Loan Calculator
Estimate monthly payments.
Enter principal, annual interest rate, and loan term.
Loan Inputs
Supports zero-interest loans too.
Total Paid
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Interest
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How It Works
Enter Loan Amount
Enter the total principal amount you plan to borrow.
Enter Interest Rate
Enter the annual interest rate offered by your lender.
Set Loan Term
Enter the repayment term in years or months.
Calculate EMI
Click Calculate to see your monthly payment and total interest cost.
Loan Calculator Overview
A Loan Calculator, also called an EMI Calculator, estimates your monthly payment — Equated Monthly Installment — for a loan such as a home, auto, or personal loan, based on the loan amount, interest rate, and repayment term. It also shows the total interest you'll pay over the life of the loan.
Why Use This Calculator
- Estimate monthly payments for any fixed-rate loan
- See total interest and total repayment over the full term
- Compare how different terms or rates affect your payment
- Useful for home, auto, personal, and student loans
Calculation Formula
EMI = [P × R × (1+R)^N] ÷ [(1+R)^N − 1]
P = Principal, R = Monthly Rate, N = Months
Worked example: fixed-rate monthly payment
You borrow 25,000 at 8% annual interest for 5 years and want an estimated monthly payment.
- 1Convert annual interest to a monthly decimal rate: 0.08 / 12 = 0.006667.
- 2Convert years to months: 5 x 12 = 60 payments.
- 3Apply the EMI formula using principal 25,000, monthly rate 0.006667, and 60 months.
- 4The estimated payment is about 506.91 per month before fees, taxes, or insurance.
A longer term would reduce the monthly payment but increase total interest. A lower rate reduces both the payment and total interest.
How this differs from simple interest math
This page estimates amortized payments where each installment includes interest plus principal. Simple percentage math cannot show the repayment balance over time.
Common mistakes to avoid
- Do not compare loans only by monthly payment; compare total interest too.
- Do not enter monthly interest as if it were annual interest.
- Do not assume the estimate includes lender fees, taxes, insurance, or prepayment penalties.
Frequently Asked Questions
Does this include taxes, insurance, or fees?
No — this calculates principal and interest only. Mortgages, in particular, often include property tax and insurance in the actual monthly payment (PITI), which this tool doesn't factor in.
What's the difference between fixed and variable interest rate loans?
A fixed rate stays the same for the life of the loan, so your EMI never changes; a variable rate can rise or fall with market conditions, changing your EMI over time — this calculator assumes a fixed rate.
How does loan term affect total interest paid?
A longer term lowers your monthly payment but increases the total interest paid over the life of the loan, since interest accrues for a longer period.
Is this financial advice?
No. This tool provides estimates for planning purposes only; consult a licensed financial advisor or your lender for exact figures and terms before making borrowing decisions.
What is amortization?
Amortization is the process of paying off a loan through regular payments over time, where each payment covers both interest and a portion of the principal — early payments are interest-heavy, and later payments pay down more principal.
Can I pay off a loan early to save on interest?
In many cases yes, though some lenders charge prepayment penalties — check your specific loan agreement, since paying extra toward principal generally reduces total interest paid.
How does a larger down payment affect my EMI?
A larger down payment reduces the principal amount you need to borrow, which lowers both your monthly EMI and the total interest paid over the loan's life.
Why is early loan interest higher?
At the start, the outstanding principal is largest, so more of each payment goes to interest.
Does making extra payments help?
Extra principal payments usually reduce interest and shorten payoff time, unless a prepayment penalty applies.
Can I use this for student loans?
Yes for fixed-rate amortized student loans, but deferment, subsidies, and variable rates may change the real schedule.