Personal Loan Calculator
Calculate monthly payments, total interest, and compare different loan terms for personal loans. See how loan amount, APR, and term length affect your payment.
Loan Details
Enter the annual percentage rate (APR) from your lender
Results
Monthly Payment
$487.54
Total Interest Paid
$2,551.32
Total Amount Paid
$17,551.32
Number of Payments
36 months
Compare Loan Terms
Shorter terms have higher monthly payments but lower total interest. Longer terms have lower monthly payments but higher total interest.
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How to Use the Personal Loan Calculator
Our personal loan calculator helps you estimate your monthly loan payment and total interest costs. Enter your desired loan amount, annual percentage rate (APR), and loan term in years. The calculator instantly shows your monthly payment, total amount paid over the life of the loan, and total interest charges.
Personal loans are unsecured loans that can be used for debt consolidation, home improvements, major purchases, or unexpected expenses. Unlike mortgages or auto loans, personal loans don't require collateral, which means they typically have higher interest rates. Understanding your monthly payment before applying helps you determine if the loan fits your budget and compare offers from different lenders.
The calculator uses the standard amortization formula to compute equal monthly payments over the loan term. Each payment includes both principal (the amount borrowed) and interest. Early in the loan, most of your payment goes toward interest. As you pay down the principal, more of each payment goes toward the principal balance. This is why paying extra toward principal early in the loan saves the most money on interest.
Personal Loan Payment Formula
Personal loan payments are calculated using the amortization formula: M = P × [r(1+r)^n] / [(1+r)^n - 1], where M is the monthly payment, P is the principal (loan amount), r is the monthly interest rate (annual rate divided by 12), and n is the total number of payments (years × 12 months).
For example, a $10,000 loan at 12% APR for 3 years has a monthly interest rate of 1% (12% ÷ 12). The formula calculates a monthly payment of approximately $332. Over 36 months, you'll pay $11,952 total — the original $10,000 plus $1,952 in interest. Choosing a 5-year term instead would lower the monthly payment to about $222, but total interest would increase to $3,346.
Frequently Asked Questions
How is a personal loan payment calculated?
Personal loan payments are calculated using the loan amount (principal), interest rate (APR), and loan term. The formula uses compound interest to ensure equal monthly payments over the life of the loan. Each payment includes both principal and interest, with more interest paid early on and more principal paid toward the end. This is called amortization. Our calculator uses the standard amortization formula to determine your exact monthly payment.
What is a good interest rate for a personal loan?
Personal loan interest rates typically range from 6% to 36% depending on your credit score, income, and debt-to-income ratio. Borrowers with excellent credit (740+) can often qualify for rates below 10%, while those with fair credit (640-699) might see rates of 15-20%. Rates above 25% are generally considered high. Compare offers from multiple lenders — banks, credit unions, and online lenders — to find the best rate. A 5% difference on a $10,000 loan can save you hundreds or thousands of dollars over the loan term.
Should I choose a shorter or longer loan term?
Shorter loan terms (2-3 years) have higher monthly payments but lower total interest costs. Longer terms (5-7 years) have lower monthly payments but you'll pay more interest overall. Choose based on your budget and goals: if you can afford higher payments, a shorter term saves money. If you need lower monthly payments to fit your budget, a longer term provides flexibility. Use our calculator to compare different term lengths side-by-side and see the trade-offs.
What is the difference between APR and interest rate?
The interest rate is the percentage charged on the loan principal. APR (Annual Percentage Rate) includes the interest rate plus any fees, such as origination fees, closing costs, or processing fees. APR gives you the true cost of borrowing. For example, a loan might have a 10% interest rate but an 11% APR if it includes a 1% origination fee. Always compare APRs, not just interest rates, when shopping for loans.
Can I pay off my personal loan early?
Most personal loans allow early payoff, but some lenders charge prepayment penalties. Check your loan agreement for details. Paying off a loan early saves you interest, since you'll pay less over a shorter period. Even making small extra payments toward principal can significantly reduce your total interest and shorten your loan term. Our calculator can help you see how extra payments accelerate payoff and save money.
How much can I afford to borrow with a personal loan?
Lenders typically want your monthly debt payments (including the new loan) to be less than 36-43% of your gross monthly income. For example, if you earn $5,000/month, your total debt payments should be under $1,800-$2,150. Use our calculator to experiment with different loan amounts and terms to find a monthly payment that fits comfortably in your budget. Remember to account for existing debts like credit cards, car loans, and student loans.