Interest Rate Calculator
Know the loan, EMI and tenure but not the rate? This finds the effective annual interest rate.
About this calculator
Sometimes you know the EMI and amount but not the rate the lender used. This calculator solves for the effective annual rate.
Useful for verifying a quoted rate or comparing the true cost of 'no-cost' offers.
All calculations happen in your browser — your numbers are never sent anywhere. Results are estimates for guidance only, not financial advice.
Frequently asked questions
Why find the interest rate?
To verify a lender's quote or to uncover the real rate hidden in an EMI offer.
Is this the APR?
It's the effective annual rate implied by your EMI; APR may also include fees.
Related calculators
EMI Loan Calculator
Monthly EMI, total interest and a full amortization schedule for any loan.
Home Loan EMI Calculator
Plan your home loan EMI, total interest and repayment schedule.
Car / Auto Loan EMI Calculator
Calculate EMI for a new or used car loan.
Personal Loan EMI Calculator
EMI and interest for an unsecured personal loan.