{"id":64757,"date":"2025-05-29T11:41:58","date_gmt":"2025-05-29T08:41:58","guid":{"rendered":"https:\/\/wpcalc.com\/en\/?p=64757"},"modified":"2025-05-29T11:44:28","modified_gmt":"2025-05-29T08:44:28","slug":"compound-interest","status":"publish","type":"post","link":"https:\/\/wpcalc.com\/en\/finance\/compound-interest\/","title":{"rendered":"Compound Interest 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\">Compound Growth Calculator with Contributions<\/h2><\/div><div class=\"relative group inline-block\">\n  <button class=\"favorite\" id=\"favorite\" data-favorite-id=\"64757\" data-favorite-title=\"Compound Interest\" data-favorite-url=\"https:\/\/wpcalc.com\/en\/finance\/compound-interest\/\" data-favorite-excerpt=\"Calculate how your savings or investments grow over time with the power of compound interest. This essential calculator shows how reinvested earnings generate exponential growth \u2014 ideal for deposit planning, retirement goals, or long-term investing. You can include regular contributions and see detailed growth by period.\" aria-label=\"Add to Favorites\" data-favorite-icon=\"icon icon-currency-exchange-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\/finance\/compound-interest\/\" method=\"POST\" class=\"calculator\" id=\"calculator-64757\" data-post=\"64757\"><fieldset class=\"fieldset-input is-1\"><legend class=\"sr-only\">Input Fields<\/legend><div class=\"field\" id=\"input-1\"><label for=\"field-1\">Initial Deposit<\/label><input type=\"number\" name=\"initial_deposit\" id=\"field-1\" min=\"0\" step=\"0.01\" value=\"100\"\/><div class=\"unit\">$<\/div><small>The starting amount of the investment<\/small><\/div><div class=\"field\" id=\"input-2\"><label for=\"field-2\">Number of Periods<\/label><input type=\"number\" name=\"number_of_periods\" id=\"field-2\" min=\"1\" step=\"1\" value=\"10\"\/><small>Total number of compounding periods<\/small><\/div><div class=\"field\" id=\"input-3\"><label for=\"field-3\">Return per Period<\/label><input type=\"number\" name=\"return_per_period\" id=\"field-3\" min=\"0\" step=\"0.01\" value=\"10\"\/><div class=\"unit\">%<\/div><small>Interest rate for each period<\/small><\/div><div class=\"field\" id=\"input-4\"><label for=\"field-4\">Contribution per Period<\/label><input type=\"number\" name=\"contribution_per_period\" id=\"field-4\" step=\"any\" value=\"0\"\/><div class=\"unit\">$<\/div><small>Additional contribution at the end of each period<\/small><\/div><\/fieldset><div class=\"buttons\"><button type=\"submit\" data-text=\"Re-Calculate\" id=\"calculate-button\" data-post=\"64757\">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 is-column is-text\" id=\"output-1\"><span class=\"field-title\"><span><\/span><\/span><span class=\"field-value\" id=\"result-1\"><\/span><button class=\"copy-result\" data-tooltip=\"Copy Result\"><span class=\"copy-icon icon icon-document-copy\"><\/span><\/button><\/div><div class=\"field-result is-column\" id=\"output-2\"><span class=\"field-title\"><span><\/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=\"64757\" 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\">10<\/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\">3<\/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\">2<\/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<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>Compound Interest Formula with Regular Deposits<\/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$$A = P \\times (1 + r)^n + PMT \\times \\left( \\frac{(1 + r)^n &#8211; 1}{r} \\right)$$\n<\/div>\r\n\t<\/figure>\r\n\t<br \/>\n<strong>Where:<\/strong><\/p>\n<ul>\n<li>$$A$$ = future value of the investment  <\/li>\n<li>$$P$$ = initial principal  <\/li>\n<li>$$r$$ = interest rate per period (as decimal)  <\/li>\n<li>$$n$$ = total number of periods  <\/li>\n<li>$$PMT$$ = regular contribution per period<\/li>\n<\/ul>\n<p>\r\n<\/section>\n<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>Compound Interest \u2013 Calculation Example<\/h2><\/div>\r\n\r\n<p>\nSuppose you invest $5,000 at 6% annual interest compounded yearly, with monthly contributions of $200 for 10 years:<\/p>\n<ul>\n<li>$$P$$ = 5000  <\/li>\n<li>$$r$$ = 0.06 \/ 12 = 0.005  <\/li>\n<li>$$n$$ = 12 \u00d7 10 = 120  <\/li>\n<li>$$PMT$$ = 200<\/li>\n<\/ul>\n<ol>\n<li>$$A \\approx 5000 \\cdot (1 + 0.005)^{120} + \\frac{200 \\cdot \\left( (1 + 0.005)^{120} &#8211; 1 \\right)}{0.005}$$<\/li>\n<li>$$A \\approx \\$34{,}719.67$$<\/li>\n<\/ol>\n<p>\n\r\n<\/section>\n<p>Compound interest means &#8220;interest on interest&#8221; \u2014 each period\u2019s earnings are reinvested to generate even more profit. This calculator handles:<\/p>\n<ul>\n<li>One-time deposits<\/li>\n<li>Regular contributions (monthly, quarterly, yearly)<\/li>\n<li>Any interest rate and compounding frequency<\/li>\n<\/ul>\n<p>It\u2019s ideal for calculating bank deposits, long-term savings, retirement funds, education investments, and more. The growth curve is exponential \u2014 even small contributions can lead to impressive results over time.<\/p>\n<p>Use this calculator to visualize future gains and fine-tune your investment strategy.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Calculate how your savings or investments grow over time with the power of compound interest. This essential calculator shows how reinvested earnings generate exponential growth \u2014 ideal for deposit planning, retirement goals, or long-term investing. You can include regular contributions and see detailed growth by period.<\/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":[5],"tags":[27],"class_list":["post-64757","post","type-post","status-publish","format-standard","hentry","category-finance","tag-investment"],"acf":[],"_links":{"self":[{"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/posts\/64757","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=64757"}],"version-history":[{"count":3,"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/posts\/64757\/revisions"}],"predecessor-version":[{"id":64760,"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/posts\/64757\/revisions\/64760"}],"wp:attachment":[{"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/media?parent=64757"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/categories?post=64757"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wpcalc.com\/en\/wp-json\/wp\/v2\/tags?post=64757"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}