Please run this query and you will get log and data file size in sql server

 SELECT database_id,CONVERT(VARCHAR(25), DB.name) AS dbName,



(SELECT SUM((size*8)/1024) FROM sys.master_files



WHERE DB_NAME(database_id) = db.name AND type_desc = 'rows') DATA_MB,



(SELECT SUM((size*8)/1024) FROM sys.master_files



WHERE DB_NAME(database_id) = db.name AND type_desc = 'log') AS [Log MB] FROM sys.databases DB



WHERE name in (select name from sys.databases)