How much will I have if I save every month?
Exact calculation2026 figuresFreeNo sign-up
Example: change the values to see your own case
At the end of the period
€12,899
| You put in | €12,000 |
| Interest earned (after tax) | + €899 |
How it was calculated
Compound interest: each month's interest also starts earning interest. The return is your own assumption. Bank deposits pay little and other products carry risk. This is a calculation, not investment advice.
Frequently asked questions
What is compound interest?
It is interest on interest: the interest you earn also earns in the following months.
What tax is paid on interest in Portugal?
As a rule 28%, withheld automatically by the bank on deposits.