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Free online savings & interest calculators. Fast, accurate, and always free to use.
Use our free savings calculator to estimate how much your savings will grow over time with regular monthly deposits and compound interest. Adjust the initial deposit, monthly contribution, interest rate, and compounding frequency.
Use our free compound interest calculator to see how your investment grows over time with compound interest. Adjust principal, rate, time, and compounding frequency to see the power of compounding.
Use our free simple interest calculator to compute the future value and total interest earned using the simple interest formula A = P(1 + rt). Simple interest is calculated only on the principal amount.
Use our free daily compound interest calculator to see the power of daily compounding. Interest is calculated and added to your balance every day (365 times per year), maximizing your returns.
Use our free monthly compound interest calculator to estimate the future value of an investment with monthly compounding. Interest is calculated and added to your balance 12 times per year.
Use our free annual compound interest calculator to estimate the future value of an investment with annual compounding. Interest is calculated and added to your balance once per year for clear, easy-to-understand growth projections.
Use our free future value calculator to estimate how much your investments will grow over time. Supports lump sum investments and recurring periodic payments with various compounding frequencies.
Use our free present value calculator to determine how much a future sum of money is worth today, discounted at a given interest rate. Essential for investment analysis and financial planning.
Use our free recurring deposit calculator to estimate the maturity amount for your RD (Recurring Deposit) account. Calculate how monthly deposits grow with compound interest over the deposit term.
Use our free fixed deposit calculator to estimate the maturity amount for your Fixed Deposit (FD) investment. A lump sum deposited for a fixed term earns compound interest at a fixed rate.
Use our free time deposit calculator to estimate the maturity value of a time deposit (also called a term deposit). Enter a lump sum, choose a term length, and see how compound interest grows your investment.
Use our free Certificate of Deposit (CD) calculator to estimate the maturity value of a CD investment. Includes early withdrawal penalty calculations and APY comparison across different terms and rates.
Use our free savings goal calculator to determine how long it will take to reach your savings target, or how much you need to save each month to reach your goal by a specific date.
Use our free emergency fund calculator to determine the ideal size of your emergency fund based on your monthly expenses and desired coverage period. Financial experts recommend 3-6 months of essential expenses.
Use our free Rule of 72 calculator to estimate how long it will take to double your investment at a given annual rate of return, or what interest rate you need to double your money in a specific time frame.
Use our free Rule of 70 calculator to estimate the doubling time of an investment. The Rule of 70 (Years = 70 / Rate) is often more accurate than the Rule of 72 for lower interest rates and continuous compounding scenarios.
Use our free APY (Annual Percentage Yield) calculator to convert a nominal interest rate (APR) to an effective annual yield. APY accounts for compounding and shows the true annual return on your savings.
Use our free APR (Annual Percentage Rate) calculator to convert APY to its nominal APR, or calculate the APR of a loan including interest and fees. APR represents the true annual cost of borrowing.
Use our free effective interest rate calculator to convert a nominal (stated) annual interest rate to the effective rate that accounts for compounding. The effective rate reflects the true annual return or cost.
Use our free nominal interest rate calculator to convert an effective annual rate back to the nominal (stated) annual rate. This is the reverse of the effective rate calculation and shows the APR equivalent of a given APY.
Use our free inflation adjusted return calculator to find the real return on your investments after accounting for inflation. The Fisher equation shows that high inflation can significantly reduce purchasing power gains.
Use our free real interest rate calculator to find the real interest rate — the nominal rate adjusted for inflation. Both the simple approximation (r ≈ i - π) and the exact Fisher equation calculation are provided.
Use our free continuous compounding calculator to see how your investment grows when interest is compounded continuously — the mathematical limit of compounding frequency. Uses the natural exponential function A = Pe^(rt).
Use our free discount factor calculator to compute the discount factor for a given interest rate and time period. The discount factor represents the present value of $1 received in the future, essential for DCF analysis and NPV calculations.
Use our free future savings calculator to project your savings growth over time with an initial balance, regular contributions, and compound interest. See a year-by-year breakdown of deposits, interest earned, and ending balance.
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