Deposits & interest / Free tool

Simple interest calculator

Calculate interest without compounding.

Your numbers

Change an input to explore a different scenario.

Your inputs stay in this browser. Nothing is submitted to a server.

Your estimate
—

Illustrative estimate. See calculation assumptions below.

How this calculation works

Interest = principal × annual rate ÷ 100 × years.

Assumptions & limitations

Constant annual rate and no interim contributions or withdrawals. Before tax.

Change the inputs to compare scenarios. A calculated illustration does not confirm a bank offer, investment return, insurance benefit or eligibility.

Keep exploring

All tools ↗

FD calculator

Estimate a cumulative fixed deposit with quarterly compounding.

RD calculator

Illustrate regular monthly saving with a consistent interest rate.

Compound interest calculator

See how an amount grows with annual compounding.