{"id":8311174,"date":"2025-09-19T05:44:13","date_gmt":"2025-09-19T02:44:13","guid":{"rendered":"https:\/\/elementor.com\/tools\/?p=8311174"},"modified":"2025-09-19T05:44:37","modified_gmt":"2025-09-19T02:44:37","slug":"interest-calculator","status":"publish","type":"post","link":"https:\/\/elementor.com\/tools\/interest-calculator\/","title":{"rendered":"Interest Calculator"},"content":{"rendered":"\t\t<div data-elementor-type=\"container\" data-elementor-id=\"8311172\" class=\"elementor elementor-8311172\" data-elementor-post-type=\"elementor_library\">\n\t\t\t\t<div class=\"elementor-element elementor-element-23691a2c e-flex e-con-boxed e-con e-parent\" data-id=\"23691a2c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-37c3711c elementor-widget elementor-widget-html\" data-id=\"37c3711c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<style>\r\n    \/* --- Styles Adapted From Your Code --- *\/\r\n    .html-viewer-app {\r\n        width: 100%;\r\n        max-width: 700px; 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\/* Initially hidden *\/\r\n        flex-direction: column;\r\n        gap: 15px;\r\n    }\r\n    \r\n    .output-section.show {\r\n        display: flex; \/* Shown when results are calculated *\/\r\n    }\r\n\r\n    .result-item {\r\n        display: flex;\r\n        justify-content: space-between;\r\n        font-family: 'DM Sans', sans-serif;\r\n        font-size: 1.1rem;\r\n    }\r\n    \r\n    .result-item span:first-child {\r\n        font-weight: 500;\r\n        color: #333;\r\n    }\r\n    \r\n    .result-item span:last-child {\r\n        font-weight: 700;\r\n        font-family: 'Courier New', monospace;\r\n        color: #05047E;\r\n    }\r\n<\/style>\r\n\r\n<div class=\"html-viewer-app\">\r\n    <div class=\"main-content\">\r\n        <div class=\"section-header\">\r\n            Interest Calculator\r\n        <\/div>\r\n\r\n        <div class=\"calculator-form\">\r\n            <div class=\"form-group\">\r\n                <label for=\"principal\">Principal Amount ($)<\/label>\r\n                <input type=\"number\" id=\"principal\" placeholder=\"e.g., 10000\" min=\"0\">\r\n            <\/div>\r\n\r\n            <div class=\"form-group\">\r\n                <label for=\"rate\">Annual Interest Rate (%)<\/label>\r\n                <input type=\"number\" id=\"rate\" placeholder=\"e.g., 5.5\" min=\"0\">\r\n            <\/div>\r\n\r\n            <div class=\"form-group\">\r\n                <label for=\"time\">Time Period (Years)<\/label>\r\n                <input type=\"number\" id=\"time\" placeholder=\"e.g., 10\" min=\"0\">\r\n            <\/div>\r\n\r\n            <div class=\"form-group\">\r\n                <label for=\"compounding\">Compound Frequency<\/label>\r\n                <select id=\"compounding\">\r\n                    <option value=\"1\">Annually<\/option>\r\n                    <option value=\"2\">Semi-Annually<\/option>\r\n                    <option value=\"4\">Quarterly<\/option>\r\n                    <option value=\"12\" selected>Monthly<\/option>\r\n                    <option value=\"365\">Daily<\/option>\r\n                <\/select>\r\n            <\/div>\r\n\r\n            <div class=\"actions-container\">\r\n                <button class=\"format-btn\" id=\"calculateBtn\">Calculate<\/button>\r\n                <button class=\"reset-btn\" id=\"resetBtn\">Reset<\/button>\r\n            <\/div>\r\n        <\/div>\r\n        \r\n        <div id=\"resultsSection\" class=\"output-section\">\r\n            <div class=\"result-item\">\r\n                <span>Principal Amount:<\/span>\r\n                <span id=\"resultPrincipal\"><\/span>\r\n            <\/div>\r\n             <div class=\"result-item\">\r\n                <span>Total Interest:<\/span>\r\n                <span id=\"resultInterest\"><\/span>\r\n            <\/div>\r\n             <div class=\"result-item\">\r\n                <span>Total Amount:<\/span>\r\n                <span id=\"resultTotal\"><\/span>\r\n            <\/div>\r\n        <\/div>\r\n\r\n    <\/div>\r\n<\/div>\r\n\r\n<script>\r\n    document.addEventListener('DOMContentLoaded', function () {\r\n        \/\/ --- Element Selection ---\r\n        const principalInput = document.getElementById('principal');\r\n        const rateInput = document.getElementById('rate');\r\n        const timeInput = document.getElementById('time');\r\n        const compoundingSelect = document.getElementById('compounding');\r\n        \r\n        const calculateBtn = document.getElementById('calculateBtn');\r\n        const resetBtn = document.getElementById('resetBtn');\r\n        \r\n        const resultsSection = document.getElementById('resultsSection');\r\n        const resultPrincipal = document.getElementById('resultPrincipal');\r\n        const resultInterest = document.getElementById('resultInterest');\r\n        const resultTotal = document.getElementById('resultTotal');\r\n\r\n        \/\/ --- Event Listeners ---\r\n        calculateBtn.addEventListener('click', calculateInterest);\r\n        resetBtn.addEventListener('click', resetCalculator);\r\n\r\n        \/\/ --- Main Calculation Function ---\r\n        function calculateInterest() {\r\n            \/\/ 1. Get and parse input values\r\n            const P = parseFloat(principalInput.value); \/\/ Principal\r\n            const r = parseFloat(rateInput.value) \/ 100; \/\/ Annual interest rate in decimal\r\n            const t = parseFloat(timeInput.value); \/\/ Time in years\r\n            const n = parseInt(compoundingSelect.value); \/\/ Compounding frequency\r\n\r\n            \/\/ 2. Validate inputs\r\n            if (isNaN(P) || isNaN(r) || isNaN(t) || P <= 0 || r <= 0 || t <= 0) {\r\n                alert('Please enter valid positive numbers for all fields.');\r\n                return;\r\n            }\r\n\r\n            \/\/ 3. Perform the compound interest calculation\r\n            \/\/ Formula: A = P(1 + r\/n)^(nt)\r\n            const amount = P * Math.pow(1 + (r \/ n), n * t);\r\n            const interest = amount - P;\r\n            \r\n            \/\/ 4. 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