{"id":39,"date":"2026-02-06T11:31:09","date_gmt":"2026-02-06T03:31:09","guid":{"rendered":"https:\/\/openpyxl.com\/blog\/?p=39"},"modified":"2026-01-16T07:15:31","modified_gmt":"2026-01-16T07:15:31","slug":"how-to-insert-a-formula-using-openpyxl","status":"publish","type":"post","link":"https:\/\/openpyxl.com\/blog\/how-to-insert-a-formula-using-openpyxl.html","title":{"rendered":"How To Insert a Formula Using OpenPyXL?"},"content":{"rendered":"<h2>Method<\/h2>\n<p lang=\"en-US\" style=\"margin: 0in; font-family: \u5fae\u8f6f\u96c5\u9ed1; font-size: 14.0pt;\">&gt;&gt;&gt;sht[&#8220;C1&#8221;]=1<\/p>\n<p lang=\"en-US\" style=\"margin: 0in; font-family: \u5fae\u8f6f\u96c5\u9ed1; font-size: 14.0pt;\">&gt;&gt;&gt;sht[&#8220;C2&#8221;]=2<\/p>\n<p lang=\"en-US\" style=\"margin: 0in; font-family: \u5fae\u8f6f\u96c5\u9ed1; font-size: 14.0pt;\">&gt;&gt;&gt;sht[&#8220;C3&#8243;]=&#8221;=SUM(C1:C2)&#8221;<\/p>\n<h2>Sample Code<\/h2>\n\n\n<pre class=\"wp-block-code\"><code>#Insert Regular Formula\n\nfrom openpyxl import Workbook\n\n#Create a new workbook\nwb=Workbook()\n#Get the active worksheet\nws=wb.active\n\n#Assign values to cells C1 and C2\nws&#91;'C1']=10\nws&#91;'C2']=20\n#Insert a formula to sum values\nws&#91;'C3']='=SUM(C1:C2)'\n\nwb.save('test.xlsx')\nwb.close()<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"762\" height=\"459\" src=\"https:\/\/openpyxl.com\/blog\/wp-content\/uploads\/2026\/02\/21.png\" alt=\"Insert a Formula Using OpenPyXL\" class=\"wp-image-287\" srcset=\"https:\/\/openpyxl.com\/blog\/wp-content\/uploads\/2026\/02\/21.png 762w, https:\/\/openpyxl.com\/blog\/wp-content\/uploads\/2026\/02\/21-300x181.png 300w\" sizes=\"auto, (max-width: 706px) 89vw, (max-width: 767px) 82vw, 740px\" \/><\/figure>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>OpenPyXL<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-39","post","type-post","status-publish","format-standard","hentry","category-openpyxl-formula"],"_links":{"self":[{"href":"https:\/\/openpyxl.com\/blog\/wp-json\/wp\/v2\/posts\/39","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/openpyxl.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/openpyxl.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/openpyxl.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/openpyxl.com\/blog\/wp-json\/wp\/v2\/comments?post=39"}],"version-history":[{"count":2,"href":"https:\/\/openpyxl.com\/blog\/wp-json\/wp\/v2\/posts\/39\/revisions"}],"predecessor-version":[{"id":288,"href":"https:\/\/openpyxl.com\/blog\/wp-json\/wp\/v2\/posts\/39\/revisions\/288"}],"wp:attachment":[{"href":"https:\/\/openpyxl.com\/blog\/wp-json\/wp\/v2\/media?parent=39"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/openpyxl.com\/blog\/wp-json\/wp\/v2\/categories?post=39"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/openpyxl.com\/blog\/wp-json\/wp\/v2\/tags?post=39"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}