How to Use This Personal Loan Calculator
Using our personal loan calculator is simple and straightforward. Follow these three easy steps to instantly calculate your monthly payment and total loan cost:
- Enter the loan amount: Input the total principal you wish to borrow, ranging from $100 to $10,000,000.
- Set the annual interest rate: Enter your loan's APR (Annual Percentage Rate). This rate will vary based on your creditworthiness and the lender you choose.
- Choose your loan term: Select whether you want to express your loan term in months or years. Our calculator will instantly compute your monthly payment, total amount paid, total interest, and full amortization schedule.
The calculator displays results instantly as you type, with no signup required. You can also view your complete amortization schedule showing each monthly payment breakdown, including principal and interest portions, plus your remaining balance after each payment.
How Personal Loan Interest Works
Personal loans typically use a straightforward interest calculation method called amortization. Here's how it works: each month, your payment is calculated to pay down both the interest accrued since your last payment and a portion of the principal. Early in the loan term, most of your payment goes toward interest, but as time progresses, an increasing portion goes toward reducing the principal balance.
The formula used is: M = P × [r(1+r)^n] / [(1+r)^n - 1], where M is your monthly payment, P is the principal, r is your monthly interest rate, and n is the number of months. This ensures your payment remains fixed throughout the loan term, making budgeting predictable and manageable.
Unlike credit cards (where interest accrues daily on remaining balances), personal loans have fixed payments and a defined end date. This makes them ideal for consolidating debt, funding major purchases, or covering unexpected expenses without the uncertainty of variable interest rates.
What Is a Good Personal Loan Rate? (2026 Rates)
Personal loan interest rates vary significantly based on your credit score, income, employment history, and the lender you choose. As of April 2026, here's what borrowers can typically expect:
- Excellent credit (750+): 6.5% – 10.5% APR
- Good credit (700-749): 9% – 15% APR
- Fair credit (650-699): 14% – 22% APR
- Poor credit (below 650): 22% – 36%+ APR
If you have excellent credit and a stable income, you may qualify for rates under 10%. A difference of just 1-2% on a $10,000 loan can save you hundreds of dollars in interest over a 3-year period. This is why shopping around with multiple lenders and understanding your credit score is crucial before applying.