See how much your savings can grow with compound interest
Type an initial deposit, a monthly contribution and an expected return — and watch the balance, contributions and interest grow year by year for up to 50 years.
- ⚡ Instant download
- 🔒 Secure checkout by Stripe
- ↩️ 7-day guarantee
Sound familiar?
- You know you should invest but the numbers feel abstract
- Online calculators don’t let you play with every assumption
- You want to see how much is interest vs your own money
The Compound Interest Calculator fixes that in a few minutes, for $2.
What changes when you use it
Your money vs interest
Final balance split into what you contributed and what interest earned.
Play with every assumption
Rate, years, compounding, monthly contribution and yearly raise.
Year-by-year table
Start balance, contributions, interest and end balance for each year.
The snowball, visualized
A stacked chart of contributions and interest over time.
What's inside the spreadsheet
- Initial deposit, monthly contribution, annual rate and years
- Monthly, quarterly or annual compounding
- Yearly increase of contributions
- Final balance, total contributed and interest earned
- Interest share of the final balance
- Yearly growth table up to 50 years
- Stacked chart
- How to use tab
Ready in 3 simple steps
Buy securely
Pay $2 once through the secure checkout (Stripe).
Download instantly
Your file is ready right after payment and also arrives in your e-mail.
Fill in and use
Open it in Excel, type your data and let the formulas do the work.
Made for
Everything you get
- Compound Interest Calculator (.xlsx file), 100% editable
- Instant download right after payment, plus the link in your e-mail
- Use it on as many of your own computers as you need
- No subscription and no monthly fees, ever
- Free e-mail support to help you get started
- 7-day money-back guarantee
Works with: Excel 2010 or newer on Windows or Mac · also opens in Google Sheets
Turn the plan into monthly goals with the Savings Goal Tracker.Compound Interest Calculator
$2
The best $2 you’ll spend on your future self.
Download nowFrequently asked questions
Is this investment advice?
No. It is a calculator: returns are an assumption you choose.
Can I model a savings account?
Yes. Use the account’s interest rate and monthly compounding.
Does it include taxes or inflation?
No. Use a lower “real” rate to account for inflation.
How do I receive the spreadsheet?
Right after payment you get the download link on screen and by e-mail. Lost it? Get new links anytime on the "My downloads" page.
Which software do I need?
Microsoft Excel 2010 or newer (including Microsoft 365) on Windows or Mac. It also opens in Google Sheets and LibreOffice, although some formatting may look slightly different.
Can I edit it and add my logo?
Yes. The file is not locked: you can rename labels, add rows and put your own logo in it.
What language is the file in?
English.
Is it a subscription?
No. You pay $2 once and the file is yours to use for as long as you want.
What if it is not what I need?
You have 7 days to try it. If it does not meet your needs, write to us and we will help you, exchange it for another template or refund your payment.
More about the Compound Interest Calculator
Type an initial deposit, a monthly contribution and an expected return — and watch the balance, contributions and interest grow year by year for up to 50 years.
What's inside
- Initial deposit, monthly contribution, annual rate and years
- Monthly, quarterly or annual compounding
- Yearly increase of contributions
- Final balance, total contributed and interest earned
- Interest share of the final balance
- Yearly growth table up to 50 years
- Stacked chart
- How to use tab
Works in Microsoft Excel 2010 or newer (Windows and Mac) and opens in Google Sheets. One-time payment, instant download.
Get organized today for just $2
Download the Compound Interest Calculator now and start using it in minutes.
Download now for $2One-time payment · Instant download · 7-day guarantee
