Difference in Log File Size Growth and initial log file size

--To check the log file usage

SELECT RTRIM(instance_name) + ' (used in kb)', cntr_value

FROM sys.dm_os_performance_counters

WHERE counter_name = 'Log File(s) Used Size (KB)'

--To check the initial file size of the log size

Use sp_helpfile

--To check the log file initial size and percentage of the log file usage

DBCC SQLPERF(LOGSPACE);

GO