How big is a saltwater crocodile?
A saltwater crocodile is about 20 ft6.1 m1 long, a maximum, not a typical adult. The biggest reptile alive, at home in rivers and even the sea.
A saltwater crocodile next to you
Next to a child about four feet tall: the saltwater crocodile is about 5 of you long, lying head to toe.
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Where the numbers come from
- US Fish and Wildlife Service rule, Federal Register 24 June 1996 (govinfo.gov), checked 30 October 2026.