What is the DPS Calculator?
Calculate the maturity value of a monthly deposit pension scheme (DPS) with tax on interest.
Enter monthly deposit, interest rate per year, term and tax on interest and the DPS Calculator returns maturity value after tax, total deposited, gross interest and tax on interest. Results update as you type, and nothing you enter leaves your device.
How it is calculated
How to use it
- Enter monthly deposit.
- Enter interest rate per year in %.
- Enter term in years.
- Enter tax on interest in %.
- Read maturity value after tax in the results panel. It updates as you type.
- Change any value to compare scenarios, or use Share to send the result as a link.
Worked example
Common questions
What formula does the DPS Calculator use?
It uses: Maturity = M × ((1 + i)^n − 1) ÷ i × (1 + i), with monthly rate i and n deposits; Net interest = Interest × (1 − tax rate).
What do I need to use the DPS Calculator?
You need monthly deposit, interest rate per year, term and tax on interest. Sensible starting values are filled in so you can see how it works straight away.
Is the DPS Calculator free, and is my data stored?
It is free with no sign-up. The calculation runs in your browser, so the values you enter are not sent to or stored on our server.