Interest Calculator

  • Flat vs Reducing Interest Rate Calculator
    Compare flat vs reducing balance interest. Convert a quoted flat rate to its true effective reducing-balance rate, and compare EMI and total interest.
  • EMI Calculator
    Calculate your loan EMI (Equated Monthly Installment) instantly. Enter loan amount, interest rate and tenure to see monthly payment, total interest and cost.
  • ACB Term Deposit Maturity Calculator
    Calculate the maturity value and simple interest earned on an ACB term deposit from your principal, annual rate, and term in months.
  • Compound Interest with Monthly Deposits Calculator
    Calculate the future value of an investment with an initial deposit plus regular monthly contributions, using monthly compound interest. Free and instant.
  • Discount Factor (Present Value of $1) Table Creator
    Calculate your fixed monthly mortgage payment, total interest, and full amortization breakdown from loan amount, interest rate, and term.
  • APR Calculator (Loan with Fees)
    Estimate a loan's APR by folding upfront fees and total interest into one annual percentage rate. Free, fast, simplified add-on APR calculator.
  • Required Interest Rate Calculator
    Find the interest rate you need to grow a present sum into a target amount over a set number of periods using r = (FV/PV)^(1/n) − 1.
  • 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.
  • Nominal to Effective Interest Rate Calculator
    Convert a nominal annual interest rate (APR) into the effective annual rate (APY) based on the compounding frequency. Free, instant and accurate.
  • Interest-Only Savings Monthly Income Calculator
    Calculate the monthly, weekly and annual income your savings can generate from interest alone, leaving the principal untouched. Free and instant.
  • APY from APR Calculator
    Convert a nominal APR into the effective Annual Percentage Yield (APY) for any compounding frequency. Free, instant APR to APY calculator.
  • Blended (Weighted Average) Interest Rate Calculator
    Calculate the blended (weighted average) interest rate across multiple savings accounts or balances. Free, instant, and easy to use.
  • Compound Interest Calculator with Monthly Contributions
    Calculate compound interest growth with monthly contributions. See your future balance, total deposits, and interest earned over time.
  • Savings Monthly Deposit Calculator
    Find the monthly deposit needed to reach a savings goal by a target date, given an annual interest rate compounded monthly. See deposits vs interest.
  • Daily Interest (Per Diem) Calculator
    Calculate the daily (per diem) interest on a loan or balance from the principal and annual rate, plus total interest over any number of days.
  • Annualized Return Calculator
    Free annualized return calculator: convert a holding period gain or loss into an equivalent yearly compound rate from beginning value, ending value, and days held.
  • Accrued Interest Calculator
    Calculate accrued interest on a bond traded between coupon dates from face value, coupon rate, days since last coupon and days in the period.
  • Interest-Only Payment Calculator
    Calculate your interest-only loan or mortgage payment from the principal, annual rate, and payment frequency. Free, instant, and easy to use.
  • Rule of 70 Calculator
    Use the Rule of 70 calculator to estimate how many years (or periods) it takes for an investment, population, or value to double at a given growth rate.
  • Rule of 114 Calculator
    Use the Rule of 114 to estimate how many years it takes to triple your money at a given annual interest rate. Fast, free tripling-time calculator.
  • Growing Perpetuity Calculator
    Calculate the present value of a growing perpetuity using the Gordon Growth formula PV = C / (r − g). Enter cash flow, discount rate and growth rate.
  • Discount Yield Calculator
    Calculate the bank discount yield on a Treasury bill or discount security from face value, purchase price, and days to maturity (360-day basis).
  • APY to APR Calculator
    Convert APY (annual percentage yield) to APR (nominal annual rate) using your compounding frequency. Free, instant APY-to-APR conversion calculator.
  • APR to APY Calculator
    Convert APR to APY (effective annual yield) by entering the nominal rate and compounding frequency. Free, instant APR to APY conversion calculator.

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