Is Business Credit Card Interest Tax Deductible?
Unlike personal credit card interest, business interest can be deducted, but only the part that's actually tied to your business. Here's where the line actually falls.
Short answer: yes, generally. Interest on a credit card charge is deductible as a business expense when the underlying purchase was ordinary and necessary for your business, per IRS Topic 505. The deciding factor is what the charge was for, not whether the card itself is labeled a business card or a personal one.
What actually qualifies
Three things need to be true for a charge's interest to be deductible:
- Used exclusively for business. The specific purchase has to be a genuine business expense, not personal spending run through a business card.
- Ordinary and necessary. The IRS standard for any deductible business expense, common and helpful for your trade or business.
- Properly documented. Records showing the payee, amount, date, and business purpose. A statement alone often isn't enough detail on its own.
This applies the same way whether you're a sole proprietor, freelancer, LLC, partnership, or corporation. A personal card used strictly for business purchases can qualify the same as a card labeled "business," and a business card used for personal spending doesn't get a pass just because of the card it's on.
The limitation larger businesses should know about
Section 163(j) of the tax code can cap how much business interest expense a company can deduct in a given year, generally tied to a percentage of adjusted taxable income. The detail most small businesses actually need: businesses with average annual gross receipts of $25 million or less over the prior three years (a 2026 figure, adjusted for inflation each year) are exempt from this limitation entirely. Real estate and farming businesses can also elect out, though doing so requires using the alternative depreciation system for certain property. If your business is near that revenue threshold, this is worth a conversation with a tax professional rather than something to assume either way.
Keeping the records that actually hold up
Separating business and personal spending onto different cards makes this dramatically easier to prove later, even though it isn't strictly required. If you do mix expenses on one card, keep a running note of which charges were business-related and why, rather than trying to reconstruct it at tax time. See how business cards differ from personal cards for the other ways the two diverge, not just tax treatment, since business cards also lose several CARD Act protections that personal cards keep.
Frequently asked questions
Is business credit card interest always deductible?
Only the portion tied to legitimate, ordinary and necessary business expenses. Interest on personal charges, even on a business-labeled card, does not qualify.
Do I need an actual business credit card to deduct the interest?
No. The IRS looks at what the purchase was for, not what the card is called. A personal card used strictly for business expenses can qualify the same way a business card does.
What records do I need to keep?
Documentation showing the payee, amount, date, and business purpose for each charge. Keeping business and personal spending on separate cards makes this far easier to demonstrate later.
Does my business have to worry about the Section 163(j) interest limitation?
Probably not, if your average annual gross receipts are $25 million or less over the prior three years, you're exempt from that limitation entirely. This threshold adjusts for inflation each year.
Disclaimer. This guide is for educational purposes only and isn't financial advice. Terms vary by card and issuer, so check your cardholder agreement, and consider a qualified financial advisor or a nonprofit credit counselor for help with debt.
Sources: Ramp, Brex, and TurboTax (IRS Topic 505 and the Section 163(j) small-business exemption). This is general information, not tax advice, consult a CPA or tax professional about your specific situation.
About the author
Credit Interest Calculator is part of Ready Utilities, founded by Cedrick Reese, a retired veteran and web developer who enjoys building free, user-friendly online tools that simplify everyday tasks. His journey began in the early 2000s with affiliate marketing and niche site development, which grew into a passion for creating practical digital utilities and calculators.
After retiring, he earned a Computer Systems Technician certificate from UEI College, completed Electro-Mechanical Technologies at Tulsa Welding School, and finished the Carpentry program at Florida State College at Jacksonville. Today he combines his technical background and craftsmanship by building furniture using traditional woodworking methods, gardening, and developing helpful online tools for users worldwide.