The current blockchain size is 402.55 GB for Apr 25 2022
Bitcoin Blockchain is roughly 389 gigabytes
Both are incorrect.
Achow101 was correct. Mine is 428 GB (459 billion bytes).
root@simba:~# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/sda4 492G 467G 90M 100% /
You can reduce the reserved blocks space as a temporary solution. The default is 5%, if you make it 2%, you gain 15 GB. See for instance
this site.