Simple Interest Calculator

Use this simple financial calculator to calculate simple interest. Just add the data in the form below and hit calculate. 

Select currency Dollar ($) Pound (£) Euro (€) Krona (kr) Leu (L) Lira (t) Peso (P) Ringgit (RM) Rupee (R) Rupee (Rs) Shekel (₪) Zloty (zl) - other -

Principal amount

$

×

Annual interest rate

%

Period

Days Weeks Months Quarters Years

Interest amount:

$

Total amount:

$

Use this tool to calculate simple interest in less than a minute. It's that simple. Just make sure to enter the data correctly in the form above, this online free financial calculator will calculate simple interest in a click. It does not require installing or downloading any software on your PC, anyone can use this free calculator online free which works in the browser.