Personal Loan Calculator

Lenders price personal loans primarily based on creditworthiness.

• Excellent credit (750+): 6-10% APR.
• Good credit (670-749): 10-16%.
• Fair credit (580-669): 16-24%.
• Poor credit (300-579): 24-36% or decline.

Debt-to-income ratio (monthly debt payments / gross income) also matters — most lenders cap DTI at 40-50%. Loan amount and term affect rates marginally, with shorter terms often carrying slightly lower rates.

Online lenders (SoFi, LendingClub, Prosper) typically offer lower rates than traditional banks for well-qualified borrowers due to lower overhead costs.

Credit unions often provide the most competitive rates (sometimes 2-3% below banks) but may have smaller loan limits and membership requirements.

• Personal loans vs credit cards: personal loans offer lower fixed rates (6-20% vs 20-29% credit card APR), fixed payoff dates, and structured payments that ensure debt elimination. Credit cards offer flexibility and rewards but minimum payments trap many borrowers in long-term debt.
• Personal loans vs HELOCs: home equity lines offer lower rates (7-9% currently) but require home equity and put your house at risk as collateral.
• Personal loans vs 401(k) loans: 401(k) loans have no credit check and competitive rates, but reduce retirement savings growth and must be repaid within 60 days if you leave your job.

For debt consolidation specifically, personal loans make sense when the blended rate is lower than existing debts and you commit to not accumulating new credit card balances.

Loan term dramatically affects both monthly payment and total interest. On a $20,000 loan at 10%:

• 3-year term costs $645/month with $3,227 total interest.
• 5-year term costs $425/month with $5,496 total interest (70% more interest).
• 7-year term costs $332/month with $7,883 total interest (144% more interest).

The shorter term saves $4,656 in interest but requires $313 more per month. The optimal term balances affordable payments with reasonable total cost — choose the shortest term where the payment fits comfortably in your budget (ideally below 10% of gross monthly income).

Prepayment without penalty is available on most personal loans — making even $50-100 extra per month on a 5-year term can save $800-1,500 in interest and pay off the loan 6-12 months early.

A personal loan uses the fixed-installment amortization formula: M = P × r(1+r)ⁿ / ((1+r)ⁿ − 1), with r the monthly rate and n the number of months.

Borrowing $15,000 at a 10% APR over 36 months gives a monthly payment of about $484.01 and roughly $2,424 in total interest.

Any origination fee is deducted from the amount you actually receive (or added to the balance), which is why APR — not the interest rate alone — reflects the real cost.

Personal loan rates are tiered by credit score. The Consumer Financial Protection Bureau notes that the strongest rates go to borrowers with good-to-excellent credit, while lower scores face much higher APRs or denial.

Lenders also weigh income and debt-to-income ratio.

Because rates vary so widely by profile, prequalifying with several lenders (a soft credit check) is the best way to see your real offers before formally applying.

Many personal loans charge an origination fee, typically a percentage of the loan deducted upfront, so a $15,000 loan with a 5% fee nets you $14,250 while you still repay $15,000 plus interest.

This is why APR, which folds the fee into the cost, is the honest comparison metric, not the headline interest rate.

When comparing offers, always line them up by APR and confirm whether the fee is deducted from proceeds or added to the balance.

Most personal loans are unsecured — backed only by your creditworthiness — which is why they carry higher rates than secured debt like mortgages or auto loans.

Secured personal loans, backed by collateral such as a savings account or vehicle, offer lower rates but put the asset at risk if you default.

Unsecured is simpler and safer for the borrower; secured can unlock a better rate for those with limited credit.

A common use of personal loans is consolidating high-interest credit card debt into a single fixed-rate installment loan.

If the loan's APR is meaningfully below your cards' rates, you save on interest and get a clear payoff date — running the balances through a debt payoff calculator first shows whether consolidation actually beats grinding the cards down on their own.

The risk, as the CFPB warns, is running the cards back up after consolidating — turning one debt into two. Consolidation works only if paired with a change in spending habits.

A longer term lowers the monthly payment but increases total interest. The same $15,000 loan at 10% costs about $484.01/month over 36 months (~$2,424 interest) versus about $318.71/month over 60 months (~$4,122 interest).

Extending the term nearly doubles the interest here.

Choose the shortest term whose payment you can comfortably afford to minimize the total you repay.

Most personal loans allow extra payments or early payoff, and because interest accrues on the balance, paying ahead cuts total interest and shortens the term.

Confirm the loan has no prepayment penalty first — reputable lenders rarely charge one, but always check the agreement.

Applying even a small extra amount each month to principal can save meaningfully over the life of the loan.

Frequent mistakes are:

• comparing loans by interest rate instead of APR
• overlooking the origination fee
• borrowing more than needed because the payment 'fits,'
• stretching the term and overpaying interest
• consolidating debt without curbing spending.

Borrowers also skip prequalification and accept the first offer.

Prequalify with several lenders, compare on APR, keep the term short, and borrow only what you truly need.