<ARTICLE>                          5
<LEGEND>
This  schedule  contains  summary  financial   information  extracted  from  the
Condensed  Consolidated  Financial  Statements of the  Corporation  for the year
ended September 30, 1999 and is qualified in its entirety by reference
to such financial statements.
</LEGEND>
<CIK>                                     0000886903
<NAME>                                  Kronos Incorporated
<MULTIPLIER>                                   1,000
<CURRENCY>                              U.S. Dollars

                                                              
<PERIOD-TYPE>                                 12-mos         12-mos         12-mos
<FISCAL-YEAR-END>                        Sep-30-1999    Sep-30-1998    Sep-30-1997
<PERIOD-START>                           Oct-01-1998    Oct-01-1997    Oct-01-1996
<PERIOD-END>                             Sep-30-1999    Sep-30-1998    Sep-30-1997
<EXCHANGE-RATE>                                    1              1              1
<CASH>                                        20,148         29,888         20,698
<SECURITIES>                                  20,893         17,501         15,530
<RECEIVABLES>                                 66,817         50,904         39,764
<ALLOWANCES>                                   6,791          4,445          2,108
<INVENTORY>                                    2,798          3,065          4,322
<CURRENT-ASSETS>                             125,144        111,652         91,200
<PP&E>                                        60,924         47,210         41,164
<DEPRECIATION>                                36,943         31,394         24,126
<TOTAL-ASSETS>                               228,243        163,861        129,132
<CURRENT-LIABILITIES>                        103,998         66,565         50,045
<BONDS>                                            0              0              0
<PREFERRED-MANDATORY>                              0              0              0
<PREFERRED>                                        0              0              0
<COMMON>                                         126            125            123
<OTHER-SE>                                   104,132         87,078         72,350
<TOTAL-LIABILITY-AND-EQUITY>                 228,243        162,950        129,131
<SALES>                                      164,340        135,186        116,155
<TOTAL-REVENUES>                             254,298        202,469        170,538
<CGS>                                         37,507         32,305         29,816
<TOTAL-COSTS>                                 90,799         76,390         66,265
<OTHER-EXPENSES>                             129,019        101,748         85,985
<LOSS-PROVISION>                               1,391          1,016            494
<INTEREST-EXPENSE>                                 0              0              0
<INCOME-PRETAX>                               34,480         24,331         18,288
<INCOME-TAX>                                  12,102          9,611          7,016
<INCOME-CONTINUING>                           22,378         14,720         11,272
<DISCONTINUED>                                     0              0              0
<EXTRAORDINARY>                                    0              0              0
<CHANGES>                                          0              0              0
<NET-INCOME>                                  22,378         14,720         11,272
<EPS-BASIC>                                   1.78           1.19           0.92
<EPS-DILUTED>                                   1.71           1.15           0.89