How many tons does the International Space Station weigh?
Science medium Data from 2024
Guess before you scroll — the answer is below
The answer
420 tons
Roughly 420.
The ISS weighs about 420 tonnes and is roughly the size of a football pitch. It orbits at 28,000 km/h, circling the Earth every 90 minutes, and it cost an estimated $150 billion — the most expensive object ever built.
Where this number comes from
| Source | NASA |
|---|---|
| Figure refers to | 2024 |
| Last checked | |
| Unit | tons |
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