Personal Finance

  • Discount Percentage Calculator
    Find the discount percentage from an original and sale price. Enter both prices to instantly see the % off and how much money you saved.
  • Trip Fuel Cost Calculator
    Estimate the fuel cost of any road trip. Enter distance, MPG and fuel price to get total gas cost and gallons needed instantly.
  • Retirement Age Calculator
    Find the exact date you reach your chosen retirement age and a live countdown in days and years from your birth date.
  • Rent-to-Income Percentage Calculator
    Calculate what percentage of your gross monthly income goes to rent. Check affordability against the popular 30% rule with this free calculator.
  • Shipping Box Volumetric Weight Calculator
    Calculate the volumetric (dimensional) weight and volume of a shipping box from its length, width, height and the carrier dimensional divisor (5000, 6000 or 4000).
  • Income Needed to Buy a House Calculator
    Find the annual income needed to qualify for a mortgage. Enter loan amount, rate, taxes and insurance to see the salary required by your DTI ratio.
  • Safe Withdrawal Rate (4% Rule) Calculator
    Calculate your safe annual and monthly retirement withdrawal using the 4% rule. Enter your portfolio value and withdrawal rate to plan income.
  • Salary Needed for a Mortgage Calculator
    Find the annual salary needed to qualify for a mortgage using the 28% front-end DTI rule. Enter loan amount, rate, term, taxes and insurance.
  • Required Minimum Distribution (RMD) Tax Calculator
    US RMD Tax Calculator: estimate your IRS required minimum distribution from a retirement account and the income tax owed at your marginal rate.
  • Trucking Cost Per Mile Calculator
    Calculate your trucking cost per mile (CPM) by dividing total fixed and variable costs by miles driven. Free CPM calculator for owner-operators.
  • Average Speed Calculator
    Calculate average speed from total distance and total time. Free average speed calculator using distance ÷ time — works for any units.
  • Tax Refund Calculator (US)
    Estimate your 2026 US federal tax refund or balance due from your income and withholding using the standard deduction and IRS tax brackets.
  • Paycheck Calculator (Per Pay Period)
    Estimate your net take-home pay per paycheck. Enter gross pay, pay frequency, federal/state/FICA rates and deductions. US-oriented estimate.
  • Savings Growth with Regular Contributions Calculator
    Project the future value of your savings with an initial balance plus regular monthly, quarterly or annual contributions and compound interest.
  • Loan Amortization Schedule Calculator
    Calculate your monthly loan payment, total interest, and amortization summary from loan amount, interest rate, and term in seconds.
  • Stock Profit / Return Calculator
    Calculate your stock trade net profit and return on investment (ROI). Enter buy price, sell price, shares and fees to see your gain or loss instantly.
  • Roth vs Traditional IRA Calculator (US)
    Compare the after-tax retirement value of a Roth IRA vs a Traditional IRA (US). Enter contribution, return, years and your retirement tax rate.
  • FIRE Number Calculator
    Calculate your FIRE number — the portfolio you need to retire early. Enter annual expenses and a safe withdrawal rate to find your financial independence target.
  • 401(k) Employer Match Calculator
    US 401(k) employer match calculator. Enter your salary, contribution %, match rate and cap to see how much free money your employer adds each year.
  • Living Wage Calculator
    Calculate the hourly living wage you need to cover annual living costs based on your weekly working hours. Free, instant, and easy to use.
  • 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.
  • Combined Household Income Calculator
    Add up the incomes of two or more earners to find your total combined household income per year and per month. Free, fast, and universal.
  • Per Diem Calculator
    Calculate total per diem allowance from a daily rate, full travel days and partial travel-day percentages. Free, fast and accurate online tool.
  • 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.

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