Financial Calculators

Free financial calculators for mortgages, loans, interest, savings, investments, and retirement planning. Get instant, accurate results with no sign-up required.

41 tools available

No sign-up · No data sent to servers · Instant results

401(k) Calculator

Project your 401(k) retirement savings with employer matching, catch-up contributions, and growth analysis

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Amortization Calculator

Generate detailed loan amortization schedules showing principal, interest, and balance for each payment

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APR Calculator

Calculate the true Annual Percentage Rate including fees, points, and closing costs for any loan

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Auto Loan Calculator

Calculate monthly car payments, total interest, and amortization

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Balance Transfer Calculator

Calculate savings from a credit card balance transfer

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Boat Loan Calculator

Calculate boat loan payments and total ownership costs including insurance and storage.

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Business Loan Calculator

Calculate business loan payments for Term Loans, SBA 7(a), Lines of Credit, and Equipment Financing

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CAGR Calculator

Calculate compound annual growth rate for investments

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Cap Rate Calculator

Calculate capitalization rate for real estate investments

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Capital Gains Calculator

Calculate capital gains tax on investments and property

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CD Calculator

Calculate Certificate of Deposit returns with compound interest and compare CD laddering strategies

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College Savings Calculator

Calculate 529 plan savings needed for college with growth projections and gap analysis

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Compound Interest Calculator

Calculate compound interest with contributions and visual growth chart

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Credit Card Payoff Calculator

Calculate how long to pay off credit card debt and how much interest you'll pay

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DCA Calculator

Calculate dollar-cost averaging returns with DCA vs lump sum comparison

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Debt Consolidation Calculator

Compare current debts vs a consolidation loan

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Discount Calculator

Calculate sale prices, savings, and stack multiple discounts

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Dividend Calculator

Calculate dividend income with DRIP reinvestment, yield on cost tracking, dividend growth projections, and compound growth visualization

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Down Payment Calculator

Calculate how much to save for a down payment and see how it affects your mortgage payments and PMI

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Electric Car Savings Calculator

Compare EV vs gas car fuel costs and see annual savings with CO2 reduction.

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EMI Calculator

Calculate Equated Monthly Installments for any loan with amortization schedule and prepayment analysis

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FIRE Calculator

Calculate your Financial Independence, Retire Early (FIRE) number with Lean, Regular, and Fat FIRE variants, savings projections, and milestone timeline

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HELOC Calculator

Calculate home equity line of credit payments and limits

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Home Affordability Calculator

Calculate how much house you can afford based on income, debts, and down payment using the 28/36 rule

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Home Equity Calculator

Calculate home equity, HELOC borrowing power, and loan payment estimates

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Investment Calculator

Calculate investment growth with monthly contributions and dividends

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LLC vs S-Corp Calculator

Compare LLC vs S-Corp tax savings with side-by-side analysis, self-employment tax breakdown, and optimal salary sensitivity chart

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Loan Calculator

Calculate monthly payments, interest, and amortization schedules

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Mortgage Calculator

Calculate mortgage payments with taxes, insurance, PMI, and amortization

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Payoff Calculator

Calculate how fast you can pay off debt with extra payments and see total interest savings

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Personal Loan Calculator

Calculate personal loan payments and total interest

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Rental Yield Calculator

Calculate gross and net rental yield on investment property

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Retirement Calculator

Estimate retirement savings, income, and how much to save monthly

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ROI Calculator

Calculate return on investment, annualized ROI, and compare investments

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RV Loan Calculator

Calculate monthly RV loan payments with term comparison and total interest.

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Savings Goal Calculator

Calculate how long to reach your savings goal or how much to save monthly

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Savings Interest Calculator

Calculate savings account growth with compound interest, APY comparison, and inflation-adjusted projections

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Social Security Calculator

Estimate your Social Security retirement benefits based on earnings history and claiming age

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Solar Panel Calculator

Estimate solar panel system size, cost, savings, and payback period for your home

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Stock Return Calculator

Calculate stock investment returns including dividends, capital gains, and after-tax performance

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Student Loan Calculator

Calculate student loan payments with Standard, Graduated, and Income-Driven repayment plans

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Frequently Asked Questions

What financial calculators does NexTool offer?

NexTool offers a comprehensive suite of free financial calculators including mortgage payment, loan amortization, compound interest, savings growth, investment return, and retirement planning calculators. All calculations are instant and private.

Are the financial calculator results reliable?

Yes. Our financial calculators use industry-standard formulas and current data. They provide accurate estimates for planning purposes, though we recommend consulting a financial advisor for major financial decisions.

Do I need an account to use financial calculators?

No. All financial calculators are completely free with no sign-up, no login, and no data collection. Your financial data stays in your browser and is never sent to any server.