{"tools":[{"slug":"emi-calculator","name":"EMI Calculator","description":"Calculate loan EMI and amortization schedule","category":"loans","web_url":"https://nookwealth.com/tools/emi-calculator","api_url":"https://nookwealth.com/api/v1/calculate/emi-calculator","embed_url":"https://nookwealth.com/tools/emi-calculator/embed","required_inputs":{"principal":{"type":"number","label":"Loan Amount","required":true},"annualRate":{"type":"number","label":"Annual Interest Rate (%)","required":true},"tenureYears":{"type":"number","label":"Tenure (Years)","required":true}},"example_inputs":{"principal":300000,"annualRate":6.3,"tenureYears":30}},{"slug":"mortgage-calculator","name":"Mortgage Calculator","description":"Calculate mortgage with PITI (Principal, Interest, Tax, Insurance)","category":"loans","web_url":"https://nookwealth.com/tools/mortgage-calculator","api_url":"https://nookwealth.com/api/v1/calculate/mortgage-calculator","embed_url":"https://nookwealth.com/tools/mortgage-calculator/embed","required_inputs":{"homePrice":{"type":"number","label":"Home Price","required":true},"downPaymentPct":{"type":"number","label":"Down Payment (%)","required":false,"default":20},"annualRate":{"type":"number","label":"Annual Interest Rate (%)","required":true},"tenureYears":{"type":"number","label":"Tenure (Years)","required":true},"propertyTaxRate":{"type":"number","label":"Annual Property Tax Rate (%)","required":false,"default":1.1},"insuranceMonthly":{"type":"number","label":"Monthly Insurance","required":false,"default":150}},"example_inputs":{"homePrice":500000,"downPaymentPct":20,"annualRate":6.8,"tenureYears":30}},{"slug":"compound-interest-calculator","name":"Compound Interest Calculator","description":"Calculate compound interest with regular contributions","category":"investing","web_url":"https://nookwealth.com/tools/compound-interest-calculator","api_url":"https://nookwealth.com/api/v1/calculate/compound-interest-calculator","embed_url":"https://nookwealth.com/tools/compound-interest-calculator/embed","required_inputs":{"principal":{"type":"number","label":"Initial Principal","required":true},"monthlyContribution":{"type":"number","label":"Monthly Contribution","required":true},"annualRate":{"type":"number","label":"Annual Rate (%)","required":true},"years":{"type":"number","label":"Time Period (Years)","required":true}},"example_inputs":{"principal":10000,"monthlyContribution":500,"annualRate":8,"years":20}},{"slug":"savings-goal-calculator","name":"Savings Goal Calculator","description":"Calculate monthly savings needed to reach a goal","category":"savings","web_url":"https://nookwealth.com/tools/savings-goal-calculator","api_url":"https://nookwealth.com/api/v1/calculate/savings-goal-calculator","embed_url":"https://nookwealth.com/tools/savings-goal-calculator/embed","required_inputs":{"targetAmount":{"type":"number","label":"Target Amount","required":true},"currentSavings":{"type":"number","label":"Current Savings","required":false},"annualRate":{"type":"number","label":"Annual Rate (%)","required":true},"years":{"type":"number","label":"Time Period (Years)","required":true}},"example_inputs":{"targetAmount":100000,"currentSavings":5000,"annualRate":5,"years":10}},{"slug":"debt-payoff-calculator","name":"Debt Payoff Calculator","description":"Calculate debt payoff using Avalanche or Snowball method","category":"debt","web_url":"https://nookwealth.com/tools/debt-payoff-calculator","api_url":"https://nookwealth.com/api/v1/calculate/debt-payoff-calculator","embed_url":"https://nookwealth.com/tools/debt-payoff-calculator/embed","required_inputs":{"debts":{"type":"array","label":"Debts","required":true},"monthlyBudget":{"type":"number","label":"Monthly Budget for Debt Payoff","required":true},"strategy":{"type":"select","label":"Strategy","required":true,"options":["avalanche","snowball"]}},"example_inputs":{"monthlyBudget":1500,"strategy":"avalanche"}},{"slug":"sip-calculator","name":"SIP Calculator","description":"Calculate Systematic Investment Plan (dollar-cost averaging)","category":"investing","web_url":"https://nookwealth.com/tools/sip-calculator","api_url":"https://nookwealth.com/api/v1/calculate/sip-calculator","embed_url":"https://nookwealth.com/tools/sip-calculator/embed","required_inputs":{"monthlyAmount":{"type":"number","label":"Monthly Investment Amount","required":true},"annualReturn":{"type":"number","label":"Annual Return Rate (%)","required":true},"years":{"type":"number","label":"Investment Period (Years)","required":true}},"example_inputs":{"monthlyAmount":500,"annualReturn":12,"years":20}},{"slug":"tax-calculator","name":"Income Tax Calculator","description":"Calculate US 2026 federal income tax and FICA","category":"taxes","web_url":"https://nookwealth.com/tools/tax-calculator","api_url":"https://nookwealth.com/api/v1/calculate/tax-calculator","embed_url":"https://nookwealth.com/tools/tax-calculator/embed","required_inputs":{"grossIncome":{"type":"number","label":"Gross Income","required":true},"filingStatus":{"type":"select","label":"Filing Status","required":true,"options":["single","mfj","hoh"]},"retirement401k":{"type":"number","label":"401(k) Contribution","required":false},"otherDeductions":{"type":"number","label":"Other Deductions","required":false}},"example_inputs":{"grossIncome":85000,"filingStatus":"single","retirement401k":7500,"otherDeductions":0}},{"slug":"net-worth-calculator","name":"Net Worth Calculator","description":"Calculate your total net worth","category":"planning","web_url":"https://nookwealth.com/tools/net-worth-calculator","api_url":"https://nookwealth.com/api/v1/calculate/net-worth-calculator","embed_url":"https://nookwealth.com/tools/net-worth-calculator/embed","required_inputs":{"assets":{"type":"array","label":"Assets","required":true},"liabilities":{"type":"array","label":"Liabilities","required":true}},"example_inputs":{"assets":[{"name":"Home","value":450000},{"name":"Investments","value":120000}],"liabilities":[{"name":"Mortgage","balance":320000,"rate":6.3}]}},{"slug":"currency-converter","name":"Currency Converter","description":"Convert between currencies using live exchange rates","category":"tools","web_url":"https://nookwealth.com/tools/currency-converter","api_url":"https://nookwealth.com/api/v1/calculate/currency-converter","embed_url":"https://nookwealth.com/tools/currency-converter/embed","required_inputs":{"amount":{"type":"number","label":"Amount","required":true},"fromCurrency":{"type":"string","label":"From Currency","required":true},"toCurrency":{"type":"string","label":"To Currency","required":true},"exchangeRates":{"type":"object","label":"Exchange Rates (optional — uses live rates if omitted)","required":false}},"example_inputs":{"amount":1000,"fromCurrency":"USD","toCurrency":"EUR"}},{"slug":"cd-ladder-calculator","name":"CD Ladder Calculator","description":"Build a Certificate of Deposit ladder with staggered maturities","category":"savings","web_url":"https://nookwealth.com/tools/cd-ladder-calculator","api_url":"https://nookwealth.com/api/v1/calculate/cd-ladder-calculator","embed_url":"https://nookwealth.com/tools/cd-ladder-calculator/embed","required_inputs":{"totalInvestment":{"type":"number","label":"Total Investment ($)","required":true},"numberOfRungs":{"type":"number","label":"Number of Rungs (2–5)","required":true},"baseTermMonths":{"type":"number","label":"Months per Rung Step","required":true},"annualRate":{"type":"number","label":"Base Annual Rate (%)","required":true}},"example_inputs":{"totalInvestment":50000,"numberOfRungs":5,"baseTermMonths":12,"annualRate":4.5}},{"slug":"rent-vs-buy-calculator","name":"Rent vs Buy Calculator","description":"Compare the true cost of renting vs buying a home over time","category":"planning","web_url":"https://nookwealth.com/tools/rent-vs-buy-calculator","api_url":"https://nookwealth.com/api/v1/calculate/rent-vs-buy-calculator","embed_url":"https://nookwealth.com/tools/rent-vs-buy-calculator/embed","required_inputs":{"homePrice":{"type":"number","label":"Home Price ($)","required":true},"downPaymentPct":{"type":"number","label":"Down Payment (%)","required":false},"mortgageRate":{"type":"number","label":"Mortgage Rate (%)","required":true},"monthlyRent":{"type":"number","label":"Current Monthly Rent ($)","required":true},"yearsToAnalyze":{"type":"number","label":"Years to Analyze","required":false}},"example_inputs":{"homePrice":450000,"mortgageRate":6.37,"monthlyRent":2200,"yearsToAnalyze":10}},{"slug":"investment-return-calculator","name":"Investment Return Calculator","description":"Project nominal and inflation-adjusted investment returns over time","category":"investing","web_url":"https://nookwealth.com/tools/investment-return-calculator","api_url":"https://nookwealth.com/api/v1/calculate/investment-return-calculator","embed_url":"https://nookwealth.com/tools/investment-return-calculator/embed","required_inputs":{"initialInvestment":{"type":"number","label":"Initial Investment ($)","required":true},"monthlyContribution":{"type":"number","label":"Monthly Contribution ($)","required":false},"annualReturn":{"type":"number","label":"Annual Return (%)","required":true},"years":{"type":"number","label":"Investment Period (Years)","required":true},"inflationRate":{"type":"number","label":"Inflation Rate (%)","required":false}},"example_inputs":{"initialInvestment":10000,"monthlyContribution":500,"annualReturn":10,"years":20,"inflationRate":3}}],"count":12,"meta":{"source":"NookWealth","docs_url":"https://nookwealth.com/api-docs","attribution":"Free financial calculators by NookWealth (https://nookwealth.com)"}}