Compound interest
The math stays in this tab. Nothing is uploaded.
Future value
How to use this tool
Estimate a future value from principal, yearly rate, years, and compounding. Not investment advice.
Open Compound interest
A sample 10-year amount is already filled. Future value sits on the right.
Change principal, rate, years, or frequency
A = P (1 + r/n)^(n t). Monthly compounds 12 times a year.
Copy the future value
Copy puts future value and interest on the clipboard.
FAQ
Can I calculate compound interest here?
Yes. Enter principal, yearly percent, years, and how often it compounds. The tab shows future value and interest earned.
Is this uploaded?
No. The math stays in this tab.
What formula?
A = P (1 + r/n)^(n t). n is compounds per year. Yearly, quarterly, monthly, and daily are built in.
Is this investment advice?
No. Fees, inflation, and taxes are not included.
What currency?
None. It is just a number with two decimal places.