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The tax implications of how you get paid — and what to do.
A W-2 employee has an employer who withholds taxes from each paycheck, pays half of FICA taxes on their behalf, and handles most of the tax complexity automatically.
A 1099 contractor is self-employed. No taxes are withheld, they owe the full FICA amount (called self-employment tax), and they are responsible for making quarterly estimated payments to the IRS. The tradeoff: far more deductions, better retirement account limits, and additional tax benefits unavailable to employees.
Common Mistake: As a W-2 employee, you pay 7.65% in FICA taxes and your employer matches it. As a 1099 contractor, you pay both sides — 15.3% total — on net self-employment income. On $80,000 of 1099 income, that is $12,240 in SE tax alone, before income tax. This is why a $100,000 1099 offer is not the same as a $100,000 salary — you need to account for the extra 7.65%. The silver lining: you can deduct half of the SE tax as an above-the-line deduction, which partially offsets the hit.
| Aspect | W-2 Employee | 1099 Contractor |
|---|---|---|
| Tax forms received | W-2 from employer | 1099-NEC from each client |
| FICA taxes (Social Security + Medicare) | Split 50/50 — employer pays 7.65%, you pay 7.65% | You pay the full 15.3% as self-employment tax |
| Income tax withholding | Withheld automatically each paycheck | Not withheld — you make quarterly estimated payments |
| Business expense deductions | Very limited (mostly none since 2018) | Deduct all legitimate business expenses on Schedule C |
| Retirement account options | 401(k) through employer (up to $23,500) | Solo 401(k) or SEP-IRA (up to 25% of net earnings, max $70,000) |
| Health insurance deduction | Only if employer doesn't offer coverage (complex) | Deduct 100% of self-employed health insurance premiums above the line |
| QBI deduction | Not available | Up to 20% deduction on qualified business income (Section 199A) |
As a 1099 worker, the IRS expects you to pay taxes as you earn — not just at filing time. Miss the deadlines and you will owe an underpayment penalty even if you pay in full by April.
| Quarter | Income Period | Payment Due |
|---|---|---|
| Q1 | Jan 1 – Mar 31 | April 15 |
| Q2 | Apr 1 – May 31 | June 16 |
| Q3 | Jun 1 – Aug 31 | September 15 |
| Q4 | Sep 1 – Dec 31 | January 15 (next year) |
* 2025 deadlines — dates shift slightly when they fall on weekends or holidays.
Set aside 25–30% of every 1099 payment: A common rule of thumb: move 25–30% of every payment you receive into a separate savings account earmarked for taxes. This covers your SE tax (15.3%) plus federal income tax for most income levels, leaving a small cushion for deductions you will claim. Transfer it the same day you deposit — out of sight, out of mind.