Simple Interest Calculator

Principal amount:
$
Interest Rate:
% per year
Period:

Results:

Interest amount:
$
Total amount:
$

Simple Interest Formula

  • x = Principal amount
  • y = Interest Rate % per year
  • z = Period in years
Interest amount = x * y / 100 * z

Examples

Principal amount Interest rate Period Interest amount Total amount
$1000 5% per year 10 years $500 $1500
$5000 10% per year 3 months $125 $5125
$50000 3% per year 15 years $22500 $72500

See also: