Finance Calculators

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Mortgage Calculator

Estimate monthly payments, taxes, insurance, PMI, and amortization for home loans.

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Auto Loan Calculator

Compare monthly payment, affordability, amortization, taxes, fees, and trade-in impact for vehicle financing.

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General Loan Calculator

Plan payment, amortization, and borrowing capacity with side-by-side loan and affordability views.

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Loan Amortization Calculator

Build monthly or annual amortization schedules with payoff dates, extra payments, and frequency comparisons.

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Compound Interest Calculator

Project future value, recurring contributions, compounding frequency, and inflation-adjusted growth over time.

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APY Calculator

Convert APR into APY, compare compounding frequencies, and project ending balance from a one-time deposit.

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QQQI Dividend Calculator

Estimate monthly QQQI income, compare cash payouts versus DRIP reinvestment, and project the income runway.

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Inflation Calculator

Analyze CPI-driven purchasing power shifts, compare years, and project inflation impact.

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Currency Converter

Convert between USD, EUR, GBP, JPY, CAD, INR, and 150+ supported currencies with live rates and pair trends.

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Percentage Calculator

Solve percent-of, what-percent, find-the-whole, and percentage change problems instantly.

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Scientific Calculator

Evaluate expressions with trig, logs, powers, roots, constants, and angle-mode controls.

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401(k) Calculator

Project retirement savings with employer match, salary growth, catch-up contributions, and tax-aware scenarios.

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IRS Mileage Calculator

Calculate deductions using IRS business, medical/moving, and charity mileage rates with yearly history context.

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Sales Tax Calculator

Estimate sales tax, compare states side by side, and review current combined-rate ranges by year.

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Marketplace Fee Calculator

Compare seller fees, payout, margin, ROI, and break-even pricing across six online marketplaces.

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Free Reseller Profit Calculator

Calculate net profit, profit margin, ROI, and seller platform fees across eBay, Poshmark, Mercari, Etsy, Depop, and FB Marketplace.

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