Calculate Simple Interest and total amount with ease. Enter your principal amount, interest rate, and time period to get instant results.

Input Fields

Results

Simple Interest: -
Total Amount: -

Formula

Simple Interest = (P × R × T) ÷ 100
P = Principal Amount
R = Rate of Interest (% per annum)
T = Time Period (in years)

Quick Tips

  • Simple interest is calculated only on the principal amount
  • Enter interest rate as a percentage (e.g., 5 for 5%)
  • Time period can be in decimals (e.g., 1.5 for 18 months)