Personal Loan Calculator
Calculate personal loan payments, total interest, and APR including origination fees. Compare loan offers and see your total cost of borrowing.
How This Calculator Works
Calculation methodology and assumptions
Personal loan payments use standard amortization: PMT = P × [r(1+r)^n] / [(1+r)^n - 1]. The true APR calculation includes the origination fee, which is typically 1-8% and deducted from the loan proceeds. A $15,000 loan with a 3% fee means you receive $14,550 but repay $15,000 plus interest.
How to Use This Debt Payoff Calculator
- 1
Enter your debt details
Input your current balance, interest rate (APR), and minimum payment amount. For credit cards, the APR is on your monthly statement.
- 2
Set an extra payment amount
Enter any additional amount you can pay monthly beyond the minimum. Even $50-$100 extra dramatically accelerates payoff and reduces total interest.
- 3
Review your payoff timeline
See how long it takes to become debt-free and how much total interest you'll pay. Compare scenarios with different extra payment amounts.
Example Calculation
How much does paying extra save on a typical credit card balance?
You have a $8,000 credit card balance at 22% APR with a $200 minimum payment. At just the minimum, it takes 6+ years to pay off and costs $5,800+ in interest. Adding just $100 extra per month ($300 total) cuts the payoff time to 2.5 years and saves $3,400 in interest.
Result: That extra $100/month saves $3,400 in interest — a 34x return. Accelerating debt payoff is one of the highest guaranteed returns available in personal finance. The higher your APR, the more valuable extra payments become.
What Affects Your Results
Interest Rate (APR)
The single biggest factor in debt cost. At 22% APR, a $5,000 balance generates $1,100/year in interest. At 15%, it's $750. Reducing your rate (via negotiation, balance transfer, or consolidation) saves money immediately.
Monthly Payment Amount
Higher payments accelerate payoff exponentially because more goes to principal each month, reducing the base that generates interest. Even $50 extra makes a measurable difference.
Balance Size
Larger balances generate more interest in absolute terms. Focus extra payments on the highest APR balance first, regardless of size, for maximum savings.
Payment Consistency
Missing even one payment triggers late fees ($25-$40), penalty APR rates (up to 29.99%), and credit score damage. Set up autopay for at least the minimum.
Tips for Personal Loan Residents
- Pay more than the minimum. Making minimum payments on high-APR debt means 70%+ of each payment goes to interest, not principal. Double the minimum to cut payoff time in half or more.
- Use the avalanche method (highest APR first) to minimize total interest paid, or the snowball method (smallest balance first) for psychological momentum. Both work — the avalanche saves more money.
- Consider a 0% APR balance transfer if you have good credit. 15-21 months at 0% lets you direct every dollar to principal. Factor in the 3-5% transfer fee.
- Don't close paid-off credit cards immediately. The available credit helps your utilization ratio (a key credit score factor). Use them occasionally for small purchases and pay in full.
- If debt feels overwhelming, contact a nonprofit credit counseling agency (look for NFCC members). They can negotiate lower rates and create a debt management plan at no or low cost.
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StateCalc Team
Editorial Team
The StateCalc team builds free financial calculators using data from official government sources including the IRS, U.S. Census Bureau, BLS, and state revenue departments. All formulas are validated by an automated test suite and cross-referenced against published data.
Our editorial standardsFrequently Asked Questions
What is a good personal loan rate?
Personal loan rates range from 6-36% APR depending on credit score. Excellent credit (750+): 6-10%. Good credit (670-749): 10-15%. Fair credit (580-669): 15-24%. Poor credit (below 580): 24-36%.
What is an origination fee?
An origination fee is a one-time charge (typically 1-8%) deducted from your loan proceeds before disbursement. On a $10,000 loan with a 3% fee, you receive $9,700 but still owe $10,000. This increases your effective APR.
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