Loan Payoff Calculator
Calculate how long it takes to pay off any loan, see total interest, and discover how extra payments accelerate your debt freedom.
Loan Details
How much do you owe?
Annual interest rate (APR)
Your current monthly payment
Extra Payments (Optional)
Additional amount to pay each month
Extra payment applied now (bonus, tax refund, etc.)
Payoff Summary
Payoff Date
March 2031
Time to Payoff
5.0 years (60 months)
Total Interest Paid
$2,787
Total Amount Paid
$17,787
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How to Use the Loan Payoff Calculator
Our loan payoff calculator helps you understand exactly when you'll be debt-free and how much interest you'll pay over the life of your loan. Whether you have a personal loan, student loan, or any other type of debt, this calculator shows you the path to financial freedom.
Start by entering your current loan balance, interest rate, and either your monthly payment or desired payoff timeline. The calculator instantly shows your payoff date, total interest paid, and creates a detailed payment breakdown. This works for any type of loan — personal loans, student loans, medical debt, or even credit card balances if you commit to not adding more charges.
The real power comes from modeling extra payments. Enter an additional monthly amount or a one-time lump sum to see the dramatic impact on your payoff timeline and interest savings. For example, adding just $100 per month to a $15,000 loan at 7% can save you over $1,000 in interest and help you pay it off 18 months early.
Pro tip: Use the comparison feature to see side-by-side results with and without extra payments. The visual charts show exactly how much time and money you save. You can also experiment with different extra payment amounts to find what fits your budget while still making meaningful progress.
Strategies to Pay Off Loans Faster
1. The Power of Consistency: Even small, regular extra payments compound dramatically over time. Paying an extra $50/month beats making random $200 payments twice a year. Set up automatic payments to remove willpower from the equation — out of sight, out of mind, into principal reduction.
2. Windfalls and Bonuses: Apply unexpected money directly to loan principal. Tax refunds, work bonuses, birthday gifts, or cash from selling items can knock months off your timeline. Before spending windfalls on wants, calculate the long-term interest savings — seeing $500 turn into $800 of interest savings often motivates the right choice.
3. Biweekly Payment Hack: If your employer pays biweekly, split your monthly payment in half and pay every two weeks. You'll make 13 full payments per year (26 half payments) instead of 12, and many people don't feel the difference. Confirm your lender processes biweekly payments correctly and doesn't charge fees.
4. Round Up Payments: If your minimum payment is $347, pay $400. If it's $523, pay $600. Rounding up to the nearest $50 or $100 creates automatic extra payments without complex planning. Over years, these round-ups eliminate months of payments and significant interest.
5. Refinance When It Makes Sense: If interest rates have dropped or your credit has improved, refinancing might lower your rate. But watch out — extending your term to lower payments means more total interest. Refinance to a lower rate but keep or shorten your term, then maintain or increase your payment amount to maximize savings.
Frequently Asked Questions
How do extra payments affect my loan payoff?
Extra payments reduce your principal balance faster, which means less interest accrues over time. Even small extra payments can shave months or years off your loan and save thousands in interest. For example, paying an extra $100/month on a $20,000 loan at 6% can save you $1,500+ in interest and cut 2+ years off your payoff time.
Should I make extra payments on my loan or invest?
If your loan interest rate is above 6-7%, paying it off early usually beats investing because you're guaranteed that return. Below 4%, investing in the stock market (historically 10% returns) may yield more. Between 4-6%, it depends on your risk tolerance, other debts, and whether you have an emergency fund. Always prioritize high-interest debt first.
Does paying extra go toward principal or interest?
Extra payments beyond your minimum payment go entirely toward principal, which is why they're so effective. Your regular payment covers interest first, then principal. By specifying that extra payments are for principal, you reduce the balance that future interest is calculated on. Always confirm with your lender that extra payments are applied to principal, not future payments.
How much can I save by making biweekly payments?
Biweekly payments (half your monthly payment every 2 weeks) result in 13 full payments per year instead of 12, because there are 26 biweekly periods. This extra payment per year can cut your loan term by 2-4 years and save 15-20% on interest for a 30-year mortgage. However, confirm your lender accepts biweekly payments without fees.
What happens if I skip a month or pay less?
Missing or reducing a payment usually triggers late fees, may hurt your credit score, and extends your payoff timeline because interest continues accruing on the full balance. If you're struggling, contact your lender immediately — many offer hardship programs, forbearance, or modified payment plans. Never skip payments without communication, as it can lead to default.
Can I change my extra payment amount over time?
Yes! Extra payments are optional. You can adjust them based on your financial situation. Our calculator lets you model consistent extra payments, one-time lump sums, or both. Start small if needed — even $25/month extra makes a difference. Increase extra payments when you get raises, bonuses, or pay off other debts.