Home / Finance / Personal Loan Calculator

Personal Loan Calculator

Calculate monthly payments and total cost of your personal loan.

Loan Details

$0
/month
Monthly Payment
$0
Total Paid
$0
Total Interest
0
Total Payments

💡 The Truth About Personal Loans (What Your Bank Won't Tell You)

Personal loans sound straightforward: "Borrow $10,000, pay it back over 3 years, simple!" But here's what the glossy brochures and "Pre-Approved!" emails don't mention: The interest rate in the ad is NOT the rate you'll get. That "5.99% APR*" headline? The asterisk means "for the top 10% of applicants with 780+ credit scores." Everyone else gets 12-25%.

The Real Cost: On a $10,000 loan at 15% over 3 years, you'll pay $347/month and $2,484 in interest. That's nearly $12,500 total for a $10k loan. If your credit score is 650 instead of 750, you might pay an extra $1,000-$2,000 over the life of the loan.

🎯 Expert Tip: The $100 Question

Before taking any personal loan, ask yourself: "If I put an extra $100 toward this loan every month, how much interest would I save?" The answer is usually shocking. On that $10k/3yr/15% loan, adding just $100/month cuts your payoff time from 36 months to 27 months and saves you $637 in interest. Most people can find $100/month by cutting subscriptions they forgot about.

— David Chen, CFA | "I've seen clients pay thousands in unnecessary interest because they thought the minimum payment was the only option. It's not."

⚠️ Common Mistakes (Avoid These)

  1. Ignoring the Origination Fee: "Borrow $10,000 at 8% APR!" sounds great until you see the 5% origination fee. You only get $9,500 in your account, but you owe $10,000+interest. That's effectively 9.3% APR, not 8%.
  2. Not Shopping Around: Your bank offers 12% APR. You assume that's the best you can get. Wrong. Credit unions often offer 2-4% lower rates to members. One phone call could save you $500-$1,500 over the life of the loan.
  3. Borrowing More Than You Need: "They approved me for $15k!" Great. Do you NEED $15k, or do you need $10k? Every extra dollar you borrow costs you interest. Borrow the minimum necessary.
  4. Confusing Interest Rate with APR: Interest rate = cost of borrowing. APR = interest rate + fees. A loan with 8% interest rate but 5% origination fee might have 9.3% APR. Always compare APRs, not interest rates.

📊 Real-World Example: The $10k Loan Showdown

Scenario: You need $10,000 for home repairs. You have three options:

Option 1: Bank Personal Loan (12% APR, 3 years) → $333/month → Total paid: $11,980 (interest: $1,980)

Option 2: Credit Union Personal Loan (8% APR, 3 years) → $313/month → Total paid: $11,269 (interest: $1,269)

Option 3: Credit Card (20% APR, minimum payments) → Estimated 7+ years → Total paid: $17,000+ (interest: $7,000+)

Winner: Option 2 (Credit Union). Save $711 vs the bank, save $5,731 vs the credit card. Spend 30 minutes joining a credit union, save $711. That's $1,422/hour.

🧮 How Credit Score Affects Your Rate

Same $10k loan, different credit scores:

  • 760+ (Excellent): 6% APR → $304/month → Total interest: $950
  • 700-759 (Good): 10% APR → $323/month → Total interest: $1,616
  • 640-699 (Fair): 15% APR → $347/month → Total interest: $2,484
  • 580-639 (Poor): 22% APR → $386/month → Total interest: $3,904

The difference between "Excellent" and "Poor" credit: $2,954 in extra interest. That's the cost of bad credit on just one $10k loan. Fix your credit first, borrow second.

💰 Early Payoff Math

$10k loan at 12% APR, 3-year term ($333/month):

  • Pay Minimum (36 months): Total interest = $1,980
  • Add $50/month: Payoff in 31 months → Total interest = $1,652 → Save $328
  • Add $100/month: Payoff in 27 months → Total interest = $1,343 → Save $637
  • Add $200/month: Payoff in 21 months → Total interest = $1,012 → Save $968

Every extra dollar you pay goes 100% toward principal. No better investment than paying off 12% debt.

DC
Reviewed by David Chen, CFA
Chartered Financial Analyst | Last Updated: November 2025

❓ Frequently Asked Questions

What credit score do I need for a personal loan?

Most lenders require a credit score of 580+ for approval, but the rate you get depends on your score. 760+ = excellent rates (5-7%), 700-759 = good rates (7-12%), 640-699 = fair rates (12-18%), 580-639 = high rates (18-25%+). Below 580, you'll struggle to get approved by traditional lenders. Pro tip: Check your score before applying—hard inquiries drop your score 5-10 points temporarily.

Should I pay off a personal loan early?

Usually yes, but check for prepayment penalties first. Some lenders charge 2-5% of the remaining balance if you pay off early (they lose interest income). If there's no penalty, paying early saves you interest. Example: $10k loan at 10% over 3 years = $1,616 interest. Pay it off in 2 years instead = $1,061 interest. You save $555. Always ask "Is there a prepayment penalty?" before signing.

Personal loan vs credit card: Which is cheaper?

Personal loans are almost always cheaper for large purchases. Credit cards: 18-25% APR, variable rate, minimum payment trap. Personal loans: 5-15% APR (with good credit), fixed rate, forced payoff timeline. Example: Borrow $5k for 3 years. Credit card at 20% APR paying $200/mo = 32 months, $1,394 interest. Personal loan at 10% APR = $161/mo, 36 months, $806 interest. You save $588 with the loan. However, credit cards are better for short-term debt (<6 months) you can pay off during a 0% intro APR period.

What fees should I watch out for?

Origination fee (1-8% of loan amount, deducted upfront—you get less than you "borrow"), Late payment fee ($25-50 per occurrence), Prepayment penalty (2-5% of remaining balance if you pay off early), Insufficient funds fee ($30-40 if a payment bounces). The origination fee is the sneakiest: On a $10k loan with 5% origination, you only receive $9,500 but owe $10,000+interest. Always ask for the APR (includes fees) not just the interest rate.

🔗 Embed This Calculator

Add this calculator to your website or blog: