Personal loan interest is almost never tax deductible
The short answer: you cannot deduct interest on a personal loan on your federal tax return. The IRS treats personal loans as consumer debt, not business or investment debt. Interest paid on money borrowed for personal use — to pay bills, buy a car, cover medical costs, or consolidate other debts — is not deductible under current tax law.
The only exception is if you use the loan money for a specific purpose that the IRS does allow you to deduct. For example, if you take out a personal loan and use part of it to pay student loan interest, you can deduct that portion of the student loan interest (up to $2,500 per year). But the personal loan interest itself remains non-deductible.
This rule applies whether you borrow from a bank, credit union, online lender, or a friend. It does not matter what interest rate you pay or how long the loan term is. The deductibility depends on what you use the money for, not where it came from.
Key Takeaways
- Personal loan interest is not deductible on your federal tax return because the IRS classifies personal loans as consumer debt.
- You can only deduct interest on money borrowed for specific purposes: student loans, mortgage interest, investment loans, or business loans.
- If you use a personal loan to pay off student loans, you can deduct the student loan interest portion, but not the personal loan interest itself.
- Keeping records of what you spent the loan money on matters if the IRS ever asks, even though most personal loan interest will not be deductible.
What types of loan interest are deductible
Mortgage interest is deductible if you itemize deductions on your tax return and the loan is secured by your home (a first or second mortgage, or a home equity line of credit). You can deduct interest on up to $750,000 of mortgage debt if you are married filing jointly, or $375,000 if you are single or married filing separately. Your lender will send you a Form 1098 each January showing how much interest you paid.
Student loan interest is partially deductible even if you do not itemize. You can deduct up to $2,500 per year in student loan interest, regardless of whether the loan is federal or private. This deduction phases out at higher income levels. Your loan servicer will send you a Form 1098-E showing the interest paid.
Investment loan interest is deductible if you borrowed money specifically to buy stocks, bonds, or other investments. You can deduct this interest as a miscellaneous itemized deduction, but only to the extent of your net investment income for the year. This category is rarely used because the rules are strict and the deduction is often limited.
Business loan interest is deductible if you are self-employed or own a business and borrowed money for business purposes. You report this deduction on Schedule C (for sole proprietors) or on your business tax return. The loan must be directly tied to generating business income.
Why personal loans are treated differently
The IRS distinguishes between loans based on their purpose, not their source. A loan is considered "personal" when the money goes toward consumption — paying living expenses, buying personal items, or consolidating other consumer debts. Because the money is not generating income or building a business asset, the IRS does not allow you to deduct the cost of borrowing it.
This rule has been in place since 1986, when the Tax Reform Act eliminated the deduction for consumer interest. Before that year, you could deduct interest on credit cards, car loans, and personal loans. The change was meant to discourage consumer debt and simplify the tax code.
The reasoning is straightforward: if you borrow money to buy groceries or pay rent, that spending does not produce taxable income. The IRS only allows deductions for expenses that either generate income (like business expenses) or build long-term assets (like mortgage interest on a home). Personal consumption does not fit either category.
What happens if you use a personal loan for multiple purposes
If you take out a personal loan and use the money for different things, the deductibility of the interest depends on how you allocate the funds. For example, if you borrow $10,000 and use $6,000 to pay off a credit card and $4,000 to pay student loan interest, you cannot deduct any of the personal loan interest. However, you can still deduct the $4,000 in student loan interest separately (if you have not already deducted it).
The IRS does not require you to track this allocation on your tax return, but you should keep records showing what you did with the loan proceeds. If you are audited and cannot explain how you spent the money, the IRS may disallow any deductions you claimed related to that loan.
If you intentionally use a personal loan to pay off a student loan so you can claim the personal loan interest as a deduction, that strategy will not work. The IRS looks at the original purpose of the borrowed funds, not the sequence of payments you make.
Personal loans versus lines of credit and home equity loans
A personal loan is unsecured debt — the lender has no claim on your assets if you do not pay. Interest on unsecured personal loans is never deductible.
A home equity line of credit (HELOC) or home equity loan is secured by your home. Interest on these loans may be deductible if you use the money to buy, build, or substantially improve your home. If you use a HELOC to pay off credit cards or cover personal expenses, the interest is not deductible. The deduction depends on the purpose of the borrowed funds, not the type of loan.
A margin loan from a brokerage account is used to buy investments. Interest on margin loans is deductible as investment interest, but only up to your net investment income for the year. This is a narrow exception that applies only to investors who borrow to purchase securities.
How to report non-deductible interest on your taxes
You do not report personal loan interest anywhere on your tax return. You simply do not claim it as a deduction. There is no line item for non-deductible interest, and you do not need to list the loan or explain why you are not deducting it.
If you paid interest on a personal loan during the year, your lender may send you a Form 1098 or other statement showing the amount. You can disregard this for tax purposes — it is informational only. Some lenders send these statements out of habit, even though the interest is not deductible.
If you paid interest on a loan that is partially deductible (like a home equity loan used for home improvements), you report only the deductible portion. Keep records showing how you used the loan proceeds so you can justify the allocation if the IRS asks.
Frequently Asked Questions
Can I deduct personal loan interest if I use the money to pay taxes or medical bills?
No. Interest on personal loans is not deductible regardless of what you spend the money on. Medical expenses themselves may be deductible if they exceed a certain threshold, but the interest you paid to borrow the money is not. The same applies to taxes — you cannot deduct interest on a loan used to pay your tax bill.
What if I took out a personal loan before 1986 when interest was still deductible?
If you still have an outstanding balance on a personal loan from before 1986, the interest is still not deductible. The law changed in 1986 and applies to all personal loans going forward, regardless of when they were taken out. Only loans taken out before 1986 and paid off by the end of 1990 had a phase-out period for the deduction.
Is the interest on a personal loan deductible if I use it to start a business?
If you use a personal loan to fund a business, the interest may be deductible as a business expense. However, you must be able to show that the loan was directly tied to starting or operating the business. You would report this deduction on Schedule C or your business tax return, not as personal loan interest. Keep detailed records of how you used the funds.
Can I deduct personal loan interest if I itemize deductions?
No. Itemizing deductions does not make personal loan interest deductible. Itemizing simply means you add up all your may be able to access deductions (mortgage interest, charitable donations, state taxes, etc.) instead of taking the standard deduction. Personal loan interest is not an may be able to access deduction under any circumstance, whether you itemize or take the standard deduction.
What if my personal loan has a very high interest rate — can I deduct it then?
No. The deductibility of loan interest does not depend on the interest rate. It depends only on the purpose of the loan. A personal loan with a 25% interest rate is treated the same way as one with a 5% interest rate — neither is deductible.