<ARTICLE> 5 <CIK> 0000927653 <NAME> McKESSON HBOC, INC. <MULTIPLIER> 1,000 <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> MAR-31-2001 <PERIOD-START> APR-01-2000 <PERIOD-END> JUN-30-2000 <CASH> 452,300 <SECURITIES> 38,100 <RECEIVABLES> 3,423,600 <ALLOWANCES> 322,800 <INVENTORY> 4,303,300 <CURRENT-ASSETS> 8,080,900 <PP&E> 1,169,500 <DEPRECIATION> 617,200 <TOTAL-ASSETS> 10,488,400 <CURRENT-LIABILITIES> 5,192,300 <BONDS> 1,236,400 <PREFERRED-MANDATORY> 195,800 <PREFERRED> 0 <COMMON> 2,800 <OTHER-SE> 3,613,400 <TOTAL-LIABILITY-AND-EQUITY> 10,488,400 <SALES> 9,728,500 <TOTAL-REVENUES> 9,728,500 <CGS> 9,145,700 <TOTAL-COSTS> 9,621,700 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 27,400 <INCOME-PRETAX> 106,800 <INCOME-TAX> 41,700 <INCOME-CONTINUING> 63,600 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 63,600 <EPS-BASIC> 0.23 <EPS-DILUTED> 0.22