Interest & Investment Calculators

Compound interest, APY, future value, CAGR, ROI and IRR, each with the formula written out.

Interest

  • Compound Interest CalculatorCalculate compound interest on a lump sum with optional monthly contributions and any compounding frequency.
  • Daily Compound Interest CalculatorCalculate growth from a daily interest rate compounded every day, with the option to skip weekends.
  • Simple Interest CalculatorCalculate simple interest and the total owed from principal, rate and time in years, months or days.
  • APY CalculatorConvert a nominal interest rate (APR) to annual percentage yield for any compounding frequency.
  • Inflation CalculatorEstimate how inflation changes the cost of goods and the buying power of money over time.

Investing

  • Investment CalculatorProject the growth of an investment with regular contributions, shown before and after inflation.
  • Future Value CalculatorCalculate the future value of a present sum with compound interest and optional periodic deposits.
  • Present Value CalculatorDiscount a future sum to its value today at a chosen rate of return.
  • CAGR CalculatorCalculate the compound annual growth rate between a starting value and an ending value.
  • ROI CalculatorCalculate return on investment as a percentage, with the annualized rate for multi-year holdings.
  • IRR CalculatorCalculate the internal rate of return and net present value of a series of yearly cash flows.
  • Payback Period CalculatorCalculate how long an investment takes to recover its initial cost from yearly cash flow.
  • SIP CalculatorEstimate the future value of a monthly systematic investment plan, with an optional yearly step-up.
  • Stock Average CalculatorCalculate your average cost per share across up to four purchases of the same stock.
  • Forex Compounding CalculatorProject an account balance when a fixed percentage gain is reinvested each day, week or month.

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