LLC vs. S-Corp Tax Savings Calculator
Free LLC vs S-Corp calculator. See how much self-employment tax an S-Corp election could save vs. staying a sole prop/default LLC, based on your reasonable salary.
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Adjust values to see instant results
Estimated Annual Savings as S-Corp
$4,226.00
Estimated • Based on your inputs
Take-Home as Sole Prop / LLC
$81,764.00
Take-Home as S-Corp
$85,989.00
Detailed Breakdown
Disclaimer: This calculator provides estimates for informational purposes only. Results should not be considered financial, tax, or legal advice. Consult a qualified professional for your specific situation.
How This Calculator Works
Calculation methodology and assumptions
As a sole proprietor or default-taxed LLC, 100% of net business profit is subject to self-employment tax: 15.3% (12.4% Social Security up to the Social Security wage base, plus 2.9% Medicare, plus an additional 0.9% Medicare above the income threshold) on 92.35% of net earnings, per IRS Schedule SE. Electing S-Corp status requires paying the owner-employee "reasonable compensation" (W-2 salary, subject to ordinary employer + employee payroll FICA) — but any remaining profit can be paid as a distribution, which is exempt from self-employment and payroll tax entirely. Federal and state income tax still apply to both salary and distributions. This calculator computes take-home pay under both structures and nets out the extra administrative cost of running payroll and filing a separate S-Corp return. It does not model the separate Section 199A Qualified Business Income deduction — its own income thresholds, wage/UBIA limits, and business-type rules are involved enough to warrant a dedicated tool; use the QBI (Section 199A) Deduction Calculator linked below to estimate that deduction on top of these results.
How to Use This Business Calculator
- 1
Enter your revenue or sales figures
Input monthly or annual revenue. For break-even analysis, enter your product's selling price per unit. For profit margin analysis, enter total revenue and cost of goods sold.
- 2
Input your costs
Separate fixed costs (rent, salaries, insurance — don't change with sales volume) from variable costs (materials, shipping, commissions — scale with units sold).
- 3
Set your pricing
For break-even: enter the variable cost per unit and selling price per unit. The calculator determines how many units you need to sell to cover all fixed costs.
- 4
Review profitability metrics
The calculator provides gross margin (revenue minus COGS), operating margin (after operating expenses), and net margin (after all costs including taxes). Each reveals a different layer of profitability.
Example Calculation
Let's analyze a small e-commerce business.
A handmade candle business sells candles at $28 each. Variable cost per unit: $9 (wax, wicks, jars, fragrance, shipping). Fixed monthly costs: $2,400 (studio rent $1,200, Shopify + marketing $800, insurance $200, miscellaneous $200). Break-even point: $2,400 ÷ ($28 − $9) = 126 candles/month.
Result: Break-even: 126 candles/month ($3,528 revenue). At 200 candles/month: Revenue $5,600, COGS $1,800, Fixed Costs $2,400, Net Profit $1,400 (25% net margin). The contribution margin of $19/candle means every candle sold above 126 adds $19 directly to profit. Doubling price to $56 (with premium positioning) would cut break-even to 63 units.
What Affects Your Results
Fixed vs Variable Costs
Businesses with high fixed costs need higher volume to break even but become very profitable at scale. Low fixed costs mean faster break-even but less operating leverage.
Pricing Strategy
A 10% price increase with no volume loss drops directly to the bottom line. For most businesses, pricing is the most powerful profit lever — more impactful than cost cutting.
Cost of Goods Sold
COGS includes direct materials, labor, and manufacturing costs. Negotiate volume discounts with suppliers, optimize shipping, and reduce waste to improve gross margin.
Sales Volume
Operating leverage means that once fixed costs are covered, each additional unit sold generates profit at the contribution margin rate. This is why scale matters.
Operating Expenses
Marketing, rent, insurance, payroll, and admin costs eat into gross profit. Track operating expense ratio (OpEx / Revenue) — for healthy small businesses, aim for 20-35%.
Tips & Best Practices
- Know your contribution margin per product — it tells you exactly how much each sale contributes to covering fixed costs and generating profit.
- Gross margin above 50% is generally healthy for product businesses. Below 30% means pricing or COGS needs attention. Service businesses should target 60%+ gross margins.
- Check your state's business tax obligations. Beyond income tax, you may owe franchise tax, gross receipts tax, or Business & Occupation (B&O) tax depending on the state.
- Track margins monthly. If gross margin is declining, investigate whether COGS is rising (supplier prices, shipping costs) or if you're discounting too aggressively.
- Separate operating expenses from COGS in your bookkeeping. Mixing them masks your true product profitability and makes it harder to identify cost reduction opportunities.
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StateCalc Team
Editorial Team
The StateCalc team builds free financial calculators using data from official government sources including the IRS, U.S. Census Bureau, BLS, and state revenue departments. All formulas are validated by an automated test suite and cross-referenced against published data.
Our editorial standardsFrequently Asked Questions
How much can an S-Corp election actually save me?
It depends entirely on the gap between your total business profit and the "reasonable salary" the IRS would expect for your role. The larger that gap (i.e., the more profit that can become a distribution instead of salary), the more self-employment/payroll tax you avoid. For many solo consultants and freelancers netting $100,000+, savings of a few thousand dollars a year are common — but the extra payroll and tax-prep costs (a few hundred to a few thousand dollars/year) eat into that, so S-Corp status often only pays off once net profit clears roughly $60,000-$80,000.
What is "reasonable compensation" and why does it matter?
The IRS requires S-Corp owner-employees to be paid a salary that reflects fair market value for the work they actually perform for the business, before any profit is distributed. Per IRS guidance, distributions and other payments to a corporate officer are treated as wages (and subject to employment tax) to the extent they represent reasonable compensation for services rendered. Setting your "salary" artificially low to dodge payroll tax is a well-documented audit risk — the IRS can reclassify distributions as wages retroactively, with back taxes and penalties.
Is an S-Corp always better than an LLC for taxes?
No. S-Corp election adds real complexity and cost: running payroll, withholding and remitting payroll taxes, and filing a separate Form 1120-S corporate return (plus a personal return). For lower-profit businesses, or businesses where nearly all profit must be paid out as reasonable salary anyway, the tax savings can be smaller than the added administrative cost. Run your own numbers above rather than assuming S-Corp is automatically the right move.
Can a single-member LLC elect S-Corp taxation?
Yes. An LLC is a state-law business structure; S-Corp is a federal tax election (IRS Form 2553) layered on top of it. A single-member LLC, multi-member LLC, or a traditional corporation can all elect to be taxed as an S-Corp if they meet IRS eligibility rules (generally, 100 or fewer shareholders, one class of stock, and U.S. individual/certain trust shareholders only).
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