• Deposit Needed for Target Monthly Income Calculator
    Find out how much you need to deposit to earn a target monthly income from interest. Enter your desired income and annual rate to get the lump sum.
  • Social Security Benefits Tax Calculator (US)
    US calculator that estimates how much of your Social Security benefits are federally taxable (0%, up to 50%, or up to 85%) using IRS provisional income rules.
  • Social Security Earnings Test Reduction Calculator
    US Social Security earnings test calculator. Estimate how much of your benefit is withheld when wages exceed the annual earnings limit before full retirement age.
  • Savings Needed for Monthly Passive Income Calculator
    Find the lump sum (nest egg) you need to invest to generate a target monthly passive income, based on your chosen safe withdrawal rate.
  • Retirement Savings Duration Calculator
    Estimate how long your retirement savings will last. Enter your balance, interest rate, monthly income and expenses to see years and months until depletion.
  • Retirement Income Gap Calculator
    Calculate your retirement income gap by comparing the income you need against your pension, Social Security and other income sources. Free shortfall estimator.
  • Nest Egg Needed After Pension & Social Security
    Find the retirement nest egg you need after pension and Social Security. Enter your target income and safe withdrawal rate to size your savings goal.
  • How Much Monthly to Retire Calculator
    Find out how much to save each month to hit your retirement goal. Enter target, current savings, years and return for a monthly contribution figure (USD).
  • Coast FIRE Calculator
    Find your Coast FIRE number — the amount to invest once so compound growth alone funds retirement. Free calculator with full FIRE target and progress.
  • Army TSP Contribution Calculator (US)
    Estimate your US Army Thrift Savings Plan (TSP) contributions and BRS agency match — automatic 1% plus tiered matching up to 5% of base pay.
  • 401(k) Contribution Calculator (US)
    Estimate your US 401(k) contributions per paycheck and per year, plus employer match. Enter salary, contribution %, match rate and cap. 2024 limits noted.
  • Savings Needed for Desired Monthly Income Calculator
    Find how big a nest egg you need to fund a desired monthly retirement income, based on your safe annual withdrawal rate (e.g. the 4% rule).
  • Retirement Withdrawal After-Tax Calculator
    Estimate how much of a retirement account withdrawal you actually keep after income taxes. Enter your gross withdrawal and effective tax rate to see the net amount.
  • Income Multiple Net Worth Target Calculator
    Find your recommended net worth by age using salary-multiple benchmarks. Enter your salary and age to see your savings target and gap.
  • 401(k) Contribution from Salary Calculator
    Estimate your annual 401(k) contribution and employer match from your salary and contribution percentage. US retirement plan calculator.
  • Future Value with Inflation Calculator
    Calculate the inflation-adjusted (real) future value of an investment. See nominal growth, today's purchasing power, and how much inflation erodes.
  • Days Until Retirement Calculator
    Japan retirement date calculator. Enter your birth date (Western or Japanese era), retirement age and rule to get the exact retirement date and days, weeks, months and years left.
  • Annuity Calculator
    Calculate the future value and present value of an annuity from your payment, interest rate, and number of periods. Supports ordinary and annuity-due.
  • Retirement Countdown Calculator
    Find out exactly how long until you retire. Enter your current age and target retirement age to see years, months, weeks, and days remaining.
  • 401(k) Early Withdrawal Tax & Penalty Calculator
    US 401(k) early withdrawal calculator: estimate federal & state income tax plus the 10% penalty and see the net cash you keep before age 59½.
  • 401(k) Contribution Paycheck Impact Calculator
    US 401(k) tool: see how much your take-home pay actually drops when you contribute pre-tax, including the tax savings on each paycheck.
  • 401(k) Retirement Calculator (US)
    Estimate your future US 401(k) balance from your current savings, monthly contributions, employer match, expected return, and years to retirement.
  • 401(k) Contribution Tax Savings Calculator
    Estimate how much federal income tax a pre-tax 401(k) contribution saves and how little it actually reduces your take-home pay (US).
  • 401(k) vs Roth 401(k) Calculator
    US retirement tool: compare a traditional 401(k) and a Roth 401(k) after taxes, accounting for upfront tax savings invested and your retirement tax rate.