How to find out how much bytes/ diskspace a tables uses ?

Hi out there,
How can I need find out how much bytes/diskspace (data & index) a certain tables(BKPF/BSEG) uses ?
Thank You
Best wishes Martin

Hi Orkun,
do You know who its works for clustered tables ?
For BKPF the amount I get seems to high.
For BSEG the amount I get it seems to low.In fact uts the initial allocated size).
To me it seems that DB02 is based on the native (Oracle) SQL table names.
The (ABAP Dictionnary Tablenames) are not 1:1 equivalent to native (Oracle) SQL table names.
Thank You !
Martin

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YJAM                           TBLOB                                                                                                            TABLE
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YJAM                           TBLOB                                                                                                            TABLE
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YJAM                           TBLOB                                                                                                            TABLE
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YJAM                           TBLOB                                                                                                            TABLE
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YJAM                           TBLOB                                                                                                            TABLE
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YJAM                           TBLOB                                                                                                            TABLE
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YJAM                           TBLOB                                                                                                            TABLE
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YJAM                           SYS_LOB0000920875C00001$$                                                                                        LOBSEGMENT
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HTH,
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Message was edited by:
Yoann Mainguy
Hmm, forgot that for a full comparison of the avg linesize:
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