{"id":18595,"date":"2024-03-15T17:16:27","date_gmt":"2024-03-15T17:16:27","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/how-to-round-in-c\/"},"modified":"2024-03-21T13:41:03","modified_gmt":"2024-03-21T13:41:03","slug":"how-to-round-in-c","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/how-to-round-in-c\/","title":{"rendered":"How to round in C#?"},"content":{"rendered":"<p>In C#, you can use the Math.Round() method to achieve rounding.<\/p>\n<p>The Math.Round(double value) method takes a double type parameter and returns the closest integer or floating-point number to the parameter value. If the decimal part of the parameter value is greater than or equal to 0.5, it rounds up; if the decimal part is less than 0.5, it rounds down; if the decimal part is equal to 0.5, it rounds according to the even number rule.<\/p>\n<p>Here is an example:<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-built_in\">double<\/span> x = <span class=\"hljs-number\">3.45<\/span>;\r\n<span class=\"hljs-built_in\">double<\/span> y = Math.Round(x); <span class=\"hljs-comment\">\/\/ \u7ed3\u679c\u4e3a 3<\/span>\r\n\r\n<span class=\"hljs-built_in\">double<\/span> z = <span class=\"hljs-number\">3.55<\/span>;\r\n<span class=\"hljs-built_in\">double<\/span> w = Math.Round(z); <span class=\"hljs-comment\">\/\/ \u7ed3\u679c\u4e3a 4<\/span>\r\n<\/code><\/pre>\n<p>If you want to specify the number of decimal places to retain, you can use the Math.Round(double value, int decimals) method, where the second parameter specifies the number of decimal places to retain.<\/p>\n<p>Here is an example:<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-built_in\">double<\/span> a = <span class=\"hljs-number\">3.456789<\/span>;\r\n<span class=\"hljs-built_in\">double<\/span> b = Math.Round(a, <span class=\"hljs-number\">2<\/span>); <span class=\"hljs-comment\">\/\/ \u7ed3\u679c\u4e3a 3.46<\/span>\r\n<\/code><\/pre>\n<p>Note that the Math.Round() method can also be used to round other numeric types such as decimal and float.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In C#, you can use the Math.Round() method to achieve rounding. The Math.Round(double value) method takes a double type parameter and returns the closest integer or floating-point number to the parameter value. If the decimal part of the parameter value is greater than or equal to 0.5, it rounds up; if the decimal part is [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-18595","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How to round in C#? - Blog - Silicon Cloud<\/title>\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-to-round-in-c\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to round in C#?\" \/>\n<meta property=\"og:description\" content=\"In C#, you can use the Math.Round() method to achieve rounding. 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If the decimal part of the parameter value is greater than or equal to 0.5, it rounds up; if the decimal part is [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/blog\/how-to-round-in-c\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/SiliCloudGlobal\/\" \/>\n<meta property=\"article:published_time\" content=\"2024-03-15T17:16:27+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-03-21T13:41:03+00:00\" \/>\n<meta name=\"author\" content=\"William Carter\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@SiliCloudGlobal\" \/>\n<meta name=\"twitter:site\" content=\"@SiliCloudGlobal\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"William Carter\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-to-round-in-c\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-to-round-in-c\/\"},\"author\":{\"name\":\"William Carter\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/f697031891aacefc4b681d139781d3c0\"},\"headline\":\"How to round in C#?\",\"datePublished\":\"2024-03-15T17:16:27+00:00\",\"dateModified\":\"2024-03-21T13:41:03+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-to-round-in-c\/\"},\"wordCount\":145,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/#organization\"},\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-to-round-in-c\/\",\"url\":\"https:\/\/www.silicloud.com\/blog\/how-to-round-in-c\/\",\"name\":\"How to round in C#? 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