Where do I enter my self-employment business expenses, like home office, vehicle mileage, and supplies?
by TurboTax • 
Updated December 19, 2025 6:37 AM
Here's how to enter your home office, vehicle mileage, supplies, and other common business expenses in TurboTax:
Open or continue your return.
Navigate to the Schedule C section:
TurboTax Online/Mobile: Go to Schedule C.
TurboTax Desktop: Search for Schedule C and select the Jump to link.
Answer Yes to Did you have any self-employment income or expenses? and answer the questions until you get the Select any expense categories you have screen.
Select your expenses, then Continue.
If you've already worked in this section, select Edit or Review next to your business.
Then select Start or Edit next to an expense type that you had.
Enter your expense description and amount, and follow the onscreen instructions.
