{"id":67243,"date":"2026-10-20T13:06:02","date_gmt":"2026-10-20T10:06:02","guid":{"rendered":"https:\/\/wpcalc.com\/en\/?p=67243"},"modified":"2026-10-26T09:41:25","modified_gmt":"2026-10-26T06:41:25","slug":"mg-to-ml-converter","status":"publish","type":"post","link":"https:\/\/wpcalc.com\/en\/converters\/mg-to-ml-converter\/","title":{"rendered":"mg to mL Converter \u2013 Milligrams to Milliliters"},"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 mg to mL (and mL to mg)<\/h2><\/div><div class=\"calcdash-favorite group\">\n  <button type=\"button\" class=\"favorite\" id=\"favorite\" data-favorite-id=\"67243\" data-favorite-title=\"mg to mL\" data-favorite-url=\"https:\/\/wpcalc.com\/en\/converters\/mg-to-ml-converter\/\" data-favorite-excerpt=\"Convert milligrams to milliliters (or the reverse) for liquid medicines and pure substances. Enter the concentration from the label or use a preset density, and get an instant, step-by-step result.\" 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\/mg-to-ml-converter\/\" method=\"POST\" class=\"calculator\" id=\"calculator-67243\" data-post=\"67243\"><fieldset class=\"fieldset-input is-2\"><legend class=\"sr-only\">Input Fields<\/legend><div class=\"field is-single\" id=\"input-1\"><label for=\"field-1\">Conversion basis<\/label><div class=\"grid grid-cols-1\"><select id=\"field-1\" name=\"conversion_basis\"><option value=\"concentration\" selected>By concentration (medicine, liquid solution)<\/option><option value=\"density\">By density (pure substance)<\/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><div class=\"field is-single\" id=\"input-2\"><label for=\"field-2\">Direction<\/label><div class=\"grid grid-cols-1\"><select id=\"field-2\" name=\"direction\"><option value=\"mg_to_ml\" selected>Milligrams (mg) \u2192 milliliters (mL)<\/option><option value=\"ml_to_mg\">Milliliters (mL) \u2192 milligrams (mg)<\/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><div class=\"is-single field\" id=\"input-3\"><span class=\"font-semibold\">Concentration<\/span><\/div><div class=\"field is-single\" id=\"input-4\"><label for=\"field-4\">Label format<\/label><div class=\"grid grid-cols-1\"><select id=\"field-4\" name=\"label_format\"><option value=\"mg_ml\" selected>mg per mL<\/option><option value=\"mg_5ml\">mg per 5 mL (syringe or label strength)<\/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><div class=\"field has-term\" id=\"input-5\"><label for=\"field-5\">Concentration (C)<\/label><div class=\"term\">C<\/div>  <div class=\"absolute bottom-0 left-16 top-8 w-2 h-0.5 bg-blue-500\"><\/div><input type=\"text\" name=\"concentration_c\" id=\"field-5\" aria-describedby=\"calc-info-5\" data-number inputmode=\"decimal\" autocomplete=\"off\" spellcheck=\"false\" min=\"0\" value=\"50\"\/><small id=\"calc-info-5\">Enter the strength exactly as the label shows it, e.g. 250 mg per 5 mL.<\/small><\/div><div class=\"is-single field\" id=\"input-6\" hidden><span class=\"font-semibold\">Density of the substance<\/span><\/div><div class=\"field is-single\" id=\"input-7\" hidden><label for=\"field-7\">Substance<\/label><div class=\"grid grid-cols-1\"><select id=\"field-7\" name=\"substance\"><option value=\"water\" selected>Water \u2014 1.0 g\/mL<\/option><option value=\"milk\">Milk \u2014 1.03 g\/mL<\/option><option value=\"oil\">Cooking oil \u2014 0.92 g\/mL<\/option><option value=\"honey\">Honey \u2014 1.42 g\/mL<\/option><option value=\"ethanol\">Ethanol \u2014 0.789 g\/mL<\/option><option value=\"custom\">Custom density<\/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><div class=\"field\" id=\"input-8\" hidden><label for=\"field-8\">Density (\u03c1)<\/label><input type=\"text\" name=\"density_\" id=\"field-8\" aria-describedby=\"calc-unit-8 calc-info-8\" data-number inputmode=\"decimal\" autocomplete=\"off\" spellcheck=\"false\" min=\"0\" value=\"1\"\/><div class=\"unit\" id=\"calc-unit-8\">g\/mL<\/div><small id=\"calc-info-8\">Used with the Custom option.<\/small><\/div><div class=\"field\" id=\"input-9\"><label for=\"field-9\">Mass (m)<\/label><input type=\"text\" name=\"mass_m\" id=\"field-9\" aria-describedby=\"calc-unit-9 calc-info-9\" data-number inputmode=\"decimal\" autocomplete=\"off\" spellcheck=\"false\" min=\"0\" value=\"500\"\/><div class=\"unit\" id=\"calc-unit-9\">mg<\/div><small id=\"calc-info-9\">Mass to convert into milliliters.<\/small><\/div><div class=\"field\" id=\"input-10\" hidden><label for=\"field-10\">Volume (V)<\/label><input type=\"text\" name=\"volume_v\" id=\"field-10\" aria-describedby=\"calc-unit-10 calc-info-10\" data-number inputmode=\"decimal\" autocomplete=\"off\" spellcheck=\"false\" min=\"0\" value=\"10\"\/><div class=\"unit\" id=\"calc-unit-10\">mL<\/div><small id=\"calc-info-10\">Volume to convert into milligrams.<\/small><\/div><\/fieldset><div class=\"buttons\"><button type=\"submit\" data-text=\"Re-Calculate\" id=\"calculate-button\" data-post=\"67243\">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> Conversion Result<\/h3><div class=\"result-box\"><div class=\"field-result\" id=\"output-1\"><span class=\"field-title\"><span>Volume<\/span><\/span><span class=\"field-value\" id=\"result-1\" data-unit=\"mL\"><\/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>Mass<\/span><\/span><span class=\"field-value\" id=\"result-2\" data-unit=\"mg\"><\/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>Concentration used<\/span><\/span><span class=\"field-value\" id=\"result-3\" data-unit=\"mg\/mL\"><\/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>Density used<\/span><\/span><span class=\"field-value\" id=\"result-4\" data-unit=\"g\/mL\"><\/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 is-column\" id=\"output-5\"><span class=\"field-title\"><span>Calculation detail<\/span><\/span><span class=\"field-value\" id=\"result-5\"><\/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 is-column\" id=\"output-6\"><span class=\"field-title\"><span>About mg \u2194 mL conversions<\/span><\/span><span class=\"field-value\" id=\"result-6\"><\/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=\"67243\" 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>mg to mL 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\">\\[ V = \\frac{m}{C} \\qquad \\text{or} \\qquad V = \\frac{m}{\\rho \\times 1000} \\]\n\\[ m = V \\times C \\qquad \\text{or} \\qquad m = V \\times \\rho \\times 1000 \\]\n\\[ C \\,(\\text{mg\/mL}) = \\frac{\\text{strength on the label, e.g. } 250\\ \\text{mg per}\\\\.5\\ \\text{mL}}{5} \\]<\/div>\r\n\t<\/figure>\r\n\t<\/p>\n<p><strong>Where:<\/strong><\/p>\n<ul>\n<li>\\(V\\) \u2014 volume (mL)<\/li>\n<li>\\(m\\) \u2014 mass (mg)<\/li>\n<li>\\(C\\) \u2014 concentration of the solution (mg\/mL)<\/li>\n<li>\\(\\rho\\) \u2014 density of the pure substance (g\/mL, so \\(\\rho \\times 1000\\) gives mg\/mL)<\/li>\n<\/ul>\n<p>Milligrams measure mass and milliliters measure volume, so there is no single fixed conversion factor. The bridge between them is either the concentration of a solution (liquid medicines) or the density of a pure substance.<\/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>mg to mL \u2013 Calculation Example<\/h2><\/div>\r\n\r\n<\/p>\n<p><strong>Example:<\/strong> a syrup is labeled <strong>50 mg per mL<\/strong> and a dose of <strong>500 mg<\/strong> is prescribed. How many milliliters should be measured?<\/p>\n<p>\\[ V = \\frac{m}{C} = \\frac{500\\ \\text{mg}}{50\\ \\text{mg\/mL}} = 10\\ \\text{mL} \\]<\/p>\n<p><strong>Result:<\/strong> 10 mL of syrup must be measured to deliver a 500 mg dose.<\/p>\n<p><strong>Second example (mg per 5 mL label):<\/strong> an antibiotic suspension is labeled <strong>250 mg per 5 mL<\/strong>. First convert the label strength:<\/p>\n<p>\\[ C = \\frac{250}{5} = 50\\ \\text{mg\/mL} \\]<\/p>\n<p>For a 3 mL dose, the mass is \\(m = 3 \\times 50 = 150\\) mg.<\/p>\n<p>\n\r\n<\/section>\n<h2>How to use the calculator<\/h2>\n<ol>\n<li>Choose the <strong>Conversion basis<\/strong>: \u201cBy concentration (medicine, liquid solution)\u201d or \u201cBy density (pure substance)\u201d.<\/li>\n<li>Set the <strong>Direction<\/strong>: milligrams to milliliters or milliliters to milligrams.<\/li>\n<li>If converting by concentration, pick the <strong>Label format<\/strong> \u2014 \u201cmg per mL\u201d or \u201cmg per 5 mL\u201d \u2014 and enter the strength exactly as printed on the bottle in the <strong>Concentration (C)<\/strong> field (for the \u201cper 5 mL\u201d format, enter the total strength, e.g. 250 for a 250 mg\/5 mL syrup; the calculator divides by 5 automatically).<\/li>\n<li>If converting by density, select a <strong>Substance<\/strong> (water, milk, cooking oil, honey, ethanol) or choose \u201cCustom density\u201d and enter the value in g\/mL in the <strong>Density (\u03c1)<\/strong> field.<\/li>\n<li>Enter the value you know: <strong>Mass (m)<\/strong> in mg for mg \u2192 mL, or <strong>Volume (V)<\/strong> in mL for mL \u2192 mg.<\/li>\n<li>Read the result, plus the concentration or density actually used and a line-by-line calculation detail.<\/li>\n<\/ol>\n<h2>What mg to mL conversion means<\/h2>\n<p>Milligrams (mg) are a unit of <em>mass<\/em> and milliliters (mL) are a unit of <em>volume<\/em>. They belong to different measurement dimensions, so converting between them always requires one extra piece of information. That information is either a <strong>concentration<\/strong> \u2014 how many milligrams of active ingredient are dissolved in each milliliter \u2014 or a <strong>density<\/strong> \u2014 how many grams one milliliter weighs.<\/p>\n<p>For liquid medicines, the concentration is printed on the label. Common formats are \u201c50 mg per 1 mL\u201d and \u201c250 mg per 5 mL\u201d. The second format is typical for syrups and suspensions measured with a 5 mL spoon or an oral syringe. The calculator accepts both formats directly, so you never have to rearrange the strength yourself.<\/p>\n<p>For pure substances \u2014 water, milk, oil, honey, ethanol \u2014 density does the work. Since 1 mL of water weighs 1 g, 1 mL contains 1000 mg, so for water the mg value and the mL value are numerically the same. Other liquids differ: 1 mL of honey weighs about 1.42 g (1420 mg), while 1 mL of cooking oil weighs about 0.92 g (920 mg). The calculator includes presets for these common substances at room temperature.<\/p>\n<p>Interpreting the result is straightforward: dividing a mass by the concentration (or by density in mg\/mL) tells you how much liquid to measure out; multiplying a volume by the concentration tells you how much active ingredient that volume contains. The \u201cCalculation detail\u201d line shows every step so you can verify the result against the label.<\/p>\n<h2>Assumptions, limitations and safety tips<\/h2>\n<ul>\n<li><strong>No universal factor exists.<\/strong> Any tool or chart claiming \u201c1 mg = X mL\u201d without a concentration or density is wrong unless it refers specifically to water.<\/li>\n<li><strong>Medical dosing:<\/strong> this calculator is a conversion aid, not medical advice. Always read the strength printed on the bottle, use the syringe or measuring cup supplied with the medicine, and follow your prescriber\u2019s or pharmacist\u2019s instructions. Suspensions must be shaken before measuring.<\/li>\n<li><strong>Label formats vary:<\/strong> if a label shows mg per teaspoon (tsp), note that 1 tsp \u2248 5 mL, which matches the \u201cmg per 5 mL\u201d option.<\/li>\n<li><strong>Preset densities<\/strong> are typical values at room temperature (about 20 \u00b0C). Real densities change slightly with temperature and with the exact product (whole vs. skim milk, olive vs. sunflower oil). For precise work, use a measured value or our <a href=\"https:\/\/wpcalc.com\/en\/converters\/density-units-converter\/\">Density Units Converter<\/a>.<\/li>\n<li><strong>Solutions vs. pure substances:<\/strong> the density of a solution (salt water, syrup) is not the concentration of the solute. For medicines, always use the stated concentration, never the density.<\/li>\n<li>For dilute aqueous solutions, concentration is sometimes expressed in ppm or mg\/L \u2014 see the <a href=\"https:\/\/wpcalc.com\/en\/converters\/ppm-to-percent-mg-l-converter\/\">PPM Converter<\/a> to relate those units to mg\/mL, and the <a href=\"https:\/\/wpcalc.com\/en\/converters\/gas-ppm-to-mg-m%c2%b3-converter\/\">Gas PPM to mg\/m\u00b3 Converter<\/a> for airborne concentrations.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Convert milligrams to milliliters (or the reverse) for liquid medicines and pure substances. Enter the concentration from the label or use a preset density, and get an instant, step-by-step result.<\/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-67243","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\/67243","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=67243"}],"version-history":[{"count":2,"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/posts\/67243\/revisions"}],"predecessor-version":[{"id":67545,"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/posts\/67243\/revisions\/67545"}],"wp:attachment":[{"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/media?parent=67243"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/categories?post=67243"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/tags?post=67243"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}