Loan / EMI Calculator
🔒 All calculations performed locally in your browser
$
%
Loan A
$
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Loan B
$
%
Monthly EMI
$0.00
per month
Total Interest
$0.00
Total Payment
$0.00
Interest Ratio
$0.00 per $1
Principal
Interest
Amortization Schedule
| # | Date | EMI | Principal | Interest | Balance |
|---|
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$
Original Loan
Total Interest-
Total Payment-
Payoff Date-
Term-
With Prepayment
Total Interest-
Total Payment-
Payoff Date-
Term-
Interest Saved
$0.00
Months Saved
0
Payment Saved
$0.00
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How to Use This Loan Calculator
- Enter your loan amount, interest rate, and termType exact values or drag the sliders for quick adjustments. The calculator instantly computes your Equated Monthly Installment (EMI) along with total interest and total repayment amount.
- Switch tenure between years and monthsUse the toggle button next to the term input to match the units your lender quotes. All three headline numbers update live.
- Read the amortization scheduleThe month-by-month breakdown below the results splits each payment into principal and interest. Toggle the yearly summary to see annual totals instead.
- Spot the crossover pointThe month your principal payment first exceeds the interest payment is highlighted in the table — a key milestone for every amortizing loan.
- Model extra payments and lump sumsExpand the Extra Payments section to add a recurring monthly amount or a one-time lump sum. The comparison summary shows interest saved and months shaved off your loan.
All calculations use the standard amortization formula and run entirely in your browser. No loan details are ever sent to a server.
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What is EMI (Equated Monthly Installment)?
EMI stands for Equated Monthly Installment. It is the fixed amount you pay to your lender every month until the loan is fully repaid. Each EMI payment consists of two components: a portion that goes toward reducing the principal balance, and a portion that covers the interest charged for that month. A loan calculator lets you see both components clearly before you commit.
How the principal-interest split shifts over time
In the early years of a loan, a larger share of each payment goes toward interest. As the outstanding balance decreases over time, the interest portion shrinks and more of your payment applies to the principal. This shift is clearly visible in the amortization schedule.
Three factors that drive your EMI
- Principal amountThe sum you borrow. A higher principal raises your EMI proportionally.
- Interest rateThe annual rate your lender charges. Even a 0.5% difference can save thousands over the life of the loan.
- Loan tenureA longer tenure lowers the monthly payment but increases total interest paid; a shorter tenure does the opposite.
The standard EMI formula
EMI formula used by every lender
EMI = P × r × (1 + r)n ÷ ((1 + r)n − 1)
Where P is the principal, r is the monthly interest rate (annual rate ÷ 12), and n is the total number of monthly payments. This formula ensures each payment is identical throughout the loan term, making budgeting predictable.
Understanding your EMI helps you plan your monthly budget and compare loan offers. Even a small difference in interest rate can translate to significant savings over a 15- or 30-year loan. For example, on a $300,000 mortgage, a 0.5% rate reduction can save over $30,000 in total interest.
Loan Calculator Features
- EMI + total interest + total repaymentAll three core numbers shown instantly as you type or drag the sliders.
- Full amortization scheduleEvery month (or every year) with principal, interest, and remaining balance laid out clearly.
- Crossover highlightThe exact month your principal portion surpasses interest is visually flagged.
- Extra payment analysisAdd monthly or one-time extra payments to see interest saved and months shaved off.
- Years or months tenureSwitch units with a single toggle to match your lender's quote.
- Sliders and exact inputsAdjust quickly with sliders or type precise numbers for accurate scenarios.
- Any fixed-rate loanWorks for home, auto, personal, student, medical, and business loans.
- Private, fast, offline-capable100% browser-based calculations — no signup, no account, no data leaves your device.
Loan Types This Calculator Supports
- Home loan / mortgageCompute monthly payment and interest on a 15- or 30-year loan. For a mortgage with taxes and insurance, use our Mortgage Calculator.
- Auto loan / car loanTypical 3–7 year terms; compare dealer financing against credit union quotes.
- Personal loan1–7 year installment loans for debt consolidation, home improvement, or emergencies.
- Student loanFederal and private student loan monthly payments (standard repayment plan).
- Business loanSBA loans, equipment financing, or working-capital lines amortized over fixed terms.
- Medical loanHospital payment plans and medical financing amortized monthly.
- Motorcycle, RV, and boat loansAny fixed-rate secured consumer loan with a predictable payoff schedule.
- Credit card payoff modelingUse the minimum payment and APR as a rough guide (credit cards revolve rather than amortize).
Money-Saving Loan Tips
- Compare APR, not just interest rateAPR includes origination fees and closing costs, giving a truer total cost of borrowing.
- Shorter terms beat refinancing laterIf you can afford the higher payment, a shorter term saves more interest overall.
- Round up your paymentRounding a $478 EMI to $500 can cut years off a long loan with no refinance needed.
- Apply windfalls to principalTax refunds and bonuses applied to the principal save compound interest for the rest of the term.
- Biweekly paymentsPaying half your EMI every two weeks squeezes in one extra payment a year.
- Watch prepayment penaltiesSome loans charge a fee for early payoff — always check before committing to extra payments.
- Refinance when rates drop ≥ 1%Usually worth it if you plan to keep the loan for several more years and closing costs are reasonable.
Frequently Asked Questions
EMI is calculated using the formula: EMI = P × r × (1+r)^n ÷ ((1+r)^n − 1), where P is the loan principal, r is the monthly interest rate (annual rate divided by 12), and n is the total number of monthly payments. This produces a fixed payment amount for the entire loan term.
Interest is charged on the outstanding balance. At the start, the balance is highest, so the interest portion is largest. As you pay down the principal each month, the outstanding balance drops, reducing the interest charged, and more of your fixed EMI goes toward principal.
Extra payments reduce your outstanding principal faster, which decreases the total interest charged and can shorten your loan term significantly. Even a small extra monthly payment can save thousands in interest over the life of the loan.
The interest rate is the base cost of borrowing. APR (Annual Percentage Rate) includes the interest rate plus other costs like origination fees and closing costs. This calculator uses the interest rate. For a complete cost comparison between lenders, compare APRs.
Yes. The EMI formula is the same for any fixed-rate amortizing loan - mortgages, car loans, personal loans, student loans, and business loans. Just enter the relevant amount, rate, and term.
Enter the loan amount, annual interest rate, and loan term. The calculator shows the exact monthly payment (EMI), total interest paid over the loan, and a month-by-month amortization schedule. Adjust the sliders to compare scenarios instantly.
Total interest = (Monthly EMI × Number of payments) − Principal. The calculator displays this prominently. On a $25,000 car loan at 7% for 5 years, you'd pay about $4,702 in interest; extending to 7 years raises it to about $6,688.
Expand the Extra Payments section and enter a monthly or one-time extra. The calculator shows interest saved and months cut from your term. An extra $100/month on a $300,000 mortgage at 6% can save over $70,000 in interest and finish the loan 4+ years earlier.
A shorter term has higher monthly payments but far less total interest; a longer term has lower monthly payments but much higher lifetime interest. Use the calculator to compare. Shorter terms build equity faster and are usually cheaper overall, as long as the monthly payment fits your budget.
An amortization schedule shows every payment broken into principal and interest, plus the outstanding balance after each month. It reveals when your payments cross over from being mostly interest to mostly principal — useful for deciding when to refinance or make extra payments.
Yes. The EMI formula is a mathematical identity that works for any fixed-rate amortizing loan regardless of country — US mortgages and auto loans, UK personal loans, EU consumer credit, and Indian home or car EMIs. Enter the nominal annual rate your lender quotes.
Yes. All calculations run in your browser — no signup, no account, no data sent anywhere. Your loan details never leave your device.
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