Simple Interest Calc Math
Simple interest equation principal interest a total accrued amount principal interest p principal amount i interest amount r rate of interest per year in decimal.
Simple interest calc math. R r 100 t time period involved in months or years. R r 100 r rate of interest per year as a percent. Click on the calculate button to calculate. Simple interest is calculated only on the initial amount principal that you invested.
How to use this calculator choose whether you want to calculate simple interest i principal p interest rate r or duration period t. A percentage the interest of the principal is added to the principal making your initial investment grow. Simple interest is money you can earn by initially investing some money the principal. Suppose you give 100 to a bank which pays you 5 simple interest at the end of every year.
After one year you will have 105 and after two years you will have 110. R r 100 t time periods involved. This means that you will not earn an interest on your interest.