{"id":65441,"date":"2026-09-28T19:26:21","date_gmt":"2026-09-28T16:26:21","guid":{"rendered":"https:\/\/wpcalc.com\/en\/?p=65441"},"modified":"2026-09-29T15:19:09","modified_gmt":"2026-09-29T12:19:09","slug":"brix-to-specific-gravity-converter","status":"publish","type":"post","link":"https:\/\/wpcalc.com\/en\/converters\/brix-to-specific-gravity-converter\/","title":{"rendered":"Brix to Specific Gravity Converter"},"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 id=\"calculator-title\" class=\"text-lg font-display font-bold\">Convert Brix to Specific Gravity<\/h2><\/div><div class=\"calcdash-favorite group\">\n  <button type=\"button\" class=\"favorite\" id=\"favorite\" data-favorite-id=\"65441\" data-favorite-title=\"Brix to SG\" data-favorite-url=\"https:\/\/wpcalc.com\/en\/converters\/brix-to-specific-gravity-converter\/\" data-favorite-excerpt=\"Convert a refractometer or hydrometer reading between Brix, Plato and specific gravity. Enter your measured value, pick the unit, set the wort correction factor if needed, and get SG, \u00b0Bx, \u00b0P and estimated alcohol potential.\" aria-label=\"Add to Favorites\" data-favorite-icon=\"icon icon-chemistry\">\n    <span class=\"icon icon-shape-star-empty\" aria-hidden=\"true\"><\/span>\n  <\/button>\n  <div class=\"calcdash-favorite__tip\" aria-hidden=\"true\">\n   <span class=\"favorite-tooltip\" id=\"favorite-tooltip\"><\/span>\n  <\/div>\n  <span class=\"sr-only\" role=\"status\" id=\"favorite-status\"><\/span>\n<\/div><\/div><form action=\"https:\/\/wpcalc.com\/en\/converters\/brix-to-specific-gravity-converter\/\" method=\"POST\" class=\"calculator\" id=\"calculator-65441\" data-post=\"65441\"><fieldset class=\"fieldset-input is-1\"><legend class=\"sr-only\">Input Fields<\/legend><div class=\"field is-single has-term\" id=\"input-1\"><label for=\"field-1\">Measured Value<\/label><div class=\"term\">Bx \/ SG<\/div>  <div class=\"absolute bottom-0 left-16 top-8 w-2 h-0.5 bg-blue-500\"><\/div><div class=\"field-group\"><input type=\"number\" name=\"measured_value\" id=\"field-1\" aria-describedby=\"calc-info-1\" placeholder=\"e.g. 12\" step=\"any\" value=\"12\"\/><div class=\"grid grid-cols-1\"><select id=\"field-2\" name=\"unit\" aria-label=\"Unit\"><option value=\"brix\" selected>Brix (\u00b0Bx)<\/option><option value=\"sg\">Specific Gravity<\/option><option value=\"plato\">Plato (\u00b0P)<\/option><\/select><svg class=\"pointer-events-none col-start-1 row-start-1 mr-2 size-5 self-center justify-self-end text-gray-500 sm:size-4\" viewBox=\"0 0 16 16\" fill=\"currentColor\" aria-hidden=\"true\" data-slot=\"icon\">\n              <path fill-rule=\"evenodd\" d=\"M4.22 6.22a.75.75 0 0 1 1.06 0L8 8.94l2.72-2.72a.75.75 0 1 1 1.06 1.06l-3.25 3.25a.75.75 0 0 1-1.06 0L4.22 7.28a.75.75 0 0 1 0-1.06Z\" clip-rule=\"evenodd\" \/>\n            <\/svg><\/div><\/div><small id=\"calc-info-1\">Enter a refractometer or hydrometer reading and choose its unit<\/small><\/div><div class=\"field has-term\" id=\"input-2\"><label for=\"field-3\">Wort Correction Factor<\/label><div class=\"term\">CF<\/div>  <div class=\"absolute bottom-0 left-16 top-8 w-2 h-0.5 bg-blue-500\"><\/div><input type=\"text\" name=\"wort_correction_factor\" id=\"field-3\" aria-describedby=\"calc-info-3\" data-number inputmode=\"decimal\" autocomplete=\"off\" spellcheck=\"false\" min=\"1\" max=\"2\" value=\"1\"\/><small id=\"calc-info-3\">1.00 for juice, wine must or sugar solutions; 1.03\u20131.05 for beer wort read with a refractometer<\/small><\/div><\/fieldset><div class=\"buttons\"><button type=\"submit\" data-text=\"Re-Calculate\" id=\"calculate-button\" data-post=\"65441\">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> Converted Values<\/h3><div class=\"result-box\"><div class=\"field-result\" id=\"output-1\"><span class=\"field-title\"><span>Specific Gravity<\/span><\/span><span class=\"field-value\" id=\"result-1\"><\/span><button type=\"button\" class=\"copy-result\" data-tooltip=\"Copy Result\" aria-label=\"Copy Result\"><span class=\"copy-icon icon icon-document-copy\" aria-hidden=\"true\"><\/span><\/button><\/div><div class=\"field-result\" id=\"output-2\"><span class=\"field-title\"><span>Brix<\/span><\/span><span class=\"field-value\" id=\"result-2\" data-unit=\"\u00b0Bx\"><\/span><button type=\"button\" class=\"copy-result\" data-tooltip=\"Copy Result\" aria-label=\"Copy Result\"><span class=\"copy-icon icon icon-document-copy\" aria-hidden=\"true\"><\/span><\/button><\/div><div class=\"field-result\" id=\"output-3\"><span class=\"field-title\"><span>Plato<\/span><\/span><span class=\"field-value\" id=\"result-3\" data-unit=\"\u00b0P\"><\/span><button type=\"button\" class=\"copy-result\" data-tooltip=\"Copy Result\" aria-label=\"Copy Result\"><span class=\"copy-icon icon icon-document-copy\" aria-hidden=\"true\"><\/span><\/button><\/div><div class=\"field-result\" id=\"output-4\"><span class=\"field-title\"><span>Approximate Alcohol Potential<\/span><\/span><span class=\"field-value\" id=\"result-4\" data-unit=\"% ABV\"><\/span><button type=\"button\" class=\"copy-result\" data-tooltip=\"Copy Result\" aria-label=\"Copy Result\"><span class=\"copy-icon icon icon-document-copy\" aria-hidden=\"true\"><\/span><\/button><\/div><\/div><div class=\"result-actions\"><button type=\"button\" class=\"copy-link\"><svg viewBox=\"0 0 20 20\" fill=\"currentColor\" aria-hidden=\"true\"><path d=\"M12.232 4.232a2.5 2.5 0 0 1 3.536 3.536l-1.225 1.224a.75.75 0 0 0 1.061 1.06l1.224-1.224a4 4 0 0 0-5.656-5.656l-3 3a4 4 0 0 0 .225 5.865.75.75 0 0 0 .977-1.138 2.5 2.5 0 0 1-.142-3.667l3-3Z\"\/><path d=\"M11.603 7.963a.75.75 0 0 0-.977 1.138 2.5 2.5 0 0 1 .142 3.667l-3 3a2.5 2.5 0 0 1-3.536-3.536l1.225-1.224a.75.75 0 0 0-1.061-1.06l-1.224 1.224a4 4 0 1 0 5.656 5.656l3-3a4 4 0 0 0-.225-5.865Z\"\/><\/svg><span class=\"copy-link__text\">Copy link to this calculation<\/span><\/button><span class=\"sr-only\" role=\"status\" id=\"copy-link-status\"><\/span><\/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=\"65441\" aria-live=\"polite\" aria-labelledby=\"calc-reactions-title\"><p id=\"calc-reactions-title\" class=\"text-sm text-gray-500 text-center mb-2\">How did this result make you feel?<\/p><div role=\"group\" aria-labelledby=\"calc-reactions-title\" class=\"grid grid-cols-3 sm:flex sm:flex-row sm:justify-around gap-4 sm:items-center sm:flex-wrap\"><button type=\"button\" aria-pressed=\"false\" 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\" aria-hidden=\"true\">\ud83d\ude00 <\/span><span class=\"reaction-description font-medium\">Like <\/span><\/button><button type=\"button\" aria-pressed=\"false\" 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\" aria-hidden=\"true\">\ud83d\udca1 <\/span><span class=\"reaction-description font-medium\">Helpful <\/span><\/button><button type=\"button\" aria-pressed=\"false\" 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\" aria-hidden=\"true\">\ud83d\ude15 <\/span><span class=\"reaction-description font-medium\">Confused <\/span><\/button><button type=\"button\" aria-pressed=\"false\" 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\" aria-hidden=\"true\">\ud83d\ude1e <\/span><span class=\"reaction-description font-medium\">Disappointed <\/span><\/button><button type=\"button\" aria-pressed=\"false\" 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\" aria-hidden=\"true\">\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><div class=\"calcdash-ad not-prose calcdash-ad--calc_result calcdash-ad--in-article\"><ins class=\"adsbygoogle\" style=\"display:block\" data-ad-client=\"ca-pub-1721569815777345\" data-ad-slot=\"6317458308\" data-ad-layout=\"in-article\" data-ad-format=\"fluid\"><\/ins><script>(adsbygoogle = window.adsbygoogle || []).push({});<\/script><\/div>\n<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>Brix to Specific Gravity Formula<\/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\\[ SG = 1 + \\frac{P}{258.6 - \\dfrac{P}{258.2} \\times 227.1} \\]\n\\[ ABV_{potential} \\approx (SG - 1) \\times 131.25 \\]\n<\/div>\r\n\t<\/figure>\r\n\t<\/p>\n<p><strong>Where:<\/strong><\/p>\n<ul>\n<li>\\(SG\\) \u2014 specific gravity (dimensionless, e.g. 1.048)<\/li>\n<li>\\(P\\) \u2014 extract content in degrees Plato (\u00b0P). For a refractometer Brix reading, \\(P = {}\\)Brix \\(\\times\\) correction factor<\/li>\n<li>\\(ABV_{potential}\\) \u2014 approximate alcohol by volume if the solution fully ferments to dryness<\/li>\n<\/ul>\n<p>The first equation is the ASBC (American Society of Brewing Chemists) conversion, widely used to translate between extract percentages and specific gravity. The second gives a quick estimate of the alcohol a must or wort can potentially produce.<\/p>\n<p>\r\n<\/section>\n<style id=\"wpcoderpro-inline-459\">.calculation-box {\r\n\tborder-bottom: none !important;\r\n}<\/style><section id=\"calculation\" class=\"calculation-box\" aria-labelledby=\"calculation-title\">\r\n\t<div id=\"calculation-title\" class=\"not-prose font-display\"><span class=\"icon icon-unordered-list\" aria-hidden=\"true\"><\/span><h2>Brix to SG \u2013 Calculation Example<\/h2><\/div>\r\n\r\n<\/p>\n<p><strong>Example:<\/strong> a refractometer reads 12 \u00b0Bx on a juice sample, with a wort correction factor of 1.00.<\/p>\n<p>\\[ P = 12 \\times 1.00 = 12 \\]<br \/>\n\\[ SG = 1 + \\frac{12}{258.6 - \\frac{12}{258.2} \\times 227.1} = 1 + \\frac{12}{248.05} = 1.0484 \\]<br \/>\n\\[ ABV \\approx (1.0484 - 1) \\times 131.25 = 6.35\\% \\]<\/p>\n<p><strong>Result:<\/strong> Specific gravity 1.0484, Brix 12.00 \u00b0Bx, Plato 12.00 \u00b0P, approximate alcohol potential 6.35 % ABV.<\/p>\n<p>\n\r\n<\/section>\n<h2>How to Use the Calculator<\/h2>\n<ol>\n<li>Enter your reading in the <strong>Measured Value<\/strong> field (e.g. 12).<\/li>\n<li>Choose the unit of that reading in the <strong>Unit<\/strong> dropdown: <em>Brix (\u00b0Bx)<\/em>, <em>Specific Gravity<\/em>, or <em>Plato (\u00b0P)<\/em>.<\/li>\n<li>Set the <strong>Wort Correction Factor<\/strong>. Leave it at 1.00 for juice, wine must or plain sugar solutions; use 1.03\u20131.05 if you measured beer wort with a refractometer.<\/li>\n<li>Read the results: <strong>Specific Gravity<\/strong>, <strong>Brix<\/strong>, <strong>Plato<\/strong> and <strong>Approximate Alcohol Potential<\/strong> in % ABV.<\/li>\n<\/ol>\n<h2>What Are Brix, Plato and Specific Gravity?<\/h2>\n<p>Brix (\u00b0Bx) and Plato (\u00b0P) both express the percentage of dissolved sugar (extract) by weight: a 12 \u00b0Bx solution contains roughly 12 grams of sucrose per 100 grams of liquid. The two scales are practically identical for sugar solutions \u2014 Brix is the common term in winemaking and the food industry, while Plato dominates in brewing.<\/p>\n<p>Specific gravity (SG) is the ratio of a liquid's density to the density of pure water, so water has an SG of 1.000. The more sugar is dissolved, the denser the liquid and the higher the SG. A wine must at 1.0484, for instance, is about 4.8% denser than water. Brewers and winemakers use SG because hydrometers read it directly and because the drop in SG during fermentation is what reveals the alcohol actually produced. Since SG is fundamentally a <a href=\"https:\/\/wpcalc.com\/en\/converters\/density-units-converter\/\">density<\/a> comparison, it can also be translated into absolute units with a density converter.<\/p>\n<p>The alcohol potential figure estimates the strength of a fully fermented, dry beverage. It assumes all sugar is converted and is only a rough guide: real attenuation, residual sugar and fermentation by-products mean the final ABV usually lands slightly below this number.<\/p>\n<h2>Reference Table: Brix to SG (Correction Factor = 1)<\/h2>\n<table>\n<thead>\n<tr>\n<th>Brix (\u00b0Bx)<\/th>\n<th>Specific Gravity<\/th>\n<th>Approx. Alcohol Potential<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>5<\/td>\n<td>1.0197<\/td>\n<td>2.6 % ABV<\/td>\n<\/tr>\n<tr>\n<td>10<\/td>\n<td>1.0400<\/td>\n<td>5.3 % ABV<\/td>\n<\/tr>\n<tr>\n<td>12<\/td>\n<td>1.0484<\/td>\n<td>6.4 % ABV<\/td>\n<\/tr>\n<tr>\n<td>15<\/td>\n<td>1.0611<\/td>\n<td>8.0 % ABV<\/td>\n<\/tr>\n<tr>\n<td>20<\/td>\n<td>1.0830<\/td>\n<td>10.9 % ABV<\/td>\n<\/tr>\n<tr>\n<td>25<\/td>\n<td>1.1057<\/td>\n<td>13.9 % ABV<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Assumptions, Limitations and Tips<\/h2>\n<ul>\n<li><strong>Wort correction factor:<\/strong> refractometers are calibrated for sucrose solutions. Beer wort contains proteins and other dissolved solids that bend light differently, so a refractometer Brix reading on wort must be multiplied by a factor of about 1.03\u20131.05 before converting. Determine your instrument's own factor by comparing it against a hydrometer. The factor applies only to refractometer readings \u2014 leave it at 1.00 if you enter SG or Plato directly.<\/li>\n<li><strong>Fermented samples:<\/strong> this converter is intended for pre-fermentation readings. Once alcohol is present, it changes the refractive index, and a plain Brix-to-SG conversion becomes inaccurate; special formulas are needed to read ABV from a refractometer during or after fermentation.<\/li>\n<li><strong>Temperature:<\/strong> both hydrometers and refractometers are calibrated to a reference temperature (often 20 \u00b0C). Readings taken far from that temperature should be temperature-corrected first.<\/li>\n<li><strong>Brix vs. Plato:<\/strong> the calculator treats them as equal, which is accurate to within about 0.1% for sugar solutions \u2014 well beyond the precision of home instruments.<\/li>\n<li><strong>Related conversions:<\/strong> if you work with dissolved concentrations in other forms, see the <a href=\"https:\/\/wpcalc.com\/en\/converters\/ppm-to-percent-mg-l-converter\/\">PPM to percent and mg\/L converter<\/a> or the <a href=\"https:\/\/wpcalc.com\/en\/converters\/blood-sugar-units-converter-mg-dl-to-mmol-l\/\">blood sugar unit converter<\/a> for glucose measurements in mg\/dL and mmol\/L.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Convert a refractometer or hydrometer reading between Brix, Plato and specific gravity. Enter your measured value, pick the unit, set the wort correction factor if needed, and get SG, \u00b0Bx, \u00b0P and estimated alcohol potential.<\/p>\n","protected":false},"author":3168,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[3],"tags":[17],"class_list":["post-65441","post","type-post","status-publish","format-standard","hentry","category-converters","tag-chemistry-units"],"acf":[],"_links":{"self":[{"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/posts\/65441","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\/3168"}],"replies":[{"embeddable":true,"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/comments?post=65441"}],"version-history":[{"count":3,"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/posts\/65441\/revisions"}],"predecessor-version":[{"id":65675,"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/posts\/65441\/revisions\/65675"}],"wp:attachment":[{"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/media?parent=65441"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/categories?post=65441"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/tags?post=65441"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}