Finance · Louisiana · Tax year 2026
Louisiana Self-Employment Tax Calculator 2026
On $100,000 of 2026 self-employment profit, a single Louisiana sole proprietor with no other income owes about $24,766: $14,130 of self-employment tax, $8,235 of federal income tax, and $2,402 of Louisiana income tax. That is 24.8% of profit, or $6,192 for each quarterly estimated payment.
Against its neighbors, the same $100,000 of profit costs $584 more in Mississippi and $2,402 less in Texas.
- State income tax
- 3% flat
- Louisiana tax on $100,000
- $2,402
- National rank
- #38 highest of 51
- Set aside on $100,000
- 24.8%
- State estimated payments
- Form IT-540ES
- LLC filing fee
- $125
- State sales tax
- 5% + local
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Enter your net profit — revenue minus business expenses — to see how much to set aside and what to pay each quarter.
A 2026 planning estimate using the standard deduction, not a tax return: it ignores credits, itemized deductions, and AMT. All calculations happen in your browser. Nothing is stored.
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Louisiana self-employment tax at common profit levels
2026 estimates for a single filer with no other income, using the standard deduction and no retirement or health insurance deductions. "Set aside" is the share of profit to move into a tax account; "Quarterly" is each of the four estimated payments.
| Profit | SE tax | Federal income tax | Louisiana tax | Total | Set aside | Quarterly |
|---|---|---|---|---|---|---|
| $40,000 | $5,652 | $1,775 | $729 | $8,156 | 20.4% | $2,039 |
| $60,000 | $8,478 | $3,559 | $1,287 | $13,324 | 22.2% | $3,331 |
| $80,000 | $11,304 | $5,344 | $1,844 | $18,492 | 23.1% | $4,623 |
| $100,000 | $14,130 | $8,235 | $2,402 | $24,766 | 24.8% | $6,192 |
| $150,000 | $21,194 | $16,413 | $3,796 | $41,403 | 27.6% | $10,351 |
| $250,000 | $29,851 | $36,509 | $6,670 | $73,030 | 29.2% | $18,258 |
Married filing jointly
The same profit, earned by one spouse filing jointly with no other household income.
| Profit | SE tax | Federal income tax | Louisiana tax | Total | Set aside | Quarterly |
|---|---|---|---|---|---|---|
| $40,000 | $5,652 | $398 | $343 | $6,392 | 16.0% | $1,598 |
| $60,000 | $8,478 | $1,885 | $900 | $11,263 | 18.8% | $2,816 |
| $80,000 | $11,304 | $3,550 | $1,458 | $16,312 | 20.4% | $4,078 |
| $100,000 | $14,130 | $5,335 | $2,016 | $21,480 | 21.5% | $5,370 |
| $150,000 | $21,194 | $9,795 | $3,410 | $34,399 | 22.9% | $8,600 |
| $250,000 | $29,573 | $25,154 | $6,284 | $61,012 | 24.4% | $15,253 |
How Louisiana taxes self-employment income
Louisiana starts from federal adjusted gross income (after the deduction for half of self-employment tax), then applies its own deductions, exemptions, and credits.
- Standard deduction: $12,875 single, $25,750 joint, $25,750 head of household
- Top rate: 3%; your bracket on $100,000 of profit is 3%.
2026 Louisiana income tax brackets (all filers)
| Taxable income over | Up to | Rate |
|---|---|---|
| $0 | and up | 3% |
Louisiana vs its neighbors
The same $100,000 of 2026 profit for a single sole proprietor, run through each state's rules. Federal tax is the same everywhere, so the difference is state income tax. Against its neighbors, the same $100,000 of profit costs $584 more in Mississippi and $2,402 less in Texas.
| State | State income tax | Total tax | Set aside | vs Louisiana |
|---|---|---|---|---|
| Louisiana | $2,402 | $24,766 | 24.8% | — |
| Arkansas | $2,951 | $25,316 | 25.3% | +$549 |
| Mississippi | $2,985 | $25,350 | 25.3% | +$584 |
| Texas | $0 | $22,365 | 22.4% | −$2,402 |
How the gap changes with profit
Extra tax (+) or savings (−) for a single filer if the same business were based in each of its neighbors instead of Louisiana.
| Profit | Arkansas | Mississippi | Texas |
|---|---|---|---|
| $40,000 | +$159 | +$26 | −$729 |
| $60,000 | +$289 | +$212 | −$1,287 |
| $80,000 | +$419 | +$398 | −$1,844 |
| $100,000 | +$549 | +$584 | −$2,402 |
| $150,000 | +$1,162 | +$1,048 | −$3,796 |
| $250,000 | +$1,832 | +$2,006 | −$6,670 |
What's different about Louisiana for the self-employed
- Louisiana's flat 3% tax took effect in 2025. The 2026 standard deduction is the state's published figure, which it says may be adjusted slightly on 2026 returns.
- No local income taxes.
- Louisiana's individual income tax is a flat 3% for tax years beginning on or after January 1, 2025.
- Louisiana Secretary of State business fees rose October 1, 2026: LLC articles of organization are now $125 and annual reports $35.
- Louisiana's individual return is due May 15 (not April 15).
Louisiana estimated payments and deadlines
Louisiana collects its own estimated income tax with Form IT-540ES, separately from the IRS. Required if your estimated Louisiana income tax after credits and withholding is expected to exceed $1,000 (single) or $2,000 (joint).
| Installment | Louisiana due date | Share of the year | Federal due date |
|---|---|---|---|
| Q1 | April 15, 2026 | 25% | April 15, 2026 |
| Q2 | June 15, 2026 | 25% | June 15, 2026 |
| Q3 | September 15, 2026 | 25% | September 15, 2026 |
| Q4 | January 15, 2027 | 25% | January 15, 2027 |
The 2026 Louisiana income tax return is due May 15, 2027 (a Saturday, so the deadline moves to the next business day).
File and pay through the Louisiana Department of Revenue.
LLC fees and sales tax in Louisiana
- Forming an LLC: $125 state filing fee.
- Annual Report: $35, every year, due by your formation anniversary date.
- Sales tax: 5% statewide, plus local rates in many cities and counties. Use the Sales Tax Calculator to price a sale.
A single-member LLC is taxed exactly like a sole proprietorship unless it elects S or C corporation status, so the self-employment tax figures on this page apply either way.
Louisiana self-employment tax FAQs
How much should I set aside for taxes if I'm self-employed in Louisiana?
For a single filer with no other income, about 22.2% of profit at $60,000, 24.8% at $100,000, and 27.6% at $150,000 for 2026, covering self-employment tax, federal income tax, and Louisiana income tax. Enter your own numbers in the calculator for a personal figure.
Does Louisiana tax self-employment income?
Yes. Louisiana taxes self-employment profit as ordinary income at 3% flat rate. Louisiana starts from federal adjusted gross income (after the deduction for half of self-employment tax), then applies its own deductions, exemptions, and credits.
When are Louisiana estimated tax payments due for 2026?
April 15, 2026, June 15, 2026, September 15, 2026, January 15, 2027, using Form IT-540ES. Required if your estimated Louisiana income tax after credits and withholding is expected to exceed $1,000 (single) or $2,000 (joint).
How much does an LLC cost in Louisiana?
The state filing fee to form an LLC is $125. Annual Report: $35, every year, due by your formation anniversary date. A single-member LLC is still taxed like a sole proprietorship for federal purposes, so the self-employment tax figures above apply.
Sources and method
Computed with the Self-Employment Tax Calculator's 2026 engine and Louisiana's rules from the sources below. Planning estimates, not a return. Last checked 2026-10-08.
- dam.ldr.la.gov/taxforms/1306-1-26.pdf
- dam.ldr.la.gov/lawspolicies/02-10-2026%20Proposed%20Regulation.pdf
- dam.ldr.la.gov/lawspolicies/RIB-25-012-Louisiana-Individual-Income-Tax-Reform-1.pdf
- revenue.louisiana.gov/individuals/general-resources/declaration-of-estimated-income-taxes/
- revenue.louisiana.gov/tax-education-and-faqs/faqs/individual-income-tax/what-is-the-due-date-of-the-individual-income-tax-return/
- static.sos.la.gov/shared/fee_changes_2026.pdf
- legis.la.gov/legis/Law.aspx?d=76256
- revenue.louisiana.gov/tax-education-and-faqs/faqs/sales-tax/what-is-the-sales-tax-rate-in-louisiana/
- revenue.louisiana.gov/tax-education-and-faqs/faqs/income-tax-reform/what-are-the-individual-income-tax-rates-and-brackets/