Formula
SI = P × r × t / 100Disclaimer: Results are estimates based on the inputs you provide. They are not professional advice. For consequential decisions — financial, tax, medical, or legal — verify with a qualified professional.
Free • No signup
Simple Interest Calculator
Calculate simple interest on a loan or deposit. Quickly find interest payable, total amount, and time required.
Enter your values
₹
%
years
Simple Interest
₹35,000
Total Amount (P + SI)
₹1,35,000
Principal
₹1,00,000
Related calculators
Compound Interest
Calculate compound interest on any investment with flexible compounding frequency — monthly, quarterly, or annually.
Fixed Deposit
Calculate the maturity amount of your fixed deposit with quarterly compounding (standard for Indian banks).
EMI
Calculate the equated monthly installment (EMI) for any loan — home, car, or personal — with complete amortization breakdown.
SIP
Calculate the future value of your monthly Systematic Investment Plan (SIP) in mutual funds. See total invested, gains, and final corpus.
Loan Eligibility
Find out the maximum home loan you can get based on your monthly income, existing obligations, and loan tenure.
RD
Calculate the maturity value of your monthly recurring deposit with quarterly compounding.