Personal Finance

  • Disposable Income Calculator
    Calculate your disposable income — the money left after expenses. Enter net monthly income and total expenses to see leftover cash and savings rate.
  • Electric vs Gas Car Cost Calculator
    Compare the cost per mile of an electric vs gas car. Enter gas price, MPG, electricity rate and EV efficiency to see your annual fuel savings.
  • Total Cost of Car Ownership Calculator
    Estimate the true 5-year total cost of owning a car: depreciation, fuel, insurance, maintenance, financing and taxes — with per-year and per-month figures.
  • Cashback Calculator
    Free cashback calculator: enter a purchase amount and cashback rate to instantly see your rewards earned and the net cost after cashback.
  • Jet Lag Recovery Calculator
    Estimate how many days you need to recover from jet lag based on time zones crossed and travel direction (eastward vs westward). Free, instant result.
  • How Much Will I Save Calculator
    Find out how much money you save with a percent-off discount. Enter the original price and discount % to see your dollar savings and final price.
  • Knots to MPH and KM/H Converter
    Convert knots to miles per hour and kilometers per hour instantly. Free aviation and marine speed converter using exact conversion factors.
  • Investment Growth Calculator
    Project your investment's future value from an initial lump sum plus annual contributions, compounded yearly. See total interest and growth breakdown.
  • Home Sale Net Proceeds Calculator
    Estimate your home sale net proceeds: subtract mortgage payoff, agent commission, and closing costs from the sale price to see your cash at closing.
  • Rent-to-Income Ratio Calculator
    Calculate your rent-to-income ratio instantly. Enter monthly rent and gross income to see what percentage of pay goes to rent and if it's affordable.
  • Roth IRA Growth Calculator (US)
    Project your US Roth IRA's tax-free future value from your current balance, annual contributions, expected return, and years to grow.
  • Money Runs Out Age Calculator
    Find the age your retirement savings run out. Enter your balance, annual withdrawal, and return rate to project the fund depletion age.
  • Social Security Delayed Retirement Credit Calculator (US)
    US Social Security calculator that estimates your higher monthly benefit from delayed retirement credits (8% per year past full retirement age, capped at 70).
  • Early Retirement Savings Calculator
    Find how many years it takes to reach your early retirement nest egg given your annual contribution and expected investment return.
  • Savings Multiple by Age Calculator
    US retirement savings benchmark: estimate how much you should have saved by your age as a multiple of your annual salary (1x@30 to 10x@67).
  • Monthly Investment Growth Calculator for Retirement
    Estimate your retirement nest egg from regular monthly contributions. See future value, total contributions, and interest earned with compound growth.
  • Electricity Cost of Appliance Calculator
    Calculate the electricity cost of any appliance. Enter watts, hours per day, days per month and your price per kWh to get daily, monthly and yearly cost.
  • Car Lease Payment Calculator
    Estimate your monthly car lease payment from cap cost, residual value, money factor and term. Breaks out depreciation, finance fee and tax (US method).
  • Price Increase Percentage Calculator
    Calculate the percentage increase between an old price and a new price. Enter both values to see the percent change and absolute difference instantly.
  • Cost Per Use Calculator
    Calculate the cost per use of any purchase by dividing the price by the number of times you use it. See if an item is truly worth the money.
  • Trip Budget Calculator
    Estimate your total vacation cost with the trip budget calculator: add transport, lodging per night, daily food, and activities to get total, per-person, and per-day costs.
  • Gas Cost Trip Calculator
    Estimate the gas cost of any trip from distance, MPG, and fuel price. Fast, free fuel cost calculator for road trips and commutes.
  • How Long Will My Money Last Calculator
    Find out how many months and years your savings will last based on your current balance and monthly spending. Free, instant savings runway calculator.
  • Car Sales Tax Calculator
    Estimate sales tax on a car purchase including trade-in credit and fees. See the tax due and your total out-the-door price instantly.

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