Personal Finance

  • Inflation-Adjusted Retirement Income Calculator
    Find how much annual income you'll need in retirement to keep today's purchasing power after years of inflation. Free, instant compound-inflation calculator.
  • Pension vs Lump Sum Calculator
    Compare an annual pension to a lump sum offer. Calculate the present-value lump sum equivalent of your pension using a discount rate and decide which is better.
  • Rule of 25 Retirement Calculator
    Use the Rule of 25 to find your retirement number: multiply annual expenses by 25. Estimate the nest egg you need for the 4% safe withdrawal rule.
  • Retirement Income Replacement Ratio Calculator
    Calculate your retirement income replacement ratio—the percentage of pre-retirement income your projected retirement income will replace. Free and easy.
  • Retirement Savings Rate Calculator
    Calculate your retirement savings rate — the percentage of gross income you save each year. Enter income and savings to see your % and monthly amount.
  • Group Trip Cost Split Calculator
    Split a group trip's total cost equally and find out exactly who owes whom. Enter what each person paid and get clear settlement payments instantly.
  • Drive Time With Rest Stops Calculator
    Estimate your total road trip time including driving and rest stops. Enter distance, average speed, number of stops, and minutes per stop.
  • Miles to Kilometers Conversion Calculator
    Convert miles to kilometers instantly. Enter any distance in miles and get the exact kilometer value using the factor 1 mile = 1.609344 km.
  • Fuel Needed for Trip Calculator
    Estimate how much fuel your trip needs and the cost. Enter distance, fuel efficiency, and price to get litres or gallons required instantly.
  • Currency Exchange Calculator
    Convert currency at any exchange rate and subtract a fee or markup percentage to see exactly how much you'll receive and your effective rate.
  • Salary Needed for Monthly Expenses Calculator
    Find the gross salary you need to cover your monthly expenses after tax. Enter monthly costs and your tax rate to get the required annual income.
  • Savings Withdrawal Duration Calculator
    Find out how long your savings will last with regular monthly withdrawals and interest. Enter balance, withdrawal, and rate to see the months and years.
  • Millionaire Savings Calculator
    Find out how much to save each month to reach $1,000,000. Enter your goal, current savings, expected return, and timeline to get the monthly deposit.
  • Savings Rate Percentage Calculator
    Calculate what percentage of your salary you save. Enter amount saved and income to instantly find your savings rate as a percentage.
  • Down Payment Percentage Calculator
    Calculate your down payment as a percentage of the purchase price. Enter price and down payment to see your percent down and loan amount instantly.
  • Social Security Full Retirement Age Calculator
    US Social Security tool: enter your birth year to find your full retirement age (FRA) when you qualify for 100% unreduced retirement benefits.
  • Speed Converter Calculator
    Convert speed between mph, km/h, m/s, knots and ft/s instantly. Free online speed unit converter using exact m/s base conversion factors.
  • Credit Card Debt-to-Income Ratio Calculator
    Calculate your debt-to-income (DTI) ratio from credit card and other monthly debt payments versus gross monthly income. See your DTI percentage instantly.
  • Lottery Lump Sum vs Annuity Calculator
    Compare a lottery lump sum cash payout vs annuity payments after taxes. Enter jackpot, cash option %, years and tax rate to see net amounts.
  • Income Tax Bracket Calculator (US)
    Estimate your 2024 US federal income tax by bracket. Get total tax, marginal rate, effective rate, and after-tax income for single or married filers.
  • Flight CO₂ Emissions Calculator
    Estimate the CO₂ emissions of any flight from distance, flight type and passenger count. See kg, tonnes and trees needed to offset your air travel.
  • Car CO2 Emissions Calculator
    Estimate the CO2 emissions and carbon footprint of your car trips from distance, fuel economy and fuel type (gasoline or diesel).
  • Rule of 72 Calculator
    Use the Rule of 72 to estimate how many years it takes to double your retirement savings or investment at a given annual return rate.
  • Annual Withdrawal Amount Calculator
    Calculate your sustainable annual, monthly, and weekly withdrawal amount from a retirement portfolio based on your chosen withdrawal rate (e.g. the 4% rule).

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