Explore how interest affects what you earn, owe, or receive over time. These calculators help savers, borrowers, and investors estimate deposit growth, repayment amounts, bond values, and the cost of refinancing. Use Annual Percentage Yield to compare savings returns, Fixed Deposit to estimate a deposit’s value, or Refinance Interest Saving to assess a potential loan change.For more detailed planning, try Monthly Annuity Payment for regular payments, Yield to Maturity (YTM) for bond returns, and Rule 78 Interest Allocation to examine how interest is assigned across loan payments. Enter your own figures to compare scenarios before making a financial decision.
Estimate the fixed monthly payment of an annuity by entering the investment amount (present value), annual interest rate, and number of months. Works for fixed annuities, mortgages, and any amortized series of equal monthly payments.
Calculate Economic Value Added (EVA) from operating income, tax rate, capital structure, and capital costs. Enter your figures to get NOPAT, WACC, and the true economic profit your business creates above its cost of capital.
This calculator helps you determine the Internal Rate of Return (IRR) or Effective Rate of Return (ERR) for an investment project. IRR and ERR are key metrics used to evaluate the profitability of investments and compare different financial options by finding the rate at which the net present value (NPV) of cash flows equals zero.
Calculate the Yield to Maturity (YTM) of a bond from its current price, annual coupon payment, face value, and years to maturity. YTM is the total annualized return you would earn by holding the bond until it matures.
Estimate how long it takes to double your investment using the Rule of 72. Enter the annual rate of return and the calculator shows the approximate number of years needed.
Calculate the future value of recurring monthly deposits with compound interest. Enter your monthly deposit amount, annual interest rate, and investment period to see the total accumulated and the interest earned.
Estimate the unearned interest on a loan with the actuarial method: enter the original loan amount, total interest, remaining balance, and an adjustment exponent to see how much of the finance charge is still unearned if you pay off early.
Calculate the EBIT margin by entering your total revenue and EBIT (earnings before interest and taxes). The result shows what percentage of revenue your core operations convert into operating profit.
Estimate how long it takes for an investment to double using the Rule of 70. Enter the annual rate of return as a percentage, and the calculator returns the approximate number of years needed to double your money.
Calculate debtors days (days sales outstanding) from trade receivables, annual credit sales, and days in the year. Enter your figures to see how long it takes to collect payment from customers.
Calculate Fibonacci retracement levels (23.6%, 38.2%, 50% and 61.8%) from a price high and low. Enter the highest and lowest price of the move to find potential support and resistance levels for stocks, forex and crypto.
Calculate the present value of a future amount with continuous compounding. Enter the future value, annual interest rate and number of years to discount the payment using PV = FV × e^(-rt).
Estimate the fixed monthly payment for a debt consolidation loan. Enter your total consolidated debt, annual interest rate, and loan term to see the monthly payment, total repayment, and total interest.
Estimate the Annual Percentage Yield (APY) from a nominal interest rate and compounding frequency. Enter the nominal rate and how often interest compounds to see the true effective annual return.
Calculate Value Added Tax (VAT) instantly. Enter the net price of an item and the VAT rate to get the VAT amount and the gross price including VAT.
Enter total liabilities and shareholders' equity to instantly calculate the Debt to Equity Ratio — a key measure of financial leverage, risk and capital structure for investors, lenders and analysts.
Calculate a company's Earnings Before Interest and Taxes (EBIT) by entering total revenue and operating expenses. EBIT measures operating profitability before financing costs and taxes.
Calculate the interest coverage ratio by dividing EBIT by interest expense. Enter your operating profit and interest payments to see how easily a company can cover its debt interest costs.
Estimate how many years it takes to double your money with the Rule of 69. Enter the annual rate of return as a percentage, and the calculator returns the approximate doubling time in years.
Estimate the fair present value of a bond by entering its coupon payment per period, market interest rate, number of remaining periods, and face value. See how future coupons and the maturity payment discount to today's dollars.
Calculates the fixed periodic payment of a deferred annuity. Enter the present value, annual interest rate, number of payments and the length of the deferral period in years to see the payment once payouts begin.
Calculate the fixed periodic payment of an immediate (ordinary) annuity. Enter the present value, the periodic interest rate, and the number of periods to get the payment made at the end of each period.
Calculate the Net Present Value (NPV) of an investment by entering the initial investment, discount rate, and expected future cash flows. A positive NPV indicates a potentially profitable project.
Estimate the issue price (present value) of a cash certificate: enter the maturity value, annual interest rate and term in years to find how much you must invest today to receive that amount at maturity.
Calculate the fixed monthly repayment needed to pay off a lump sum loan. Enter the principal amount, annual interest rate and loan term in months to get the payment instantly.
Calculate the maturity value of an investment using compound interest. Enter the principal amount, annual interest rate, and number of years to see the final value at maturity.
Calculate the maturity value of a reinvestment plan with fixed monthly deposits. Enter your monthly deposit amount, annual interest rate, and term to see the future value and total interest earned.
Calculate Return On Advertising Spend (ROAS) instantly. Enter the revenue your campaign generated and the cost of your ads to see how many dollars you earn per dollar spent.
Calculate the maturity value of a term deposit with annual compounding. Enter the principal amount, annual interest rate, and term in years to see the final value and total interest earned.
Estimate your new salary after an annual increment. Enter your current yearly salary and the expected raise percentage to see both your new salary and the exact increase amount.
Estimate credit card interest for a billing cycle. Enter your APR and cycle length, then provide either your average daily balance or a starting balance and transactions.
Enter a nominal annual interest rate and instantly get the discounted interest coefficient — the monthly-compounded equivalent of the quarterly rate, used in loan pricing and discounted cash flow analysis.
Calculate the fixed quarterly repayment needed to pay off a lump sum loan. Enter the principal amount, annual interest rate, and loan term in quarters to get the equal quarterly installment.
Calculate the maturity value of a fixed deposit from the principal, annual interest rate and term in years. Enter three values to see the total amount at maturity and the total interest earned, compounded annually.
Estimate how much refinancing can save you. Enter your current loan amount, interest rate and term, plus the new rate and term, to compare monthly payments and see the interest savings.
Calculate simple interest or solve for a missing principal, annual rate, or time. Choose what to solve for, then enter the other values and a time unit.
Enter the initial value, final value and number of years to instantly calculate the Compound Annual Growth Rate (CAGR) — the smoothed annual return an investment would need to grow from start to finish with compounding.
Enter your expected annual rate of return to estimate how many years it will take an investment to double using the Rule of 78, a conservative variant of the Rule of 72. Results are shown in years.
Calculate the maturity value of a recurring deposit from your monthly deposit amount, annual interest rate and term in years. The tool also shows the total interest earned over the deposit period.
Calculate the maturity value of a special recurring deposit. Enter your monthly deposit amount, annual interest rate and investment term to see the total value at maturity and the interest earned.
Estimate the Debt Coverage Ratio (DCR) by entering your annual net operating income and total debt service. The result shows whether your operating income is sufficient to cover principal and interest payments.
Calculate the Debt to Assets Ratio by entering total liabilities and total assets. This leverage metric shows what share of a company's assets is financed by debt, helping you assess solvency and financial risk.
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