Annuity Duration Calculator

Calculates the Macaulay duration for an annuity payment stream, providing a key measure of interest rate sensitivity over time. The tool requires users to input specific financial parameters, including the periodic payment amount, the term length, the frequency of payments, and the yield or discount rate. It processes these inputs mathematically to determine the weighted average time until cash flows are received, giving an accurate estimate of how changes in prevailing interest rates will affect the annuity's present value. Financial planners, retirement advisors, and serious investors utilize this calculator when modeling complex income streams. Professionals use it to assess the risk profile of annuities purchased as part of a comprehensive financial strategy.