pt与px转换关系为 1px= 0.75pt。所以word中五号字体(10.5pt)在网页中对应的大小为font-size:14px。(10.5 / 0.75 = 14)初号44pt小初36pt一号26pt小一24pt二号22pt小二18pt三号16pt小三15pt四号14pt小四12pt五号10.5pt小五9pt六号7.5pt小六6.5pt七号5.5pt八号5pt