financial Calculators
Last updated: May 2026
Compound Interest Calculator
Project how an investment grows over time when interest is reinvested each compounding period — the engine behind retirement accounts, high-yield savings, dividend reinvestment, and most long-term wealth building.
Loan Payment Calculator
Calculate the fixed monthly payment on an amortizing loan from the principal, annual interest rate, and loan term in years.
Retirement Savings Calculator
Project the size of your retirement nest egg given your current age, retirement age, monthly contribution, and expected investment return.
Investment Return Calculator
Calculate the annualized rate of return on an investment given its initial cost, additional contributions, final value, dividends received, and holding period.
Debt Payoff Calculator
Calculate how many months it takes to pay off a debt given its balance, APR, minimum payment, any extra monthly payment, and whether you prefer the snowball or avalanche strategy.
Savings Goal Calculator
Work out the monthly contribution you need to hit a specific savings target by a fixed deadline, factoring in your current balance and the interest you expect to earn along the way.
Mortgage Affordability Calculator
Estimate the maximum home price you can afford given your annual income, existing monthly debt payments, and down payment, applying the traditional 28% front-end debt-to-income rule.
Tax Bracket Calculator
Estimate the percentage of your gross income that remains taxable after applying deductions.
Break-Even Point Calculator
Calculate the number of units you must sell at a given price to cover all of your fixed and variable costs — the moment a product or business starts generating profit instead of losing money on each sale.
Currency Exchange Calculator
Convert an amount from one currency to another using a specified exchange rate.
Mortgage Payment Calculator
Estimate the full monthly cost of owning a home — principal, interest, property tax, and homeowner's insurance — bundled into the single number lenders call PITI.
401(k) Retirement Calculator
Project the balance of your 401(k) at retirement given your current age, retirement age, salary, contribution percentage, employer match, and expected annual return.
Loan Amortization Calculator
Calculate the periodic payment on an amortizing loan given the principal, annual interest rate, term in years, and payment frequency.
Emergency Fund Calculator
Calculate how many months it takes to reach your emergency-fund goal given your essential monthly expenses, target months of coverage, current savings, monthly contribution, and a small interest rate on the parked cash.
Tax Withholding Calculator
Estimate how much federal income tax should be withheld from each paycheck given your annual gross income, filing status, allowances, additional deductions, and any extra withholding you've requested.
Auto Loan Calculator
Calculate the monthly payment on a car loan, factoring in sales tax, down payment, and a trade-in.
Business Loan Calculator
Calculate the monthly payment on a business loan, including any origination fee rolled into the amount financed.
Auto Loan Calculator
Calculate the monthly payment on an auto loan from the vehicle price, down payment, trade-in, rate, and term.
Business Valuation Calculator
Estimate a business's market value using a blended approach combining revenue multiples and net income projections.
Net Worth Calculator
Calculate your net worth by adding up all your assets — cash, investments, property, vehicles — and subtracting all your debts.
Internal Rate of Return (IRR) Calculator
Find the annualized return that makes a project's net present value zero, assuming equal annual cash flows.
Future Value Calculator
Project what a lump sum plus regular yearly contributions will grow to at a given rate of return.
Effective Annual Rate (EAR) Calculator
Convert a stated nominal interest rate into the true annual rate once compounding is included.
Doubling Time Calculator
Find how many years it takes an investment to double at a given rate and compounding frequency.
Sortino Ratio Calculator
Measure a portfolio's return per unit of harmful downside risk, ignoring upside volatility.
Treynor Ratio Calculator
Measure a portfolio's excess return per unit of market (systematic) risk, using beta instead of total volatility.