The Smart Calc

All Calculators

Search and filter through our full suite of 33 free financial calculators.

Showing 33 calculators
Loans & Debt

Loan Calculator

Calculate monthly payments, total interest, and amortization schedule for any loan.

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Loans & Debt

Loan Term Calculator

Find out how long it will take to pay off your loan based on your monthly payment.

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Loans & Debt

EMI Calculator

Calculate your Equated Monthly Installment (EMI) for any loan.

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Loans & Debt

Mortgage Calculator

Calculate monthly principal & interest payments, total housing costs, and amortization schedule.

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Loans & Debt

Auto Loan Calculator

Compute car monthly payments, total interest, sales tax, and net amount financed with customizable trade-in tax rules.

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Loans & Debt

Mortgage Refinance Calculator

Compare current mortgage vs. a new loan to see monthly savings and break-even timeline.

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Loans & Debt

APR Calculator

Convert nominal rate and loan fees into the true Annual Percentage Rate (APR).

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Loans & Debt

Mortgage Affordability Calculator

Find maximum home purchase price based on income, monthly debts, down payment, and DTI limit.

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Loans & Debt

Car Lease Calculator

Calculate monthly car lease payments from cap cost, residual value, money factor, and tax.

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Banking & Interest

Bank Interest Calculator

Calculate compound interest earned on your savings or deposits.

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Banking & Interest

Net Worth Calculator

Calculate total net worth by aggregating categorized assets minus liabilities.

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Banking & Interest

APY Calculator

Calculate Effective Annual Yield (APY) from nominal rate and compounding frequency.

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Banking & Interest

Future Value Calculator

Compute future value of a lump sum or recurring periodic investment.

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Banking & Interest

Present Value Calculator

Discount future lump sums and recurring cash flows back to present value.

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Banking & Interest

Effective Interest Rate Calculator

Compare nominal rate, EAR from compounding, and true effective annual rate with fees.

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Credit Cards

Credit Card Interest Calculator

Calculate how much interest accrues on your credit card balance over time.

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Credit Cards

Credit Card Payment Calculator

Find the monthly payment needed to pay off your credit card by a target date.

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Investments & Stocks

Stock Investment Calculator

Project your investment growth with initial capital and monthly contributions.

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Investments & Stocks

Average Cost Calculator

Calculate your average cost per share using the dollar-cost averaging method.

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Investments & Stocks

ROI Calculator

Calculate the return on investment for any financial decision.

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Investments & Stocks

Retirement Calculator

Project future retirement nest egg and inflation-adjusted real purchasing power.

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Investments & Stocks

CAGR Calculator

Calculate Compound Annual Growth Rate for an investment over N years.

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Investments & Stocks

NPV Calculator

Calculate Net Present Value by discounting periodic cash flows minus initial investment.

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Investments & Stocks

IRR Calculator

Calculate Internal Rate of Return for periodic cash flows with sign-change analysis.

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Investments & Stocks

Bond Yield Calculator

Calculate bond Current Yield and Yield to Maturity (YTM) across coupon frequencies.

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Investments & Stocks

Bond Price Calculator

Calculate fair market price of a bond from face value, coupon rate, and YTM.

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Investments & Stocks

FIRE Calculator

Estimate age and years to Financial Independence (FIRE) using historical safe withdrawal rate assumptions.

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Investments & Stocks

401(k) Calculator

Project 401(k) balance including employee contributions, employer match, and return.

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Investments & Stocks

IRA Calculator

Project Traditional vs. Roth IRA growth over time with annual contributions and tax comparison.

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Tax

Tax Calculator

Estimate your income tax based on progressive tax brackets.

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Currency & Exchange Rates

Currency Converter

Convert between currencies using live exchange rates.

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Business & Profitability

Inflation Calculator

Find out how inflation erodes purchasing power over time.

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Business & Profitability

Profit & Loss Calculator

Calculate your net profit or loss for any business transaction.

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