Personal Finance

  • Average Speed from Time and Distance Calculator
    Calculate average speed from distance and time. Enter distance in km, miles, or meters plus hours, minutes, and seconds to get km/h, mph, and m/s.
  • Tip Calculator
    Enter bill amount, tip percentage, and number of people to see tip amount, total, tip per person, and total per person—split the bill in seconds.
  • 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.
  • Taxable Social Security Benefits Calculator (US)
    US calculator: estimate how much of your Social Security benefits are taxable using IRS provisional-income thresholds (up to 85% taxable).
  • Percentage of Income Spent on Rent Calculator
    Find out what percentage of your monthly income goes to rent. Enter your rent and income to check affordability against the 30% rule.
  • Percent of Budget Spent Calculator
    Find what percentage of your budget you have spent. Enter your total budget and amount spent to see percent used, percent remaining, and money left.
  • 401(k) Contribution Percentage Calculator
    US 401(k) calculator: enter your salary and deferral percentage to see your annual and per-paycheck retirement contribution amounts.
  • Affordable Rent from Income Percentage Calculator
    Find your maximum affordable monthly rent based on your income and a chosen percentage (commonly the 30% rule). Free, instant rent budget calculator.
  • Debt-Free Date Calculator
    Find out when you'll be debt-free. Enter your balance, interest rate, and monthly payment to see months to payoff, your payoff date, and total interest.
  • Monthly Savings Needed for Goal Calculator
    Find the monthly deposit needed to reach a savings goal by a target date, accounting for compound investment growth at your expected annual return.
  • Mortgage Closing Cost Calculator
    Estimate mortgage closing costs and total cash needed at closing from home price, down payment, and a 2-5% closing cost rate (US).
  • Time From Speed and Distance Calculator
    Calculate how long a trip takes from distance and speed. Enter distance and speed (km/h or mph) to get travel time in hours, minutes, and seconds.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.

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