Claire Boyte-White is the lead writer for NapkinFinance.com, co-author of I Am Net Worthy, and an Investopedia contributor. Claire's expertise lies in corporate finance & accounting, mutual funds, ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Investopedia / Michela Buttignol The future value of an annuity calculates how much a series ...

An annuity is an insurance contract you purchase to receive payments for a specific period, such as 30 years, or for the rest of your life. By applying a mathematical formula consisting of variables ...

Calculating the present value of an annuity using Microsoft Excel is a fairly straightforward process if you know the annuity's interest rate, payment amount, and duration. Calculating this value is ...