Finance · Michigan · Tax year 2026
Michigan Self-Employment Tax Calculator 2026
On $100,000 of 2026 self-employment profit, a single Michigan sole proprietor with no other income owes about $26,064: $14,130 of self-employment tax, $8,235 of federal income tax, and $3,699 of Michigan income tax. That is 26.1% of profit, or $6,516 for each quarterly estimated payment.
Against its neighbors, the same $100,000 of profit costs $309 more in Wisconsin and $3,699 less in Ohio.
- State income tax
- 4.25% flat
- Michigan tax on $100,000
- $3,699
- National rank
- #24 highest of 51
- Set aside on $100,000
- 26.1%
- State estimated payments
- Form MI-1040ES
- LLC filing fee
- $50
- State sales tax
- 6%
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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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Michigan 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 | Michigan tax | Total | Set aside | Quarterly |
|---|---|---|---|---|---|---|
| $40,000 | $5,652 | $1,775 | $1,329 | $8,756 | 21.9% | $2,189 |
| $60,000 | $8,478 | $3,559 | $2,119 | $14,156 | 23.6% | $3,539 |
| $80,000 | $11,304 | $5,344 | $2,909 | $19,557 | 24.4% | $4,889 |
| $100,000 | $14,130 | $8,235 | $3,699 | $26,064 | 26.1% | $6,516 |
| $150,000 | $21,194 | $16,413 | $5,674 | $43,281 | 28.9% | $10,820 |
| $250,000 | $29,851 | $36,509 | $9,746 | $76,106 | 30.4% | $19,026 |
Married filing jointly
The same profit, earned by one spouse filing jointly with no other household income.
| Profit | SE tax | Federal income tax | Michigan tax | Total | Set aside | Quarterly |
|---|---|---|---|---|---|---|
| $40,000 | $5,652 | $398 | $1,078 | $7,128 | 17.8% | $1,782 |
| $60,000 | $8,478 | $1,885 | $1,868 | $12,231 | 20.4% | $3,058 |
| $80,000 | $11,304 | $3,550 | $2,658 | $17,512 | 21.9% | $4,378 |
| $100,000 | $14,130 | $5,335 | $3,448 | $22,912 | 22.9% | $5,728 |
| $150,000 | $21,194 | $9,795 | $5,423 | $36,413 | 24.3% | $9,103 |
| $250,000 | $29,573 | $25,154 | $9,495 | $64,223 | 25.7% | $16,056 |
How Michigan taxes self-employment income
Michigan 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: $0 (none)
- Personal exemption: $5,900 single, $11,800 joint, $5,900 head of household
- Top rate: 4.25%; your bracket on $100,000 of profit is 4.25%.
2026 Michigan income tax brackets (all filers)
| Taxable income over | Up to | Rate |
|---|---|---|
| $0 | and up | 4.25% |
Michigan 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 $309 more in Wisconsin and $3,699 less in Ohio.
| State | State income tax | Total tax | Set aside | vs Michigan |
|---|---|---|---|---|
| Michigan | $3,699 | $26,064 | 26.1% | — |
| Indiana | $2,712 | $25,077 | 25.1% | −$987 |
| Ohio | $0 | $22,365 | 22.4% | −$3,699 |
| Wisconsin | $4,008 | $26,373 | 26.4% | +$309 |
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 Michigan.
| Profit | Indiana | Ohio | Wisconsin |
|---|---|---|---|
| $40,000 | −$262 | −$1,329 | −$384 |
| $60,000 | −$504 | −$2,119 | −$258 |
| $80,000 | −$745 | −$2,909 | −$4 |
| $100,000 | −$987 | −$3,699 | +$309 |
| $150,000 | −$1,591 | −$5,674 | +$1,074 |
| $250,000 | −$2,837 | −$9,746 | +$2,080 |
What's different about Michigan for the self-employed
- 24 Michigan cities tax resident income and self-employment profit: Detroit 2.4%, Grand Rapids 1.5%, most others 1%. Enter yours under "Local income tax rate".
- Michigan has no head of household status; head of household filers are treated as single.
- Twenty-four Michigan cities levy income-related taxes; for example, Detroit's 2026 rate is 2.4% for residents and 1.2% for nonresidents, with its own estimated-payment form (Form 5123).
- Michigan's flat individual income tax rate used for 2026 estimates is 4.25%.
- Under current law the LLC annual statement fee is $25 through September 30, 2027 and drops to $15 after that date; LLCs formed after September 30 skip the first February 15 statement.
Michigan estimated payments and deadlines
Michigan collects its own estimated income tax with Form MI-1040ES, separately from the IRS. Required if you expect to owe more than $500 when you file your 2026 MI-1040 (after withholding and credits).
| Installment | Michigan 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 Michigan income tax return is due April 15, 2027.
File and pay through the Michigan Department of Treasury.
LLC fees and sales tax in Michigan
- Forming an LLC: $50 state filing fee.
- Annual Statement: $25, every year, due by February 15.
- Sales tax: 6% statewide. 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.
Michigan self-employment tax FAQs
How much should I set aside for taxes if I'm self-employed in Michigan?
For a single filer with no other income, about 23.6% of profit at $60,000, 26.1% at $100,000, and 28.9% at $150,000 for 2026, covering self-employment tax, federal income tax, and Michigan income tax. Enter your own numbers in the calculator for a personal figure.
Does Michigan tax self-employment income?
Yes. Michigan taxes self-employment profit as ordinary income at 4.25% flat rate. Michigan 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 Michigan estimated tax payments due for 2026?
April 15, 2026, June 15, 2026, September 15, 2026, January 15, 2027, using Form MI-1040ES. Required if you expect to owe more than $500 when you file your 2026 MI-1040 (after withholding and credits).
How much does an LLC cost in Michigan?
The state filing fee to form an LLC is $50. Annual Statement: $25, every year, due by February 15. 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 Michigan's rules from the sources below. Planning estimates, not a return. Last checked 2026-10-08.
- www.michigan.gov/taxes/-/media/Project/Websites/taxes/Forms/SUW/TY2026/446_Withholding-Guide_2026.pdf
- www.michigan.gov/treasury/reference/taxpayer-notices/2026/04/15/425-income-tax-rate-for-individuals-and-fiduciaries-in-2026-tax-year
- www.michigan.gov/taxes/-/media/Project/Websites/taxes/Forms/City-IIT/TY2026/5123_2026.pdf
- www.michigan.gov/taxes/-/media/Project/Websites/taxes/Forms/IIT/TY2025/MI-1040ES-(2026).pdf
- www.legislature.mi.gov/Laws/MCL?objectName=mcl-206-315
- www.legislature.mi.gov/Laws/MCL?objectName=mcl-450-5101
- www.legislature.mi.gov/Laws/MCL?objectName=mcl-450-4207
- www.michigan.gov/taxes/business-taxes/sales-use-tax/information/sales-tax-license-faq
- www.michigan.gov/taxes/citytax/what-cities-impose-an-income-tax