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Excel7大计数函数详解!零基础也能快速上手

  • 2026-09-23 02:46:15
Excel7大计数函数详解!零基础也能快速上手
在日常办公中,数据统计离不开计数功能。很多人只会基础的手动数数,效率低还容易出错。Excel共有7个核心计数函数,覆盖全部计数、条件计数、空值/非空值计数、去重计数等所有场景。今天结合真实办公案例和实操步骤,一次性讲透,轻松搞定数据统计。
一、COUNT函数(统计数字单元格)
功能:只统计区域内纯数字单元格,自动忽略文字、空白、符号。
实操案例:统计员工考核分数总条数
操作步骤:输入公式  =COUNT(B2:B20) ,回车即可统计B列所有数字成绩,自动剔除未填写、文字备注的单元格。
二、COUNTA函数(统计非空单元格)
功能:统计区域内所有有内容的单元格,数字、文字、符号全部统计,仅忽略空白格。
实操案例:统计实际出勤人数
操作步骤:输入公式  =COUNTA(A2:A50) ,可快速统计填写姓名的出勤员工总数,是考勤统计高频函数。
三、COUNTBLANK函数(统计空白单元格)
功能:精准统计区域内完全空白的单元格,适配缺漏数据排查。
实操案例:统计未提交报表人数
操作步骤:输入公式  =COUNTBLANK(C2:C30) ,一键算出未填写数据的空白单元格数量,快速排查数据缺失问题。
四、COUNTIF函数(单条件计数)
功能:根据单个条件统计符合要求的单元格数量,办公使用率最高。
实操案例:统计业绩达标(大于80分)的员工数
操作步骤:输入公式  =COUNTIF(D2:D40,">80") ;若统计固定文本,如“已完成”,公式为  =COUNTIF(E2:E40,"已完成") 。
五、COUNTIFS函数(多条件计数)
功能:COUNTIF升级版,支持多个同时满足的条件计数。
实操案例:统计“销售部+业绩大于90”的优秀员工
操作步骤:输入公式  =COUNTIFS(F2:F50,"销售部",D2:D50,">90") ,同时匹配部门和业绩两个条件,精准筛选数据。
六、SUMPRODUCT函数(去重计数)
功能:小众但实用,可直接实现数据去重统计,无需辅助列。
实操案例:统计本月到访客户的独立人数(剔除重复客户)
操作步骤:输入公式  =SUMPRODUCT(1/COUNTIF(G2:G100,G2:G100)) ,一键统计区域内不重复数据总数。
七、COUNTIF+UNIQUE函数(新版去重计数)
功能:Office365及新版WPS专属,操作更简单,适配新手。
实操案例:统计不重复产品种类数量
操作步骤:输入公式  =COUNTA(UNIQUE(H2:H60)) ,先提取所有不重复数据,再统计数量,直观易懂。
总结核心用法
快速区分7大函数:数字计数用COUNT、非空计数用COUNTA、空白排查用COUNTBLANK、单条件用COUNTIF、多条件用COUNTIFS、去重计数用SUMPRODUCT/UNIQUE。
熟练掌握这7个计数函数,能解决99%的表格统计难题,告别手动统计,大幅提升办公效率。
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原来Excel能做电子章,90%职场人都不知道
10秒统计所有姓名个数,新手直接套用
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  1. CONNECT:[ UseTime:0.000764s ] mysql:host=172.18.0.4;port=3306;dbname=h_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001242s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000511s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000541s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000636s ]
  6. SELECT * FROM `set` [ RunTime:0.000295s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000778s ]
  8. SELECT * FROM `article` WHERE `id` = 558806 LIMIT 1 [ RunTime:0.000417s ]
  9. UPDATE `article` SET `lasttime` = 1790103803 WHERE `id` = 558806 [ RunTime:0.001271s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000315s ]
  11. SELECT * FROM `article` WHERE `id` < 558806 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000500s ]
  12. SELECT * FROM `article` WHERE `id` > 558806 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000311s ]
  13. SELECT * FROM `article` WHERE `id` < 558806 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000477s ]
  14. SELECT * FROM `article` WHERE `id` < 558806 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000475s ]
  15. SELECT * FROM `article` WHERE `id` < 558806 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000987s ]
0.082175s