Ohio Estimated Tax Payments (2026)

Do you have to pay estimated taxes in Ohio?

Usually not to the state. Ohio's business income deduction removes the first $250,000 of business income, including self-employment profit, so most self-employed people owe no Ohio income tax on it. You only need Ohio estimated payments if you expect to owe more than $500 in Ohio tax after withholding, for example from wages, interest, or business profit over $250,000. Your city income tax, and school district income tax if your district has one, have their own estimated payments. Ohio taxes non-business income at a flat 2.75% above $26,050, and business income above $250,000 at 3%.

When are Ohio estimated taxes due in 2026?

Ohio's 2026 quarterly payments are due April 15, June 15, September 15, and January 15, in four equal installments, on the same calendar as your federal payments.

• Q1, April 15, 2026

• Q2, June 15, 2026

• Q3, September 15, 2026

• Q4, January 15, 2027

How much should you set aside for Ohio estimated taxes?

Plan to set aside 20% to 25% of your net self-employment profit to cover federal and local taxes combined, then confirm the exact amount with the calculator above. On $50,000 of net self-employment profit, federal self-employment tax alone is about $7,065 (15.3% on 92.35% of your earnings). On top of that you'll owe federal income tax and city income tax, about $1,250 in Columbus at 2.5%, but usually no Ohio income tax.

How do you avoid an Ohio underpayment penalty?

To avoid an Ohio underpayment penalty, pay the smaller of 90% of your 2026 Ohio tax or 100% of your 2025 tax, in four on-time installments. Paying the full amount late doesn't help; each installment has to be on time. You can estimate a federal underpayment penalty here.

What deductions lower your Ohio estimated taxes?

Because estimated taxes are based on your net profit, every business write-off you claim lowers what you owe each quarter. Common deductions for 1099 workers, reported on Schedule C, include the home-office deduction, car mileage, phone and internet, software, and supplies. Like the IRS, Ohio lets you deduct half of your self-employment tax. The federal Qualified Business Income (QBI) deduction can remove up to 20% of your qualified business income from your federal taxes, but Ohio doesn’t allow it, so it doesn’t lower your Ohio tax. Ohio has its own business income deduction instead: the first $250,000 of business income ($125,000 if married filing separately) is deductible, and the rest is taxed at a flat 3%.

Keeper's 1099 tax calculator estimates your bill after deductions, and our write-off guides list the deductions for your line of work.

Do self-employed people in Ohio owe city or school district taxes?

Yes, usually. Most Ohio cities tax the net profit of self-employed residents, usually at 1% to 2.5% (2.5% in Columbus and Cleveland), and the business income deduction doesn't apply. If you expect to owe $200 or more in city tax, make estimated payments by April 15, June 15, September 15, and December 15. Some school districts also charge an income tax on self-employment earnings.

Note: Figures are current for the 2026 tax year and are for planning, not tax advice. Confirm the details with the Ohio Department of Taxation before you file.

How to file quarterly taxes in Ohio

Filing quarterly in Ohio means two separate payments each period: one to the IRS for federal tax, and one to the Ohio Department of Taxation for your state taxes. Here’s how to do it.

1. Confirm you need to pay. You owe estimated payments when tax isn’t withheld from enough of your income — 1099 or freelance work, investment income, or other untaxed income. Federal and Ohio run separate tests: the state generally requires estimated payments if you expect to owe more than $500 in Ohio tax after withholding and credits, subject to its safe-harbor rules.
2. Calculate your federal estimate. Use the Form 1040-ES worksheet (or tax software). Estimate your full-year income, add your federal income tax and self-employment tax, subtract anything already withheld from a paycheck, and split the rest across the year. The estimate at the top of this page gives you a starting number.
3. Calculate your Ohio estimate separately. Work out your Ohio amount on its own using Form IT 1040ES. Don’t just send part of your federal payment to the state — the Ohio calculation is separate, based on your Ohio income tax, credits, and any Ohio withholding.
4. Pay the IRS. Pay through IRS Direct Pay (or EFTPS) and choose the estimated tax / Form 1040-ES option. Select tax year 2026 and save the confirmation number. This money counts only toward your federal taxes.
5. Pay Ohio separately. Make a second payment to OH|TAX eServices and select the Form IT 1040ES estimated payment for 2026. Save that confirmation too. This money counts only toward your Ohio taxes.
6. Repeat on each deadline. For 2026, federal estimated payments are due April 15, 2026, June 15, 2026, September 15, 2026, and January 15, 2027. Ohio uses those same four dates.

Steps reflect 2026 rules and are for planning, not tax advice.