How large is the largest living crocodile on earth?

the biggest croc we know was the salt water crocodile. it was 9 meters long and it could make nests out of straw. in the dino time, the biggest croc was sarcosuchas which was one of the dangerous crocs on earth. also sarcosuchas was 2 times longer and larger than the salt water crocodile. one of sarcosuchas were alive when the meteor crashed but no human never seen this croc because sarcosuchas was gone when the ice age started.