Current size of file recovery db_recovery_file_dest_size

SELECT name
, ceil( space_limit / 1024 / 1024) SIZE_M
, ceil( space_used  / 1024 / 1024) USED_M
, decode( nvl( space_used, 0),
0, 0
, ceil ( ( space_used / space_limit) * 100) ) PCT_USED
FROM v$recovery_file_dest
ORDER BY name
/