SupaCalc
23 Financial Tools

Free Financial Calculators

Plan debt payoff, compare loans, track investments, and map your path to financial freedom with our free, instant calculators.

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Debt Payoff Calculator

Avalanche vs Snowball — see your debt-free date

Featured

Payoff Strategy

Choose how to prioritize your debts

Which debt to target first with extra payments

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On top of all minimum payments

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Applied immediately to the first target debt

Avalanche Method — Targets the debt with the highest interest rate first. This saves the most money in interest over time and is mathematically optimal. Best if you want to minimize total cost.

Your Debts

2 of 10 debts added

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Find a Calculator

Search all 23 financial tools — mortgages, loans, investments, retirement, taxes, and more.

Try "mortgage", "debt", "retirement", or "tax"

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All Financial Calculators

(22)
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Popular

Mortgage Calculator

Calculate monthly mortgage payments, total interest, and amortization schedule.

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Compound Interest

See how your money grows over time with compound interest.

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Loan Calculator

Calculate auto, personal, or student loan payments.

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Popular

Salary Calculator

Convert salary to hourly, weekly, or monthly pay.

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Retirement Calculator

Plan your retirement savings and see if you're on track.

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ROI Calculator

Calculate return on investment for any project or asset.

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Credit Card Payoff

Find out how long it'll take to pay off your credit card.

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Net Worth Calculator

Track your assets and liabilities.

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Currency Converter

Convert between 50+ world currencies.

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PopularNew

Side Hustle Tax Calculator

Calculate your estimated taxes on side hustle income including self-employment tax, quarterly payments, and deductions.

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PopularNew

Inflation Calculator

Calculate how inflation affects purchasing power over time with historical CPI data.

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PopularNew

Canadian Mortgage Calculator

Calculate Canadian mortgage payments with semi-annual compounding, CMHC insurance, and amortization.

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PopularNew

Take-Home Pay Calculator

Calculate your net take-home pay after federal tax, state tax, FICA, 401(k), HSA, and insurance deductions for 2025 and 2026.

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PopularNew

Student Loan Calculator

Calculate monthly payments, total interest, and repayment timeline for federal and private student loans with multiple repayment plans including income-driven repayment.

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PopularNew

College Cost Calculator

Estimate the total cost of college including tuition inflation, room and board, and plan your savings with a 529 college fund projection.

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PopularNew

Mutual Fund Calculator

Calculate mutual fund returns with SIP or lump sum, compare fund categories, and see the impact of expense ratios and loads on your investment growth.

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PopularNew

Bond Calculator

Calculate bond yield to maturity, price, duration, convexity, and analyze price sensitivity to interest rate changes for government and corporate bonds.

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Present Value Calculator

Calculate present value and future value of annuities, analyze NPV and IRR of investment projects with cash flow timelines and detailed amortization.

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Amortization Calculator

Generate a full loan amortization schedule with monthly payments, principal vs interest breakdown, and total cost analysis for any loan term.

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Debt-to-Income Ratio Calculator

Calculate your debt-to-income (DTI) ratio with front-end and back-end analysis. See if you qualify for mortgages and other loans.

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PopularNew

Financial Independence Calculator

Calculate your FI number, years to financial freedom, and see the impact of savings rate on your timeline. Compare Lean FI, Standard FI, and Fat FI targets with multiple withdrawal strategies and post-retirement sustainability analysis.

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PopularNew

True Cost of Subscriptions Calculator

Add up every subscription — streaming, software, gym, delivery — and see your real monthly total, annual cost, daily drain, and what that money could grow to if invested instead. Free, private, instant.

Ready to Take Control of Your Finances?

Use the Debt Payoff Calculator above to see exactly when you'll be debt-free, or explore all 23 financial tools.