{"id":59360,"date":"2016-03-15T17:51:46","date_gmt":"2016-03-15T15:51:46","guid":{"rendered":"http:\/\/wpcalc.com\/?p=59360"},"modified":"2025-05-09T11:15:13","modified_gmt":"2025-05-09T08:15:13","slug":"total-parenteral-nutrition","status":"publish","type":"post","link":"https:\/\/wpcalc.com\/en\/medical\/total-parenteral-nutrition\/","title":{"rendered":"Total Parenteral Nutrition (TPN) 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\">TPN Requirements and Nutritional Breakdown Estimator<\/h2><\/div><div class=\"relative group inline-block\">\n  <button class=\"favorite\" id=\"favorite\" data-favorite-id=\"59360\" data-favorite-title=\"Total Parenteral Nutrition (TPN)\" data-favorite-url=\"https:\/\/wpcalc.com\/en\/medical\/total-parenteral-nutrition\/\" data-favorite-excerpt=\"This calculator helps determine the total nutritional needs of patients requiring parenteral (IV) nutrition. It estimates Basal Energy Expenditure (BEE), Ideal Body Weight (IBW), macronutrient distribution (lipids, dextrose, protein), nitrogen balance, and the non-protein calorie-to-nitrogen ratio.\" aria-label=\"Add to Favorites\" data-favorite-icon=\"icon icon-apple-2\">\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\/total-parenteral-nutrition\/\" method=\"POST\" class=\"calculator\" id=\"calculator-59360\" data-post=\"59360\"><fieldset class=\"fieldset-input\"><legend class=\"sr-only\">Input Fields<\/legend><div class=\"field\" id=\"input-1\"><label for=\"field-1\">Gender<\/label><div class=\"grid grid-cols-1\"><select id=\"field-1\" name=\"gender\"><option value=\"1\">Male<\/option><option value=\"2\">Female<\/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-2\"><label for=\"field-2\">Age<\/label><div class=\"term\">a<\/div>  <div class=\"absolute bottom-0 left-16 top-8 w-2 h-0.5 bg-blue-500\"><\/div><input type=\"number\" name=\"age\" id=\"field-2\" min=\"10\" max=\"125\" step=\"any\" value=\"32\"\/><div class=\"unit\">years<\/div><small>Patient age<\/small><\/div><div class=\"field has-term\" id=\"input-3\"><label for=\"field-3\">Height<\/label><div class=\"term\">h<\/div>  <div class=\"absolute bottom-0 left-16 top-8 w-2 h-0.5 bg-blue-500\"><\/div><input type=\"number\" name=\"height\" id=\"field-3\" min=\"110\" max=\"250\" step=\"any\" value=\"172\"\/><div class=\"unit\">cm<\/div><small>Patient height in centimeters<\/small><\/div><div class=\"field has-term\" id=\"input-4\"><label for=\"field-4\">Weight<\/label><div class=\"term\">w<\/div>  <div class=\"absolute bottom-0 left-16 top-8 w-2 h-0.5 bg-blue-500\"><\/div><input type=\"number\" name=\"weight\" id=\"field-4\" min=\"30\" max=\"250\" step=\"any\" value=\"70\"\/><div class=\"unit\">kg<\/div><small>Patient weight in kilograms<\/small><\/div><div class=\"field\" id=\"input-5\"><label for=\"field-5\">Stress Factor<\/label><div class=\"grid grid-cols-1\"><select id=\"field-5\" name=\"stress_factor\"><option value=\"1.1\">Starvation<\/option><option value=\"1.2\">Normal, non-stressed<\/option><option value=\"1.3\">Post-elective surgery<\/option><option value=\"1.4\">Moderate stress<\/option><option value=\"1.5\">Severe stress<\/option><option value=\"1.6\">Burn<\/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-6\"><label for=\"field-6\">Protein Category<\/label><div class=\"grid grid-cols-1\"><select id=\"field-6\" name=\"protein_category\"><option value=\"0.8\">Starvation<\/option><option value=\"1.0\">Normal, non-stressed<\/option><option value=\"1.2\">Post-elective surgery<\/option><option value=\"1.5\">Moderate stress<\/option><option value=\"2.0\">Severe stress<\/option><option value=\"2.5\">Burn<\/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-7\"><label for=\"field-7\">Lipid Concentration<\/label><div class=\"grid grid-cols-1\"><select id=\"field-7\" name=\"lipid_concentration\"><option value=\"0\">0%<\/option><option value=\"1\">10%<\/option><option value=\"2\">20%<\/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-8\"><label for=\"field-8\">Lipid Volume (if 10% or 20%)<\/label><div class=\"term\">lv<\/div>  <div class=\"absolute bottom-0 left-16 top-8 w-2 h-0.5 bg-blue-500\"><\/div><input type=\"number\" name=\"lipid_volume_if_10_or_20\" id=\"field-8\" min=\"0\" step=\"any\" value=\"\"\/><div class=\"unit\">mL<\/div><small>Volume of lipid solution in mL<\/small><\/div><\/fieldset><div class=\"buttons\"><button type=\"submit\" data-text=\"Re-Calculate\" id=\"calculate-button\" data-post=\"59360\">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>BEE (Basal energy expenditure)<\/span><span class=\"result-term\">bee<\/span><\/span><span class=\"field-value\" id=\"result-1\" data-unit=\"kcal\/day\"><\/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>IBW (Ideal body weight)<\/span><span class=\"result-term\">ibw<\/span><\/span><span class=\"field-value\" id=\"result-2\" data-unit=\"kg\"><\/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-3\"><span class=\"field-title\"><span>Total caloric requirement<\/span><span class=\"result-term\">tcr<\/span><\/span><span class=\"field-value\" id=\"result-3\" data-unit=\"kcal\"><\/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-4\"><span class=\"field-title\"><span>Calories from lipid<\/span><span class=\"result-term\">lipcal<\/span><\/span><span class=\"field-value\" id=\"result-4\" data-unit=\"kcal\"><\/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-5\"><span class=\"field-title\"><span>Calories from dextrose<\/span><span class=\"result-term\">dexcal<\/span><\/span><span class=\"field-value\" id=\"result-5\" data-unit=\"kcal\"><\/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-6\"><span class=\"field-title\"><span>Nitrogen<\/span><span class=\"result-term\">nitro<\/span><\/span><span class=\"field-value\" id=\"result-6\" data-unit=\"g\"><\/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-7\"><span class=\"field-title\"><span>Non-protein cal:N ratio<\/span><span class=\"result-term\">npr<\/span><\/span><span class=\"field-value\" id=\"result-7\" data-unit=\"kcal\/gN\"><\/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=\"59360\" 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><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>TPN Nutritional Calculation Formulas<\/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$$\\text{BEE (Men)} = 66.5 + (13.75 \\cdot W) + (5.003 \\cdot H) &#8211; (6.775 \\cdot A) \\\\\n\\text{BEE (Women)} = 655.1 + (9.563 \\cdot W) + (1.850 \\cdot H) &#8211; (4.676 \\cdot A)\n\\\\[10pt]\n\\text{IBW (Men)} = 50 + 2.3 \\cdot (\\text{Height in inches} &#8211; 60) \\\\\n\\text{IBW (Women)} = 45.5 + 2.3 \\cdot (\\text{Height in inches} &#8211; 60)\n\\\\[10pt]\n\\text{Calories from Lipid} = \\text{Lipid Volume (mL)} \\cdot 10 \\\\\n\\text{Calories from Dextrose} = \\text{Dextrose g} \\cdot 3.4 \\\\\n\\text{Nitrogen (g)} = \\frac{\\text{Protein (g)}}{6.25}\n\\\\[10pt]\n\\text{Non-protein Calories to Nitrogen Ratio} = \\frac{\\text{Calories from Dextrose + Lipid}}{\\text{Nitrogen (g)}}$$\n<\/div>\r\n\t<\/figure>\r\n\t<br \/>\r\n<\/section><br \/>\nTotal Parenteral Nutrition (TPN) is a method of feeding that bypasses the gastrointestinal tract. This calculator helps clinicians determine precise nutritional support for patients by estimating energy needs (BEE), ideal weight, and appropriate macronutrient allocation. It also includes nitrogen balance analysis, which is critical in assessing protein adequacy and ensuring optimal metabolic support in critically ill or malnourished patients.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>This calculator helps determine the total nutritional needs of patients requiring parenteral (IV) nutrition. It estimates Basal Energy Expenditure (BEE), Ideal Body Weight (IBW), macronutrient distribution (lipids, dextrose, protein), nitrogen balance, and the non-protein calorie-to-nitrogen ratio.<\/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":[52],"class_list":["post-59360","post","type-post","status-publish","format-standard","hentry","category-medical","tag-metabolism"],"acf":[],"_links":{"self":[{"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/posts\/59360","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=59360"}],"version-history":[{"count":2,"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/posts\/59360\/revisions"}],"predecessor-version":[{"id":64028,"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/posts\/59360\/revisions\/64028"}],"wp:attachment":[{"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/media?parent=59360"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/categories?post=59360"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/tags?post=59360"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}