• Cost Per Mille (CPM) Calculator
    Calculate CPM (cost per 1,000 ad impressions) from your total campaign cost and impressions. Free, instant CPM calculator for advertisers.
  • 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.
  • Compound Interest Calculator
    Calculate compound interest and the future value of your savings. Enter principal, rate, years and compounding frequency to see your total balance.
  • ACB Loan Amortization Schedule Calculator
    Calculate your monthly EMI, total interest, and amortization breakdown for any loan using the standard reducing-balance amortization formula.
  • Simple Interest Calculator
    Calculate simple interest earned and total savings balance from your deposit, annual rate, and time. Uses I = P × r × t and A = P + I.
  • ACB Loan Early Repayment / Prepayment Savings Calculator
    Estimate the interest you save by prepaying your ACB loan early. Enter your EMI, rate and remaining months to see payoff amount and total interest avoided.
  • ACB Credit Card Interest Calculator
    Estimate your credit card finance charge using the Average Daily Balance (ACB) method, APR, and billing cycle length. Free and instant.
  • Flat vs Reducing Balance Interest Rate Calculator
    Compare flat-rate vs reducing-balance loan interest. See total interest, EMI, and the effective rate of a flat-rate loan instantly.
  • ACB Loan Eligibility Calculator
    Estimate the maximum loan you can borrow from your monthly income using the DTI ratio, interest rate, and term with this ACB loan eligibility calculator.
  • Car Payment Affordability Calculator
    Find the maximum car price you can afford from your monthly budget, down payment, APR, and loan term. See financed loan amount and total interest.
  • Rule of 72 Doubling Time Calculator
    Use the Rule of 72 to estimate how many years it takes an investment to double at a given annual rate. Fast, free doubling time calculator.
  • W-4 Tax Withholding Calculator (US)
    Estimate 2024 US federal income tax withholding per paycheck from your W-4: gross pay, filing status, pay frequency, and dependent credits.
  • Singapore Income Tax Calculator (IRAS)
    Calculate your Singapore resident income tax using IRAS progressive tax brackets (YA 2024). Enter your chargeable income to see tax payable and effective rate.
  • Prorated Rent Calculator
    Calculate prorated rent for a partial month based on monthly rent, days in the month, and days occupied. Free, fast, and accurate.
  • Monthly Payment from APR Calculator
    Calculate your monthly loan payment from the APR, loan amount, and term. See total payments and total interest using the standard amortization formula.
  • Lump Sum Needed Today for a Future Goal
    Find the lump sum you need to invest today to reach a future savings goal. Uses present value PV = FV / (1 + r)^n with annual compounding.
  • Interest Earned Calculator
    Calculate the total compound interest earned on savings or a deposit. Enter principal, rate, term and compounding frequency to see interest and final balance.
  • 401(k) Employer Match Calculator
    US 401(k) employer match calculator. Enter salary, your contribution %, match rate and cap to see the free money your employer adds each year.
  • Salary vs Hourly Equivalent Comparison Calculator
    Convert an annual salary into its equivalent hourly rate. Enter salary, hours per week and weeks per year to see hourly, weekly and monthly pay.
  • Late Payment Interest Calculator
    Calculate interest on overdue invoices and late payments. Enter the amount, annual rate and days overdue to get the interest owed and total due.
  • Sole Trader Tax Calculator (UK)
    UK sole trader tax calculator for 2024/25. Estimate Income Tax, Class 2 and Class 4 National Insurance, and take-home profit from your self-employed earnings.
  • France Income Tax Calculator
    Estimate French income tax (impôt sur le revenu) for 2024 using progressive brackets and the quotient familial. France only; excludes décote and social charges.
  • Principal vs Interest Breakdown Calculator
    See how much of any loan payment goes to principal vs interest. Enter loan amount, rate, term and payment number for an instant amortization breakdown.
  • Down Payment Calculator
    Calculate your down payment amount and remaining loan balance from a purchase price and down payment percentage. Free, instant, and easy to use.