{"$schema":"https://toolsly.tools/schemas/tool-manifest-v1.json","generated":"2026-05-20T20:47:38.361Z","discovery":{"catalog":"https://toolsly.tools/tools.json","llmsTxt":"https://toolsly.tools/llms.txt","sitemap":"https://toolsly.tools/sitemap.xml"},"relatedTools":[{"slug":"bmi-calculator","name":"BMI Calculator","url":"https://toolsly.tools/bmi-calculator"},{"slug":"percentage-calculator","name":"Percentage Calculator","url":"https://toolsly.tools/percentage-calculator"},{"slug":"age-calculator","name":"Age Calculator","url":"https://toolsly.tools/age-calculator"},{"slug":"date-difference","name":"Date Difference Calculator","url":"https://toolsly.tools/date-difference"},{"slug":"tip-calculator","name":"Tip Calculator","url":"https://toolsly.tools/tip-calculator"},{"slug":"timezone-converter","name":"Timezone Converter","url":"https://toolsly.tools/timezone-converter"},{"slug":"aspect-ratio-calculator","name":"Aspect Ratio Calculator","url":"https://toolsly.tools/aspect-ratio-calculator"},{"slug":"bytes-converter","name":"Bytes Converter","url":"https://toolsly.tools/bytes-converter"}],"kind":"utility","slug":"compound-interest-calculator","name":"Compound Interest Calculator","description":"Project savings/investment growth with compound interest — set principal, annual rate, years, compounding frequency and optional monthly contribution.","longDescription":"Find out what your money turns into over time. Set the starting principal, annual interest rate, years, compounding frequency (annually, semi-annually, quarterly, monthly, daily, or continuously) and an optional monthly contribution. We compute the final balance with the standard compound-interest formula `A = P(1+r/n)^(nt)` plus the annuity-style addition for periodic contributions. The output includes total contributions, total interest earned, and a year-by-year balance breakdown.","category":"calc","categoryName":"Calculators","keywords":["compound interest calculator","compound interest calculator online","savings calculator compound interest","investment growth calculator","compound interest with monthly contributions","compound interest daily monthly yearly","future value calculator","savings projection","compound interest formula calculator","continuous compounding calculator","retirement savings calculator","wealth growth calculator","compound interest annuity","earnings on investment calculator","compound interest with deposits"],"badge":"Calculator","url":"https://toolsly.tools/compound-interest-calculator","inputs":[{"type":"number","key":"principal","label":"Starting principal","defaultValue":10000,"min":0,"step":100},{"type":"number","key":"annualRate","label":"Annual interest rate (%)","defaultValue":7,"min":0,"max":100,"step":0.1},{"type":"number","key":"years","label":"Years","defaultValue":10,"min":0,"max":100,"step":1},{"type":"select","key":"compoundingFrequency","label":"Compounding frequency","defaultValue":"monthly","choices":[{"value":"annually","label":"Annually"},{"value":"semi-annually","label":"Semi-annually"},{"value":"quarterly","label":"Quarterly"},{"value":"monthly","label":"Monthly"},{"value":"daily","label":"Daily"},{"value":"continuously","label":"Continuously"}]},{"type":"number","key":"monthlyContribution","label":"Monthly contribution","defaultValue":0,"min":0,"step":50}],"outputs":[{"key":"finalBalance","label":"Final balance"},{"key":"totalContributions","label":"Total contributions"},{"key":"totalInterest","label":"Total interest earned"},{"key":"effectiveAnnualRate","label":"Effective annual rate"},{"key":"breakdown","label":"Year-by-year breakdown","multiline":true}],"invocation":{"webUi":"https://toolsly.tools/compound-interest-calculator","api":null,"notes":"Currently invoked via the web UI at `webUi`. Inputs are form fields; outputs are structured text values. A remote MCP/REST API is planned."}}