W-2 vs 1099 Income

W-2 income is employee wages: the employer withholds income tax and the 7.65% employee FICA on every paycheck, pays a matching 7.65% the payslip never shows, and provides the benefits. A 1099 is contractor income, reported on Form 1099-NEC for client work of $600 or more or on a 1099-K for platform payments: no withholding, no employer half, no benefits. The contractor pays both FICA halves as the 15.3% self-employment tax on Schedule SE, computed on 92.35% of net profit.

The trade is grosser pay for hidden costs. A $100,000 contractor owes roughly $14,100 of self-employment tax against $7,650 of employee FICA on the same salary, a $6,500 gap before income tax, health insurance, the employer match, or PTO. Half the self-employment tax is deductible, quarterly estimated taxes replace withholding, and the retirement limits are bigger: a solo 401(k) or SEP IRA reaches $72,000, separate from any employer plan. The comparison is net, never gross, which is the mistake that prices every freelance decision wrong.

The W-2 machinery runs through payroll. The employee files a Form W-4, payroll withholds income tax and 7.65% FICA on every check, the employer deposits a matching 7.65%, and the W-2 lands by January 31 with the year's totals. On a $100,000 salary, FICA is $6,200 of Social Security plus $1,450 of Medicare, and the employer's matching $7,650 makes the true cost of the salary $107,650. The employee sees one line; the IRS sees both.

The 1099 machinery is self-service. The client pays gross and reports the pay on Form 1099-NEC above $600; the contractor computes the self-employment tax on Schedule SE: net profit times 92.35% times 15.3%, with the 12.4% Social Security portion capped at the $184,500 wage base and the 2.9% Medicare portion uncapped plus a 0.9% additional tax over $200,000. Half the total is deductible on Form 1040, and the qualified business income deduction may remove up to 20% of qualified profit before the brackets. On $100,000 of profit, the self-employment tax is roughly $14,130, of which $7,065 is deductible.

The estimated tax cycle is the payroll the contractor runs personally: payments due April 15, June 15, September 15, and January 15. The safe harbor is 90% of the current year's tax or 100% of last year's, 110% above $150,000 of income; meeting it avoids the underpayment penalty that accrues at the IRS interest rate on every missed cycle. A $12,000 year settled entirely in April carries roughly $500 of Form 2210 penalty, which is the price of skipping payroll.

The distinction prices every freelance invoice and every job offer with a contractor option. A $100,000 W-2 salary and a $100,000 1099 contract are not the same money: the contractor owes both FICA halves, buys their own health insurance, funds their own retirement match, and schedules their own quarterly payments. The same take-home needs roughly $10,000 more of contract billing before the benefits are counted.

I watched a colleague named Brent (yes, that Brent) take a $100,000 contract over a $95,000 salary offer because the contract paid more. April brought Schedule SE: $14,100 of self-employment tax, a $9,000 health premium, no match, and a quarterly penalty on top. The $5,000 headline was a five-figure haircut once the payslip's hidden half was priced.

The highest-leverage thing most Americans with 1099 income can do is open a SEP IRA or solo 401(k) and put the quarterly payments on auto-draft, because the retirement limits are the compensation the contractor side actually wins. Run the comparison with the self-employment tax calculator, check the take-home with the take-home paycheck calculator, and read the deferral limits in the solo 401(k) entry.