How Is Side Hustle Income Taxed?
Quick Answer
Side hustle income is subject to both federal income tax (at your marginal rate) and self-employment tax (15.3%). This means your side hustle is taxed more heavily per dollar than your W-2 job because there is no employer to split the FICA costs. If your net self-employment earnings exceed $400, you must report them on Schedule C and may need to make quarterly estimated payments.
How Side Hustle Income Is Taxed
Side hustle income (freelancing, gig work, selling products, tutoring, rideshare driving, etc.) is treated as self-employment income:
| Tax | Rate | Notes |
|---|---|---|
| Federal income tax | 10-37% (your marginal bracket) | Added on top of your W-2 income |
| Self-employment tax | 15.3% | Social Security + Medicare, both halves |
| State income tax | 0-13.3% | Depends on your state |
The key difference from W-2 income: your side hustle has no employer to pay half of FICA. You pay the full 15.3%.
Real Example With Actual Numbers
Chris earns $70,000 from his W-2 job in Texas and $15,000 from freelance web design on the side (after $3,000 in business expenses).
Without Side Hustle
| Tax | Amount |
|---|---|
| Federal income tax | ~$6,360 |
| FICA (7.65%) | $5,355 |
| Total tax | $11,715 |
| Take-home | $58,285 |
With $15,000 Side Hustle
| Tax | Amount |
|---|---|
| Federal income tax (on $85,000 total) | ~$9,414 |
| W-2 FICA (7.65% on $70,000) | $5,355 |
| SE tax (15.3% on $13,853*) | $2,120 |
| SE deduction (saves on income tax) | -$233 |
| Total tax | $16,656 |
| Tax on the side hustle alone | $4,941 |
| Side hustle take-home | $10,059 |
*92.35% of $15,000
Chris keeps about 67% of his side hustle income after all taxes. The $15,000 in gross side hustle income becomes $10,059 in his pocket. Use the freelance calculator to estimate your side hustle taxes.
Reducing Your Side Hustle Tax Bill
1. Deduct Business Expenses
Every legitimate business expense reduces both income tax and self-employment tax. Common deductions include:
- Equipment and supplies
- Software and subscriptions
- Mileage (67 cents/mile in 2025 for rideshare, delivery, etc.)
- Home office (if you have a dedicated space)
- Internet and phone (business percentage)
2. Contribute to Retirement Accounts
Side hustle income lets you open a Solo 401(k) or SEP-IRA, which reduces your taxable income. Even small contributions help.
3. QBI Deduction
The QBI deduction can reduce up to 20% of your net self-employment income from taxation.
4. Increase W-4 Withholding
Instead of making separate quarterly payments, you can increase withholding at your W-2 job by adjusting your W-4 (Step 4c). This is simpler and achieves the same result.
Reporting Thresholds
| Scenario | Reporting Required? |
|---|---|
| Net SE income $400+ | Yes — file Schedule C + SE |
| Received 1099-NEC ($600+) | Yes — you will receive a form |
| Received 1099-K ($5,000+ in 2025) | Yes — form sent by payment platforms |
| Cash payments, no 1099 | Yes — still taxable regardless |
Even if you do not receive a 1099, all income is taxable. The IRS is increasing enforcement on unreported gig income.
Common Side Hustles and Tax Considerations
| Side Hustle | Key Deductions | Watch Out For |
|---|---|---|
| Rideshare (Uber/Lyft) | Mileage, phone, car expenses | Track every business mile |
| Freelance work | Home office, software, equipment | Schedule C required |
| Selling online (Etsy, eBay) | Materials, shipping, fees | Inventory accounting |
| Tutoring/coaching | Supplies, platform fees | May owe local taxes |
| Rental income | Mortgage interest, repairs, depreciation | Reported on Schedule E, not C |
Estimate your total tax burden including side hustle income at the SalaryHog calculator or see the 1099 vs W-2 comparison.