How to File Schedule C (Self-Employment Tax Form)
Schedule C is where sole proprietors and single-member LLCs report business income and expenses on their Form 1040US Individual Income Tax Return — The standard federal income tax form. Variants like 1040-SR (seniors) and schedules attach to it.Click for official info ↗. Good records make it a 2-hour job; the deductions are worth more than most people expect.
The Steps
Follow these in order
Each card shows the phase, expected time, and any cost. Data checked against official US sources(2025-Latest).
0 of 7 steps
- Before You Go 15 min
Confirm Schedule C is right for you
Use Schedule C if you are a sole proprietor, freelancer, gig worker, or single-member LLCLimited Liability Company — A business structure that protects your personal assets from business debts and lawsuits.Click for official info ↗. Partners and multi-member LLCs use Schedule K-1 (Form 1065) instead; S-corp owners take wages plus a K-1.
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- Before You Go 30–60 min
Total your business income
Add up all 1099Information Return series — Forms reporting income that is not wages — freelance pay (1099-NEC), interest (1099-INT), dividends (1099-DIV).Click for official info ↗-NECs, 1099Information Return series — Forms reporting income that is not wages — freelance pay (1099-NEC), interest (1099-INT), dividends (1099-DIV).Click for official info ↗-Ks (payment platforms), and any income paid without a form. The IRSInternal Revenue Service — The US federal tax agency. It collects federal income taxes, issues refunds, and administers ITINs.Click for official info ↗ matches reported 1099s to your return automatically — unreported income generates a CP2000 notice with penalties.
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- Fill / Prepare 1–2 hours
Categorize expenses (Part II)
Common categories: advertising, car expenses, supplies, contract labor, insurance, legal/professional services, rent, software subscriptions, phone/internet (business share), travel, meals (50% limit). Keep personal costs out — commingling is the fastest route to an audit.
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- Fill / Prepare 30 min
Claim the home office deduction if eligible
The simplified method: $5 per square foot up to 300 sq ft ($1,500 max), no receipts needed. The regular method: actual expenses (rent, utilities, insurance) times the business-use percentage. Either way the space must be used regularly and exclusively for business.
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- Fill / Prepare 20 min
Calculate net profit and self-employment tax
Income minus expenses = net profit (Line 31). If it is $400+, Schedule SE calculates self-employment tax: 15.3% covering Social Security and MedicareFederal health insurance for 65+ — The federal health insurance program mainly for people 65 and older, plus some younger people with disabilities.Click for official info ↗ — the part employers normally pay for employees. You deduct half of it on your 1040US Individual Income Tax Return — The standard federal income tax form. Variants like 1040-SR (seniors) and schedules attach to it.Click for official info ↗.
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- Submit & Pay 30 min
Attach to Form 1040 and file
Schedule C, Schedule SE, and Form 1040US Individual Income Tax Return — The standard federal income tax form. Variants like 1040-SR (seniors) and schedules attach to it.Click for official info ↗ file together. Most tax software handles this automatically in its self-employment tier. E-file and choose direct deposit for the fastest refund.
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- Follow Up 30 min/quarter
Pay quarterly estimates next year
If you expect to owe $1,000+, make quarterly estimated payments (April, June, September, January) using Form 1040US Individual Income Tax Return — The standard federal income tax form. Variants like 1040-SR (seniors) and schedules attach to it.Click for official info ↗-ES to avoid underpayment penalties.
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FAQ
Frequently Asked Questions
Can I deduct my phone and internet on Schedule C?
Yes, but only the business-use percentage. If you use your phone 60% for work, deduct 60% of the bill. Keep a usage log for at least a month to back up your estimate.
What happens if I report a loss?
Losses are legitimate and often deductible against other income — but repeated losses year after year make the IRSInternal Revenue Service — The US federal tax agency. It collects federal income taxes, issues refunds, and administers ITINs.Click for official info ↗ question whether it is a business or a hobby. The hobby-loss rule presumes profit in 3 of 5 years; keep records showing a genuine profit motive.
Do DoorDash and Uber drivers file Schedule C?
Yes. Platform work is self-employment income. The platform issues a 1099Information Return series — Forms reporting income that is not wages — freelance pay (1099-NEC), interest (1099-INT), dividends (1099-DIV).Click for official info ↗-NEC and/or 1099Information Return series — Forms reporting income that is not wages — freelance pay (1099-NEC), interest (1099-INT), dividends (1099-DIV).Click for official info ↗-K, and you report it on Schedule C — where you can deduct mileage (67¢/mile for 2024), which usually saves more than the standard vehicle expense method.
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