<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
PLANETRX.COM, INC. FORM 10-Q FOR THE PERIOD ENDED JUNE 30, 2000 AND IS QUALIFIED
IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-START> JAN-01-2000
<PERIOD-END> JUN-30-2000
<CASH> 50,608
<SECURITIES> 0
<RECEIVABLES> 0
<ALLOWANCES> 0
<INVENTORY> 2,967
<CURRENT-ASSETS> 24,463
<PP&E> 20,714
<DEPRECIATION> 5,038
<TOTAL-ASSETS> 258,013
<CURRENT-LIABILITIES> 21,198
<BONDS> 4,929
0
0
<COMMON> 5
<OTHER-SE> 229,353
<TOTAL-LIABILITY-AND-EQUITY> 258,013
<SALES> 8,132
<TOTAL-REVENUES> 9,435
<CGS> 7,825
<TOTAL-COSTS> 8,034
<OTHER-EXPENSES> 45,929
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> (615)
<INCOME-PRETAX> (43,913)
<INCOME-TAX> 0
<INCOME-CONTINUING> (43,913)
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> (43,913)
<EPS-BASIC> (0.92)<F1>
<EPS-DILUTED> (0.92)
<FN>
<F1> Reflects basic EPS according to SFAS 128
</FN>
</TABLE>