Disclosure: Multiple Sources is a personal finance comparison service. We are not a lender. Affiliate disclosures here.

Personal Loan Calculator

See exactly how much you'll pay each month, in total interest, and over the life of your loan.

March 31, 2026

Interactive Calculator

Loan Amount $10,000
Interest Rate (APR %) 6.50%
Loan Term (Months) 60 mo
Monthly Payment
$187.20
Total Interest Paid
$2,232
Total Cost
$12,232

Understanding Your Loan Calculation

A personal loan calculation depends on three key variables: the amount you borrow, the interest rate (APR), and how long you have to repay it. This calculator shows you exactly what your monthly payment will be and how much interest you'll pay over the life of the loan.

How Monthly Payment Is Calculated

Your monthly payment is calculated using a standard amortization formula. Early payments go more toward interest, while later payments pay down more principal. The formula ensures you pay off the entire loan by the end of your term.

Most personal loans range from 3 to 7 years (36 to 84 months), with interest rates between 6% and 36% depending on your credit score and the lender. The better your credit, the lower your rate will be.

Total Interest vs. Monthly Payment

Notice how extending the term lowers your monthly payment but increases total interest paid. A 5-year loan might cost $2,000 in interest, while a 7-year loan costs $3,500. The tradeoff is real—longer terms are easier on monthly cash flow but more expensive overall.

How to Use This Calculator

Adjust the three sliders or enter values directly to see how changes affect your payment. Most people focus on the monthly payment first, but don't ignore the total interest column—that's real money. If you can afford a higher monthly payment, you'll save thousands by shortening the term.

Next Steps

Once you know what monthly payment works for your budget, visit our loan comparison page to see actual rates from multiple lenders. Your actual rate will depend on your credit score, income, and employment history, so getting personalized quotes is crucial.

Common Questions

What's the difference between APR and interest rate? +
APR (Annual Percentage Rate) includes both the interest rate and any fees the lender charges, expressed as an annual percentage. The interest rate alone doesn't include fees. When comparing loans, APR is more accurate because it shows the true cost.
Can I pay off my loan early? +
Most personal loans allow you to pay off your balance early without penalty. Paying extra toward principal will reduce your total interest paid and shorten the loan term. Always check your loan agreement for early repayment policies.
What credit score do I need? +
Credit requirements vary by lender. Most personal loan lenders require a minimum credit score of 600-650, though better rates go to those with scores above 700. If your score is lower, some lenders specialize in bad credit loans with higher rates.
How long does it take to get a personal loan? +
Many online lenders fund loans within 1-3 business days after approval. Traditional banks typically take 5-7 business days. Some lenders offer same-day decisions but may take a business day to fund the loan.
Do personal loans affect my credit score? +
Getting a personal loan involves a hard inquiry, which temporarily lowers your score by 5-10 points. However, having an installment loan actually helps your credit mix, and making on-time payments builds positive history. The long-term benefit usually outweighs the initial dip.