{"id":12189,"date":"2024-03-14T15:18:44","date_gmt":"2024-03-14T15:18:44","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/how-is-the-to_number-function-used-in-oracle\/"},"modified":"2025-08-04T22:33:06","modified_gmt":"2025-08-04T22:33:06","slug":"how-is-the-to_number-function-used-in-oracle","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/how-is-the-to_number-function-used-in-oracle\/","title":{"rendered":"Oracle TO_NUMBER Function Guide"},"content":{"rendered":"

The TO_NUMBER function in Oracle is used to convert a string or date into a numeric value.<\/p>\n

Syntax:
\nTO_NUMBER(expression, format, nlsparams)<\/p>\n

Parameters:<\/p>\n

    \n
  1. The expression that needs to be converted into a number can be a string or a date.<\/li>\n
  2. Format: Optional parameter that specifies the format of the input expression. If no format is specified, Oracle will automatically choose the appropriate format based on the data type of the expression.<\/li>\n
  3. nlsparams: Optional parameters used to specify language environment settings.<\/li>\n<\/ol>\n

    Example:
    \nSELECT CAST(‘12345’ AS NUMBER) AS result
    \nFROM dual;<\/p>\n

    The above example converts the string ‘12345’ into a numeric value and outputs it as the result.<\/p>\n","protected":false},"excerpt":{"rendered":"

    The TO_NUMBER function in Oracle is used to convert a string or date into a numeric value. Syntax: TO_NUMBER(expression, format, nlsparams) Parameters: The expression that needs to be converted into a number can be a string or a date. Format: Optional parameter that specifies the format of the input expression. If no format is specified, […]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[1],"tags":[5894,3489,5892,6405,14654],"class_list":["post-12189","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-oracle-data-conversion","tag-oracle-functions","tag-oracle-to_number","tag-sql-conversion","tag-to_number-syntax"],"yoast_head":"\nOracle TO_NUMBER Function Guide - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"Master Oracle's TO_NUMBER function: convert strings\/dates to numbers with syntax, parameters & examples.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/blog\/how-is-the-to_number-function-used-in-oracle\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Oracle TO_NUMBER Function Guide\" \/>\n<meta property=\"og:description\" content=\"Master Oracle's TO_NUMBER function: convert strings\/dates to numbers with syntax, parameters & examples.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/blog\/how-is-the-to_number-function-used-in-oracle\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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