Edge of space (Kármán line): how big is it?
Edge of space (Kármán line) is about 100 km. In everyday terms, that is ≈ 11.3 Mount Everests.
- Size
- 100 km
- In metres
- 1.00 × 10⁵ m
- Everyday comparison
- ≈ 11.3 Mount Everests
- Chapter
- Landscapes
Did you know?
About 100 km up — the commonly used boundary where space begins.
How it compares
See it on the zoomOther things of a similar size
- Dinosaur-killing asteroid 10 km
- Mariana Trench (depth) 10.9 km
- Bengaluru (across) 30 km
- Marathon 42.2 km
- Sri Lanka 432 km
- Ceres 940 km
Sizes are rounded, typical values drawn from standard reference sources, including NIST/CODATA physical constants and NASA's planetary fact sheets. Real objects vary; see About for how sizes are chosen.