LLC vs S-Corp Tax Savings Calculator
Compare your tax bill as a default LLC versus S-Corp election. See exactly how much you could save in self-employment taxes and whether S-Corp is worth the extra costs.
| Default LLC | S-Corp Election | |
|---|---|---|
| Net Business Income | — | — |
| Salary / SE Income | — | — |
| Distributions (no SE tax) | N/A | — |
| Self-Employment / Payroll Tax | — | — |
| Employer-Half Deduction | — | — |
| Estimated Income Tax | — | — |
| Additional S-Corp Costs | $0 | — |
| Total Tax + Costs | — | — |
Annual Savings with S-Corp
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Break-Even Point
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Recommendation
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This calculator provides estimates for educational purposes only and uses simplified 2024 federal tax brackets. It does not account for state taxes, QBI deduction, itemized deductions, or other credits. Consult a CPA or tax professional before making an S-Corp election.
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LLC vs S-Corp: Understanding the Tax Difference
When you operate as a single-member LLC, the IRS treats your business as a sole proprietorship for tax purposes. All net business income is subject to self-employment tax at 15.3% (12.4% Social Security + 2.9% Medicare), applied to 92.35% of your net earnings. That is on top of regular income tax.
By filing Form 2553 to elect S-Corp taxation, you split your business income into two buckets: a reasonable salary (subject to payroll taxes) and distributions (subject to income tax only, no payroll or SE tax). The savings come from the distributions portion escaping the 15.3% self-employment tax.
When S-Corp Election Makes Financial Sense
S-Corp election is not free. You must run payroll, file a separate corporate return (Form 1120-S), and comply with stricter recordkeeping requirements. These costs typically run $1,000 to $3,000 per year. For most business owners, the math only works in your favor once net income exceeds roughly $50,000 to $60,000 annually — the point where SE tax savings surpass the additional compliance costs.
Setting Your Reasonable Salary
The IRS scrutinizes S-Corp owners who pay themselves too little. Your salary must reflect what you would earn doing the same work for someone else. Factors include your industry, experience, hours worked, and geographic location. A common starting point is 40-60% of net income, but some industries require higher percentages. Paying yourself too little invites an audit and potential reclassification of distributions as wages — wiping out the tax benefit and adding penalties.
The Bottom Line
The LLC vs S-Corp decision is purely a tax optimization play. Your legal protections stay the same either way. Use this calculator to see whether the numbers work for your situation, then talk to a qualified CPA before filing Form 2553. The right structure can save thousands per year — but the wrong timing or salary level can cost you more than you save.
Frequently Asked Questions
When does electing S-Corp status make sense?
S-Corp election typically makes sense when your net business income consistently exceeds $50,000-$60,000 per year. Below that threshold, the additional costs of payroll processing, separate tax filings, and compliance requirements usually outweigh the self-employment tax savings.
What is a "reasonable salary" for an S-Corp owner?
The IRS requires S-Corp owners who perform services to pay themselves a reasonable salary before taking distributions. Reasonable salary is typically 40-60% of net business income, but it depends on your industry, role, experience, and what comparable employees would earn. Setting it too low is a red flag for IRS audits.
What are the additional costs of S-Corp election?
S-Corp owners must run payroll (typically $500-$1,500/year for a payroll service), file a separate corporate tax return on Form 1120-S ($500-$1,500/year if using a CPA), and may face state-level franchise taxes or fees. These costs eat into your SE tax savings.
Can I switch from LLC to S-Corp mid-year?
Yes, but timing matters. You can elect S-Corp status by filing Form 2553 within 75 days of the start of the tax year you want the election to take effect. Late elections are sometimes accepted with reasonable cause. Many business owners file by March 15 for a January 1 effective date.
How are S-Corp distributions taxed?
S-Corp distributions (the profit you take beyond your salary) are not subject to self-employment tax or payroll taxes — they are only subject to income tax. This is the key tax advantage: you shift income from salary (subject to 15.3% SE tax) to distributions (no SE tax).
Does S-Corp election affect my liability protection?
No. S-Corp is a tax election, not a legal structure. Your LLC still provides the same liability protection. You are simply telling the IRS to tax your LLC as an S-Corporation instead of as a sole proprietorship or partnership.
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