Finance · Calculators
38 tools in this section, each with a documented method and sources.
Currency converterTier 1Convert dollars, euros, reais and 27 other currencies at the European Central Bank's official daily reference rates.Mortgage calculatorTier 0Enter the home price, down payment and rate to see the full monthly cost of a mortgage.Compound interestTier 0Project a balance from an initial deposit plus monthly contributions at a fixed annual rate, compounded annually to daily. Everything runs on this page.Car loan calculatorTier 0Enter the car price, what you put down and the loan terms to see your monthly payment.Loan calculatorTier 0Enter the amount, rate and term to see your payment and how the balance falls each year.Paycheck calculatorTier 0Enter your salary, pay frequency and filing status to see your net pay per paycheck.Amortization scheduleTier 0See exactly where each payment goes, month by month, until the balance reaches zero.Inflation calculatorTier 0Enter an amount, an average inflation rate and the number of years.Salary to hourly calculatorTier 0Enter your pay and how often you get it to see it in every other period.Brazil net salary (CLT)Tier 0Enter the gross monthly salary in reais to see INSS, income tax and net pay under the 2026 tables.401(k) calculatorTier 0Enter your age, salary, contribution and employer match to see how your 401(k) could grow.Margin calculatorTier 0Enter cost and price to get margin and markup, or set a target to find the price.Roth IRA calculatorTier 0Enter your age, income and planned contribution to see your allowed amount and future balance.Brazil vacation payTier 0Enter your salary and vacation days to see what you receive before going on holiday.Simple interestTier 0Interest on the original amount only, for a period in years, months or days.Sales tax calculatorTier 0Enter a price, pick a state and optionally your local rate to see the tax.ROI calculatorTier 0Enter what you put in and what you got back to see your return.VAT calculatorTier 0Choose whether your price includes tax, then enter the amount and the rate.CAGR calculatorTier 0Enter a start value, an end value and the number of years to get the steady yearly growth rate.Brazil overtime payTier 0Enter your salary, the overtime hours and the working and rest days in the month.Break-even calculatorTier 0Enter your fixed costs, price and variable cost to see how much you need to sell to cover them.Present value calculatorTier 0How much is a future amount worth today? Enter it with a discount rate and the number of years.Brazil 13th salaryTier 0Enter the salary and months worked this year to see both 13th-salary payments.Future value calculatorTier 0Start with an amount, add a monthly deposit and see what it grows to.NPV calculatorTier 0Enter the discount rate and one cash flow per period, starting with the initial investment.Savings goal calculatorTier 0Set a goal and a deadline to see the monthly deposit that gets you there.Brazil FGTS calculatorTier 0Enter the salary, the months of deposits and your current FGTS balance.Brazil INSS calculatorTier 0Enter the monthly salary in reais to see the INSS contribution under the 2026 table.Brazil unemployment insuranceTier 0Enter your average salary in the last three months and how long you worked.Credit card payoffTier 0Enter your balance and APR, then a monthly payment or a payoff target.IRR calculatorTier 0Enter one cash flow per period, starting with the investment as a negative number.APR to APY calculatorTier 0Turn a nominal annual rate into the yield you actually earn in a year, or reverse it.Brazil IRRF calculatorTier 0Enter the gross monthly salary in reais to see the income tax withheld under the 2026 rules.Overtime calculatorTier 0Enter your hourly rate and the hours you worked this week.Rule of 72 calculatorTier 0Enter an annual rate to see roughly how long money takes to double.Capital gains tax calculatorTier 0Enter the gain, how long you held the asset and your other taxable income.Self-employment tax calculatorTier 0Enter your net self-employment profit to see your Social Security and Medicare tax.Brazil night shift premiumTier 0Enter your salary and the clock hours you worked between 22:00 and 05:00 this month.