Simple Interest Calculator
Calculate SI using formula: P × R × T / 100
SI Details
Enter principal & rate
₹1K₹1Cr
1%30%
1 Yr30 Yrs
SI Result
Total Amount
₹1,40,000
Principal + Interest
Principal
₹1,00,000
Simple Interest
₹40,000
📊 Formula Used
SI = P × R × T / 100
💡 SI Insight
Simple interest gives ₹40,000 in 5 years. For investments, compound interest is always better!
❓ FAQs
Simple Interest (SI) is interest calculated only on the original principal. Unlike CI, it doesn't compound. Used in some loans and short-term deposits.
SI = (P × R × T) / 100
P = Principal, R = Rate per annum, T = Time in years
Total Amount = P + SI
SI is used in short-term loans, vehicle loans, personal loans, certain bonds, and educational loans. Most banks use CI for FD/RD.
SI: Linear growth (constant)
CI: Exponential growth (compounds)
For longer durations, CI is significantly higher!