Simple Interest Calculator - Calculate SI Online
Calculate simple interest on your investments or loans. Get instant results with our free simple interest calculator.
Calculate Simple Interest
Initial amount
Annual interest rate
Duration in years
Total Amount
₹1,40,000
Simple Interest
₹40,000
Formula & Explanation
SI = (P × R × T) / 100Where SI = Simple Interest, P = Principal amount, R = Annual interest rate, T = Time period in years. The total amount = Principal + Simple Interest.
Calculation Examples
5-Year SI
₹1 Lakh at 8% for 5 years
Interest: ₹40,000 | Total: ₹1,40,000
Benefits
- Easy to understand
- Quick calculation
- Transparent interest
- Good for short-term
Use Cases
- Short-term loans
- Quick comparisons
- Education
- Basic planning
About Simple Interest Calculator
Our Simple Interest Calculator helps you calculate interest earned or payable on a principal amount at a fixed rate for a specific period. Simple interest is calculated only on the original principal, making it straightforward to understand and compute.
Frequently Asked Questions
Simple interest is calculated only on the original principal amount. Unlike compound interest, it doesn't earn interest on previously accumulated interest.
Simple interest is commonly used in short-term loans, car loans, some personal loans, and certain savings instruments. It's simpler to calculate but yields less than compound interest.