<PAGE>
Exhibit 11
ROBERT HALF INTERNATIONAL INC. AND SUBSIDIARIES
COMPUTATION OF PER SHARE EARNINGS
(IN THOUSANDS, EXCEPT PER SHARE AMOUNTS)
<TABLE>
<CAPTION>
THREE MONTHS ENDED NINE MONTHS ENDED
SEPTEMBER 30, SEPTEMBER 30,
-------------------- ---------------------
2000 1999 2000 1999
--------- --------- ---------- ---------
(UNAUDITED) (UNAUDITED)
<S> <C> <C> <C> <C>
Net Income........................................................... $ 48,037 $ 34,549 $ 138,260 $ 103,798
========= ========= ========== =========
Weighted Average Number Of Shares Outstanding:
Basic:
Weighted average shares.......................................... 178,052 180,298 177,878 181,410
========= ========= ========== =========
Diluted:
Weighted average shares.......................................... 178,052 180,298 177,878 181,410
Common stock equivalents--Stock options ......................... 9,350 3,432 8,415 4,122
--------- --------- ---------- ---------
Diluted shares outstanding....................................... 187,402 183,730 186,293 185,532
========= ========= ========== =========
Net Income Per Share:
Basic.............................................................. $ .27 $ .19 $ .78 $ .57
Diluted............................................................ $ .26 $ .19 $ .74 $ .56
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All shares and per share amounts have been restated to
retroactively reflect the two-for-one split effected in the form of
a stock dividend in June 2000.
