{"id":57647,"date":"2016-01-16T14:10:49","date_gmt":"2016-01-16T12:10:49","guid":{"rendered":"http:\/\/wpcalc.com\/?p=57647"},"modified":"2025-05-20T10:46:00","modified_gmt":"2025-05-20T07:46:00","slug":"alcohol-in-blood","status":"publish","type":"post","link":"https:\/\/wpcalc.com\/en\/medical\/alcohol-in-blood\/","title":{"rendered":"Blood Alcohol Content (BAC) Calculator"},"content":{"rendered":"<section class=\"not-prose calculator-box\" aria-labelledby=\"calculator-title\"><div class=\"flex items-baseline sm:items-center justify-between gap-2 sm:gap-3\"><div class=\"flex flex-col sm:flex-row sm:items-center gap-2\"><span class=\"icon icon-calculator text-primary-700! text-base! dark:text-primary-300!\" aria-hidden=\"true\"><\/span><h2 class=\"text-lg font-display font-bold\">BAC and BAL Estimator<\/h2><\/div><div class=\"relative group inline-block\">\n  <button class=\"favorite\" id=\"favorite\" data-favorite-id=\"57647\" data-favorite-title=\"Blood Alcohol Content (BAC)\" data-favorite-url=\"https:\/\/wpcalc.com\/en\/medical\/alcohol-in-blood\/\" data-favorite-excerpt=\"This calculator estimates your Blood Alcohol Content (BAC) or Blood Alcohol Level (BAL) based on your weight, gender, the number of drinks consumed, and the time elapsed. It helps you understand your level of intoxication and potential impairment after alcohol consumption.\" aria-label=\"Add to Favorites\" data-favorite-icon=\"icon icon-smoking\">\n    <span class=\"icon icon-shape-star-empty\"><\/span>\n  <\/button>\n  <div class=\"absolute right-full -translate-y-1\/2 top-1\/2 mr-2 w-max max-w-xs px-3 py-2 bg-gray-800 text-white text-xs rounded shadow-lg opacity-0 group-hover:opacity-100 transition-opacity duration-200 z-10 pointer-events-none\">\n   <span class=\"favorite-tooltip\" id=\"favorite-tooltip\"><\/span>\n  <\/div>\n<\/div><\/div><form action=\"https:\/\/wpcalc.com\/en\/medical\/alcohol-in-blood\/\" method=\"POST\" class=\"calculator\" id=\"calculator-57647\" data-post=\"57647\"><fieldset class=\"fieldset-input\"><legend class=\"sr-only\">Input Fields<\/legend><div class=\"field\" id=\"input-1\"><label for=\"field-1\">Weight<\/label><input type=\"number\" name=\"weight\" id=\"field-1\" min=\"20\" max=\"250\" step=\"any\" value=\"70\"\/><div class=\"unit\">kg<\/div><\/div><div class=\"field\" id=\"input-2\"><label for=\"field-2\">Quantity of Alcohol<\/label><input type=\"number\" name=\"quantity_of_alcohol\" id=\"field-2\" min=\"0\" step=\"any\" value=\"500\"\/><div class=\"unit\">ml<\/div><\/div><div class=\"field\" id=\"input-3\"><label for=\"field-3\">Alcohol Content<\/label><input type=\"number\" name=\"alcohol_content\" id=\"field-3\" min=\"0\" step=\"0.01\" value=\"3.6\"\/><div class=\"unit\">%<\/div><\/div><div class=\"field\" id=\"input-4\"><label for=\"field-4\">Hours you have been drinking<\/label><input type=\"number\" name=\"hours_you_have_been_drinking\" id=\"field-4\" min=\"0\" step=\"any\" value=\"1\"\/><div class=\"unit\">hours<\/div><\/div><\/fieldset><div class=\"buttons\"><button type=\"submit\" data-text=\"Re-Calculate\" id=\"calculate-button\" data-post=\"57647\">Calculate<\/button><button type=\"reset\">Reset<\/button><\/div><div class=\"field is-checkbox hidden!\" id=\"field-auto-calc\"><input type=\"checkbox\" id=\"auto-calc\"><label for=\"auto-calc\">Calculate automatically<\/label><small>If enabled, the result will update automatically when you change any value.<\/small><\/div><div class=\"fieldset-result is-hidden\" aria-labelledby=\"result-title\" aria-live=\"polite\" role=\"region\"> <h3 class=\"result-title bg-gradient-to-r from-primary-50 to-gray-50 dark:from-primary-900 dark:to-gray-800\" id=\"result-title\"><span class=\"icon icon-s-pulse\" aria-hidden=\"true\"><\/span> Your Results<\/h3><div class=\"result-box\"><div class=\"field-result\" id=\"output-1\"><span class=\"field-title\"><span>Blood Alcohol Content<\/span><span class=\"result-term\">bac<\/span><\/span><span class=\"field-value\" id=\"result-1\" data-unit=\"%\"><\/span><button class=\"copy-result\" data-tooltip=\"Copy Result\"><span class=\"copy-icon icon icon-document-copy\"><\/span><\/button><\/div><div class=\"field-result\" id=\"output-2\"><span class=\"field-title\"><span>Interpretation<\/span><span class=\"result-term\">message<\/span><\/span><span class=\"field-value\" id=\"result-2\"><\/span><button class=\"copy-result\" data-tooltip=\"Copy Result\"><span class=\"copy-icon icon icon-document-copy\"><\/span><\/button><\/div><\/div><\/div><a href=\"#respond\" class=\"hidden transition-opacity duration-300 opacity-0 w-50 text-sm justify-center items-center gap-2 px-4 py-2 rounded bg-gray-200 text-gray-700 hover:bg-gray-300\" id=\"leave-comment\"><span class=\"icon icon-comments\" aria-hidden=\"true\"><\/span>Leave a Comment<\/a><\/form><\/section><section id=\"calc-reactions\" class=\"not-prose hidden my-12 bg-gradient-to-r from-primary-50 to-gray-50 border border-indigo-100 rounded-xl px-6 py-4 shadow-sm\" data-post=\"57647\" aria-live=\"polite\"><h2 class=\"text-sm text-gray-500 text-center mb-2\">How did this result make you feel?<\/h2><div class=\"grid grid-cols-3 sm:flex sm:flex-row sm:justify-around gap-4 sm:items-center sm:flex-wrap\"><button class=\"reaction-btn flex flex-col items-center gap-1 text-sm text-gray-700 hover:text-primary-600 cursor-pointer transition-transform hover:scale-105\" data-reaction=\"like\"><span class=\"reaction-count\" data-reaction-count=\"like\">0<\/span><span class=\"reaction text-3xl\">\ud83d\ude00 <\/span><span class=\"reaction-description font-medium\">Like <\/span><\/button><button class=\"reaction-btn flex flex-col items-center gap-1 text-sm text-gray-700 hover:text-primary-600 cursor-pointer transition-transform hover:scale-105\" data-reaction=\"helpful\"><span class=\"reaction-count\" data-reaction-count=\"helpful\">0<\/span><span class=\"reaction text-3xl\">\ud83d\udca1 <\/span><span class=\"reaction-description font-medium\">Helpful <\/span><\/button><button class=\"reaction-btn flex flex-col items-center gap-1 text-sm text-gray-700 hover:text-primary-600 cursor-pointer transition-transform hover:scale-105\" data-reaction=\"confused\"><span class=\"reaction-count\" data-reaction-count=\"confused\">0<\/span><span class=\"reaction text-3xl\">\ud83d\ude15 <\/span><span class=\"reaction-description font-medium\">Confused <\/span><\/button><button class=\"reaction-btn flex flex-col items-center gap-1 text-sm text-gray-700 hover:text-primary-600 cursor-pointer transition-transform hover:scale-105\" data-reaction=\"disappointed\"><span class=\"reaction-count\" data-reaction-count=\"disappointed\">0<\/span><span class=\"reaction text-3xl\">\ud83d\ude1e <\/span><span class=\"reaction-description font-medium\">Disappointed <\/span><\/button><button class=\"reaction-btn flex flex-col items-center gap-1 text-sm text-gray-700 hover:text-primary-600 cursor-pointer transition-transform hover:scale-105\" data-reaction=\"inaccurate\"><span class=\"reaction-count\" data-reaction-count=\"inaccurate\">0<\/span><span class=\"reaction text-3xl\">\u274c <\/span><span class=\"reaction-description font-medium\">Inaccurate <\/span><\/button><\/div><div id=\"reaction-message\" class=\"hidden mt-8 rounded-md border border-primary-100 bg-white\/50 backdrop-blur-sm px-4 py-2 text-sm text-center shadow-sm\"><\/div><\/section><ins class=\"adsbygoogle\"\n     style=\"display:block; text-align:center; margin: 32px 0;\"\n     data-ad-layout=\"in-article\"\n     data-ad-format=\"fluid\"\n     data-ad-client=\"ca-pub-1721569815777345\"\n     data-ad-slot=\"6317458308\"><\/ins>\n<script>\n     (adsbygoogle = window.adsbygoogle || []).push({});\n<\/script>\n<p><style id=\"wpcoderpro-inline-1\">.formula-box {\r\n\tborder-bottom: none !important;\r\n}<\/style><section class=\"formula-box\" aria-labelledby=\"formula-title\">\r\n\t<div id=\"formula-title\" class=\"not-prose font-display mb-4\"><span class=\"icon icon-formula\" aria-hidden=\"true\"><\/span><h2>Widmark Formula for Blood Alcohol Content<\/h2><\/div>\r\n\t<figure class=\"not-prose formula\">\r\n\t\t<figcaption class=\"formula-title\">Formula<\/figcaption>\r\n\t\t<div class=\"text-base text-gray-800\" id=\"formula\">\n$$BAC = \\frac{A \\times 5.14}{W \\times r} &#8211; 0.015 \\times H$$\n<\/div>\r\n\t<\/figure>\r\n\t<br \/>\n<strong>Where:<\/strong><\/p>\n<ul>\n<li>$$A$$ = total alcohol consumed in ounces (oz)<\/li>\n<li>$$W$$ = body weight in pounds (lbs)<\/li>\n<li>$$r$$ = alcohol distribution ratio (0.73 for men, 0.66 for women)<\/li>\n<li>$$H$$ = hours since drinking began<\/li>\n<li>$$0.015$$ = average alcohol metabolization rate per hour<\/li>\n<\/ul>\n<p>\r\n<\/section><br \/>\nThe BAC calculator is a useful tool to estimate how intoxicated a person might be after consuming alcohol. It uses the Widmark formula to determine the percentage of alcohol in the bloodstream. Knowing your BAC can help make informed decisions regarding driving, physical activity, or health risks. Keep in mind that individual variations in metabolism, food intake, and health conditions may influence actual alcohol levels. The results are estimates and should not be used to justify unsafe behavior.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>This calculator estimates your Blood Alcohol Content (BAC) or Blood Alcohol Level (BAL) based on your weight, gender, the number of drinks consumed, and the time elapsed. It helps you understand your level of intoxication and potential impairment after alcohol consumption.<\/p>\n","protected":false},"author":70,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[8],"tags":[53],"class_list":["post-57647","post","type-post","status-publish","format-standard","hentry","category-medical","tag-lifestyle"],"acf":[],"_links":{"self":[{"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/posts\/57647","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/users\/70"}],"replies":[{"embeddable":true,"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/comments?post=57647"}],"version-history":[{"count":3,"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/posts\/57647\/revisions"}],"predecessor-version":[{"id":64690,"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/posts\/57647\/revisions\/64690"}],"wp:attachment":[{"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/media?parent=57647"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/categories?post=57647"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/tags?post=57647"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}