visible — the numbers stay real.
- the Moon7.35 × 10^22 kg
total mass of the Moon as listed in the NASA/NSSDCA Moon Fact Sheet (0.07346 x 10^24 kg, about 1.23% of Earth's mass)
- the Eiffel Tower10,100,000 kg
official figures published by the tower operator: 7,300 t of metal frame, 10,100 t total including the lifts, shops and antennae (French metric tonnes)
- a blue whale150,000 kg
adult; females larger than males; Antarctic subspecies up to 330,000 lb (149,685 kg), North Atlantic/North Pacific over 100,000 lb (45,359 kg)
- an African elephant4,500 kg
adult male 4,500–6,100 kg; adult female 2,000–3,500 kg
- You
Open full comparison → to add more objects on one scale.
Put it in perspective
- About 7,300,000,000,000,000× the Eiffel Tower
- About 490,000,000,000,000,000× a blue whale
- About 15,999,999,999,999,998,000× an African elephant
Why weights differ
This is the Moon's mass, not its weight on Earth: on the Moon you would weigh about one sixth of your Earth weight. The fact sheet quotes mass in units of 10^24 kg.
Sources
[1] NASA NSSDCA (NASA Goddard Space Flight Center)
Moon Fact SheetGovernment agency
“Mass (10 24 kg) 0.07346 5.9724 0.0123”
Value as published: 0.07346 x 10^24 kg (Moon), 5.9724 x 10^24 kg (Earth), ratio 0.0123 · accessed 2026-11-11.
Last updated 2026-11-11.Report a correction (please include a source link).
Related objects
Frequently asked questions
How much does the Moon weigh?
the Moon weighs about 7.35 × 10^22 kg (8.1 × 10^19 US tons) — total mass of the Moon as listed in the NASA/NSSDCA Moon Fact Sheet (0.07346 x 10^24 kg, about 1.23% of Earth's mass).
How much is the Moon in pounds and ounces?
1.62 × 10^23 lb, which is 2.59 × 10^24 oz. In metric terms: 7.35 × 10^22 kg.
Is the Moon heavier than the Eiffel Tower?
Yes. the Moon weighs about 7.35 × 10^22 kg (8.1 × 10^19 US tons), while the Eiffel Tower is about 10,100 t (11,100 US tons) — roughly 7,300,000,000,000,000×.
Why do sources give different weights?
This is the Moon's mass, not its weight on Earth: on the Moon you would weigh about one sixth of your Earth weight. The fact sheet quotes mass in units of 10^24 kg.
Where does this number come from?
Every source is listed at the bottom of this page with publisher, link, access date and a verbatim quote. Numbers are only published when a qualifying source can be verified.