Tax calculator

Ohio Self-Employment Tax Calculator (2025)

Last udpated December 19th, 2024
This year you will owe a minimum of
$X,XXX in self-employment taxes.
Want to save money with deductions and stay on top of your self-employed taxes?

Bonsai Tax is built just for self-employed workers.
It helps tens of thousands of people across the country save an average of $5,600 on their taxes.
This is an estimate, and should not be considered tax or financial advice.
What state are you in
What is your tax filling status?
What will your 1099 income be this year?
What will your W2 income be this year?
How much will you spend on business expenses this year?
Get your estimated taxes
This year you will owe a minimum of
$X,XXX in self-employment taxes.
Want to save money with deductions and stay on top of your self-employed taxes?

Bonsai Tax is built just for self-employed workers.
It helps tens of thousands of people across the country save an average of $5,600 on their taxes.
This is an estimate, and should not be considered tax or financial advice.

1. How much is the self employment tax for Ohio?

A self employed individual must pay Ohio self employment tax, since they don’t have an employer to withhold those federal payments on their behalf. The Ohio self employment tax totals 15.3%, with 12.4% covering Social Security and 2.9% going to Medicare.

2. How much do I owe in self employment tax to the government?

To determine the Ohio self employment tax, there are two different calculations. First is the Social Security payment, which is applied against a set amount, established in 2020 as being the first $137,700 of your earnings. The second is the Medicare payment, which is applied against all your combined net earnings. Variations occur for married couples businesses, or if your spouse happens to be your employee.

3. When do I have to pay taxes?

Since you don’t have an employer to withhold payments on your behalf, you have to make payments to Ohio self employment tax on a quarterly basis:

  • April 15th
  • June 15th
  • September 15th
  • January 15th

4. What forms do I need to file taxes?

To make payments to Ohio self employment tax, the federal Form 1040-ES, Estimated Tax for Individuals, is used. It also has a worksheet that helps determine if you’re required to file quarterly estimated tax.

Track 1099 expenses & keep a peace of mind at tax time

Bonsai Tax is built exclusively for self-employed workers to track expenses, maximize tax write-offs, and estimate quarterly taxes.


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