Annuity Calculator

Our annuity calculator helps you project future payments, compare options, and secure your retirement income. Easy, accurate, and free—plan smarter today.

Present Value
Future Value

Annuity Information

Annuity Information

Instant results No signup required Standard formulas Free to use

Frequently Asked Questions about Annuity Calculator

Is an annuity calculator safe to use for large financial decisions?

Yes, but only if the calculations are transparent and the tool respects your privacy. The Heycalc calculator shows you every formula and never stores your inputs. For a quick sanity check on a settlement offer or retirement goal, it’s perfect. For signing legal documents, always run the numbers by a CPA or financial advisor—but you can walk into that meeting already knowing the ballpark figure, which puts you in a much stronger position.

Do I need to download software or create an account?

No. That’s the entire point. You’re looking for a free online annuity calculator that works immediately—no downloads, no “free trial” that expires, and absolutely no account creation. Just open the page, enter your numbers, and get your result. It works on your phone, your work laptop, or that old tablet you keep in the kitchen.

What’s the difference between an ordinary annuity and an annuity due?

Ordinary annuity payments happen at the end of each period (like a mortgage payment or most loan payments). Annuity due payments happen at the beginning (like rent or insurance premiums). Because annuity due payments are invested earlier, they have a slightly higher present and future value. The calculator lets you toggle between both so you can see the difference side by side.

Can this calculator handle monthly payments with an annual interest rate?

Yes. When you select “monthly” as your payment frequency, the tool automatically adjusts the interest rate per period. For example, if you enter a 6% annual rate and choose monthly payments, the calculator uses 0.5% per month (6% divided by 12). This is exactly how financial professionals do it. You don’t need to do the conversion yourself.

Why does the future value look so much larger than what I actually saved?

That’s the power of compound interest. If you save $500 per month for 30 years at 7% interest, you contribute $180,000 of your own money. But the future value might show $600,000. The difference is interest earned on your interest. That’s not an error—it’s the whole reason to start saving early. You can use the chart to see how much of the final value came from your contributions versus investment growth.