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Annuity Calculator
Find out how much a series of regular payments (an annuity) will be worth in the future, based on your interest rate and time horizon.
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What is an annuity’s future value?
An annuity is a series of equal payments made at regular intervals. The future value of an annuity tells you how much those payments, plus accumulated interest, will be worth at the end of the time period.
How this calculator works
Enter your payment amount, annual interest rate, number of years, and how often payments are made. The calculator uses the standard ordinary annuity future value formula, FV = PMT x [((1+i)^n – 1) / i], where i is the interest rate per period and n is the total number of payments.
This is a general financial planning tool. Actual annuity products may have fees, taxes, and terms that affect real returns.
Last reviewed August 2026