Annuity Calculator
Results
Total Contributions: $
Future Value of Annuity: $
How to Use the Annuity Calculator
What Is an Annuity Calculator?
An annuity calculator is a financial tool used to determine the future value of a series of regular payments (such as monthly deposits) invested over some time at a fixed interest rate.
Why Use an Annuity Calculator?
Whether you're planning for retirement, saving for a goal, or just exploring investment options, this tool helps you understand how your regular contributions will grow over time thanks to compound interest.
How to Use the Calculator (Step-by-Step)
Step 1: Enter Your Regular Payment
- In the "Regular Payment" box, type the amount you plan to contribute each month.
- Example:
$500
Step 2: Enter the Interest Rate
- This is the annual rate your annuity or investment account offers.
- Enter as a percentage (e.g., enter
5for 5%).
Step 3: Enter the Duration in Years
- Specify how many years you will make regular payments.
- Example:
20for 20 years of monthly contributions.
Step 4: Click “Calculate Future Value.”
- You’ll instantly see:
- Total Contributions (your out-of-pocket investment)
- Future Value (what it will be worth after compounding interest)
Example Calculation
If you:
- Contribute $500 per month
- For 20 years
- At 5% interest annually
You would contribute $120,000But the future value would be around $198,000, thanks to compounding.
FAQ – Annuity Calculator
What is an annuity?
An annuity is a series of equal payments made at regular intervals, often used in retirement savings, pensions, or structured investments.
Is this calculator for ordinary or due annuities?
This calculator assumes an ordinary annuity (payments made at the end of each period). Let me know if you'd like a version for annuity due.
Can I change the frequency from monthly to quarterly or yearly?
Not yet — this version is monthly by default. But it can be customized to support other frequencies.
Does this account for taxes or fees?
No, it’s a pure financial estimate. It does not include potential management fees, taxes, or penalties.
Can I use this calculator for retirement planning?
Yes! It’s perfect for estimating the future value of consistent retirement contributions.