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Schedule C: What It Is, Who Has to File It

Back to libraryUnknown authorApr 1, 2026
Schedule C: What It Is, Who Has to File It

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Schedule C: What It Is, Who Has to File It

Schedule C is an IRS tax form that reports profit or loss from a business. Sole proprietors or single-member LLCs typically use the form.

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23 years of experience Expertise Taxes Small business Social Security and estate planning Home services RIA

Tina Orem is an editor and content strategist at NerdWallet. Prior to becoming an editor and content strategist, she covered small business and taxes at NerdWallet. She has a degree in finance, as well as a master's degree in journalism and an MBA. Previously, she was a financial analyst and director of finance at public and private companies. Tina's work has appeared in a variety of local and national media outlets.

Tina Orem is an editor and content strategist at NerdWallet. Prior to becoming an editor and content strategist, she covered small business and taxes at NerdWallet. She has a degree in finance, as well as a master's degree in journalism and an MBA. Previously, she was a financial analyst and director of finance at public and private companies. Tina's work has appeared in a variety of local and national media outlets.

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Chris Hutchison helped build NerdWallet's editorial operation and has directed coverage across banking, investing, taxes and insurance. He now leads a team exploring new verticals. Before joining NerdWallet, he was an editor and programmer at ESPN and an editor at the San Jose Mercury News.

Chris Hutchison helped build NerdWallet's editorial operation and has directed coverage across banking, investing, taxes and insurance. He now leads a team exploring new verticals. Before joining NerdWallet, he was an editor and programmer at ESPN and an editor at the San Jose Mercury News.

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If you freelance, have a side gig, run a small business or otherwise work for yourself, you may need to fill out IRS Schedule C at tax time. Here’s a simple explainer of what IRS Schedule C is for, who has to file one and some tips and tricks that could save money and time.

If you freelance, have a side gig, run a small business or otherwise work for yourself, you may need to fill out IRS Schedule C at tax time. Here’s a simple explainer of what IRS Schedule C is for, who has to file one and some tips and tricks that could save money and time.

What is Schedule C?

What is Schedule C?

IRS Schedule C is a tax form for reporting profit or loss from a business. You fill out Schedule C at tax time and attach it to or file it electronically with Form 1040. Schedule C is typically for people who operate sole proprietorships or single-member LLCs.

IRS Schedule C is a tax form for reporting profit or loss from a business. You fill out Schedule C at tax time and attach it to or file it electronically with Form 1040 . Schedule C is typically for people who operate sole proprietorships or single-member LLCs.

A Schedule C is not the same as a 1099 form. Although, you may need IRS Form 1099 (a 1099-NEC or 1099-K in particular) to fill out a Schedule C.

A Schedule C is not the same as a 1099 form . Although, you may need IRS Form 1099 (a 1099-NEC or 1099-K in particular) to fill out a Schedule C. AD Owe $10,000+ or More? This Tax Season Could Be Your Chance to Qualify Each year the IRS writes off millions in tax debt, yet few have applied. Learn more

on Anthem Tax Services' website

AD Let’s resolve your tax issues: Tax Relief & Resolution Services for IRS Tax Debt Certified Enrolled Agents, CPAs, and Tax Attorneys on your case. Learn more

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Who files a Schedule C form?

Who files a Schedule C form?

Schedule C is for two types of businesses: sole proprietors or single-member limited liability corporations (LLCs). Schedule C is not for C corporations or S corporations.

Schedule C is for two types of businesses: sole proprietors or single-member limited liability corporations (LLCs). Schedule C is not for C corporations or S corporations.

For tax purposes, the IRS says you’re in business if you pursue your gig continually and regularly to make money.

For tax purposes, the IRS says you’re in business if you pursue your gig continually and regularly to make money.

If your side gig involves rental income or royalties, you may need to fill out Schedule E.

If your side gig involves rental income or royalties, you may need to fill out Schedule E .

If your side gig is farming, you may need to fill out Schedule F.

If your side gig is farming, you may need to fill out Schedule F.

Sole proprietorships are unincorporated businesses that are owned and run by one person who is entitled to all of the profits and is responsible for all of the losses and liabilities. People who freelance, have a side gig, are independent contractors or operate a business by themselves often choose them.

Sole proprietorships Sole proprietorships are unincorporated businesses that are owned and run by one person who is entitled to all of the profits and is responsible for all of the losses and liabilities. People who freelance, have a side gig, are independent contractors or operate a business by themselves often choose them.

Single-member LLCs are business entities owned by just one person. In most cases, there’s no distinction between the owner and the LLC for income tax purposes; the business’s income and profits go right onto the owner’s personal tax return.

Single-member LLCs Single-member LLCs are business entities owned by just one person. In most cases, there’s no distinction between the owner and the LLC for income tax purposes; the business’s income and profits go right onto the owner’s personal tax return. ? Nerdy Tip

You may have to file a Schedule C even if you have a regular day job where you’re someone’s employee. So if you’re freelancing on the side, your self-employment means you’ll probably need to add the Schedule C to your to-do list.

You may have to file a Schedule C even if you have a regular day job where you’re someone’s employee. So if you’re freelancing on the side, your self-employment means you’ll probably need to add the Schedule C to your to-do list.

» Thinking about hiring a financial advisor? Here are 10 questions to ask

» Thinking about hiring a financial advisor? » Thinking about hiring a financial advisor? Here are 10 questions to ask

What is on a Schedule C form?

What is on a Schedule C form?

Schedule C is a place to report the revenue from your business and the types of expenses you incurred to run your business. Your business income minus your business expenses is your net profit (or loss). You report your net profit as income on Form 1040.

Schedule C is a place to report the revenue from your business and the types of expenses you incurred to run your business. Your business income minus your business expenses is your net profit (or loss). You report your net profit as income on Form 1040.

» MORE: 15 popular tax deductions for the self-employed

» MORE: » MORE: 15 popular tax deductions for the self-employed

How to fill out Schedule C

How to fill out Schedule C

Here's some information you’ll need:

Here's some information you’ll need:

Your business income statement and balance sheet for the tax year.

Your business income statement and balance sheet for the tax year.

Receipts for your business expenses.

Receipts for your business expenses.

Inventory records, if you have inventory.

Inventory records, if you have inventory.

Mileage and other vehicle records if you used one for business.

Mileage and other vehicle records if you used one for business.

Here's the basic structure of Schedule C:

Here's the basic structure of Schedule C:

Part I is where you tally your sales and report your cost of goods sold so you can see your gross profit.

Part I Part I is where you tally your sales and report your cost of goods sold so you can see your gross profit.

Part II is where you report your business expenses. There are over two dozen categories to help you stay organized, such as advertising, car and truck expenses, legal and professional services, rent, travel and meal expenses and other costs. The IRS' Schedule C instructions page explains the rules for each type of expense

Part II Part II is where you report your business expenses. There are over two dozen categories to help you stay organized, such as advertising, car and truck expenses, legal and professional services, rent, travel and meal expenses and other costs. The IRS' Schedule C instructions page explains the rules for each type of expense Internal Revenue Service. Instructions for Schedule C. Accessed Jan 6, 2026. . You’ll add up all the expenses and subtract them from your gross profit to arrive at your net profit, which is taxable income for your personal tax return. If you have a net loss, it may be deductible on your personal tax return.

Part III helps you calculate your cost of goods sold.

Part III Part III helps you calculate your cost of goods sold.

Part IV is a place to report certain information on a vehicle if you have car- or truck-related business expenses.

Part IV Part IV is a place to report certain information on a vehicle if you have car- or truck-related business expenses.

Part V is a place to list other business expenses that didn’t fit into the categories in Part II.

Part V Part V is a place to list other business expenses that didn’t fit into the categories in Part II.

2025 Schedule C

2025 Schedule C

» MORE: Check out our tax guide for freelancers and self-employed people

» MORE: » MORE: Check out our tax guide for freelancers and self-employed people AD Owe $10,000+ or More? This Tax Season Could Be Your Chance to Qualify Each year the IRS writes off millions in tax debt, yet few have applied. Learn more

on Anthem Tax Services' website

AD Let’s resolve your tax issues: Tax Relief & Resolution Services for IRS Tax Debt Certified Enrolled Agents, CPAs, and Tax Attorneys on your case. Learn more

on TaxRise's website

Schedule C: Tips and tricks

Schedule C: Tips and tricks

You may need to fill out more than one Schedule C. It’s one Schedule C per side gig. So if you have two side gigs, you’ll need to fill out two Schedule Cs.

You may need to fill out more than one Schedule C. You may need to fill out more than one Schedule C. It’s one Schedule C per side gig. So if you have two side gigs, you’ll need to fill out two Schedule Cs.

Be sure to take advantage of other tax deductions. Self-employment can score you a lot of tax deductions, and one of the newest is the qualified business income deduction. If you qualify, you can deduct a portion of your business’s net income on your tax return.

Be sure to take advantage of other tax deductions. Be sure to take advantage of other tax deductions. Self-employment can score you a lot of tax deductions, and one of the newest is the qualified business income deduction . If you qualify, you can deduct a portion of your business’s net income on your tax return.

Measure your home office’s square footage. If you have a home office, you can probably deduct some expenses associated with keeping it up and running if you’re self-employed. The IRS offers a flat-rate deduction of $5 per square foot for up to 300 square feet of home office space

Measure your home office’s square footage. Measure your home office’s square footage. If you have a home office, you can probably deduct some expenses associated with keeping it up and running if you’re self-employed. The IRS offers a flat-rate deduction of $5 per square foot for up to 300 square feet of home office space IRS.gov. Simplified option for home office deduction. Accessed Jan 6, 2026. . But if a big percentage of your home’s square footage is dedicated to your home office, your home expenses (utilities, etc.) are high enough, and you're able to keep and compare detailed records, you might get a bigger deduction with the “regular” method.

Think about hiring someone to help. Most name-brand tax software providers sell versions that can prepare Schedule C. However, you’ll likely need to purchase the highest-end version to get Schedule C functionality. That might end up costing less than paying someone else to do your taxes (though it could cost you time). Don’t underestimate the value of a good financial advisor or accountant.

Think about hiring someone to help. Think about hiring someone to help. Most name-brand tax software providers sell versions that can prepare Schedule C. However, you’ll likely need to purchase the highest-end version to get Schedule C functionality. That might end up costing less than paying someone else to do your taxes (though it could cost you time). Don’t underestimate the value of a good financial advisor or accountant.

Make estimated quarterly tax payments to avoid penalties. Taxes are a pay-as-you-go arrangement in the United States; when you earn money, the IRS wants its cut as soon as possible. That’s why employers withhold taxes from employees' paychecks. But when you’re paying yourself, that’s probably not happening. To avoid late-payment penalties, you can make estimated quarterly payments to the IRS.

Make estimated quarterly tax payments to avoid penalties. Make estimated quarterly tax payments to avoid penalties. Taxes are a pay-as-you-go arrangement in the United States; when you earn money, the IRS wants its cut as soon as possible. That’s why employers withhold taxes from employees' paychecks. But when you’re paying yourself, that’s probably not happening. To avoid late-payment penalties, you can make estimated quarterly payments to the IRS.

» How to find a CPA or tax accountant near you

» How to find a CPA or tax accountant near you » How to find a CPA or tax accountant near you NerdWallet writers are subject matter authorities who use primary, trustworthy sources to inform their work, including peer-reviewed studies, government websites, academic research and interviews with industry experts. All content is fact-checked for accuracy, timeliness and relevance. You can learn more about NerdWallet's high standards for journalism by reading our editorial guidelines. Internal Revenue Service. Instructions for Schedule C. Accessed Jan 6, 2026. IRS.gov. Simplified option for home office deduction. Accessed Jan 6, 2026. About the author Tina Orem Tina Orem Tina Orem is an editor and content strategist at NerdWallet. Before becoming an editor and content strategist, she was NerdWallet's authority on taxes and small business. Her work has appeared in a variety of local and national outlets. See full bio.

Helpful resources

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