Many businesses use the Indiana payroll calculator at the top of this page to get employee paychecks right. Just enter wage and W-4 information for each employee and the calculator will do the rest. We also have an Indiana paycheck calculator that can help with the math for hourly employees.
Behind the numbers
Behind the numbers
Updated: February 8, 2025
Indiana payroll calculator figures federal payroll taxes for employers
First of all, let’s take care of Uncle Sam. Let’s use the calculator to see all your employees’ federal withholdings, as well as any additional taxes your business is responsible for paying. Here’s a quick overview of all you need to know about federal income taxes. For a more detailed explanation on all of the steps below, we invite you to head on over to our more comprehensive step-by-step guide.
- Gross wages, which is simply the amount of money an employee has earned during the last pay period.
- For hourly employees, multiply the number of hours worked by their pay rate — and make sure to take overtime into consideration.
- For salaried employees, divide each employee’s annual salary by the number of pay periods you have over the course of a year.
- Don’t forget to add any commissions, tips, or bonuses. They all count toward gross wages.
- Calculate any pre-tax withholdings. If your employees have 401(k) accounts, Flexible Spending Accounts (FSA), Health Savings Accounts (HSA), or any other pre-tax withholdings, subtract them from gross wages because they are exempt from payroll taxes.
- Deduct federal income taxes, which can range from 0% to 37%. We won’t get into the nitty-gritty details here, but you can find all the information you need by checking out the IRS Publication 15-T.
- Deduct and match any FICA taxes to cover Medicare and Social Security taxes:
- For Social Security tax, withhold 6.2% of each employee’s taxable wages until they have earned $176,100 in the 2025 tax year. As an employer, you must match this tax dollar-for-dollar.
- For Medicare tax, withhold 1.45% of each employee’s taxable wages until they have earned $200,000. You must also match this tax. For employees who earn more than $200,000 per year, you need to withhold what’s appropriately called the Additional Medicare Tax (super original, right?). The additional rate is 0.9%, bringing the total employee Medicare withholding above $200,000 to 2.35%. Employers are not responsible for paying the Additional Medicare Tax.
- Pay FUTA unemployment taxes, which is 6% of the first $7,000 of each employee’s taxable income. FUTA comes with one big caveat. You can claim a tax credit of up to 5.4% for state unemployment tax you pay, as long as you pay in full and on time. Only employers are responsible for paying unemployment taxes, so you don’t need to withhold FUTA taxes from your employees’ paychecks.
- Subtract any post-tax deductions. Most of your employees won’t have any post-tax deductions, but you might be asked to withhold court-ordered wage garnishments, child support, etc.
There’s many tools that handle these complex calculations out-of-the-box. If you are looking for a way to automate most of these processes, our guide to choosing payroll software can be helpful.
Indiana state payroll taxes
Now that we’re done with federal taxes, let’s talk about Indiana state taxes, shall we? Indiana state income taxes are pretty straightforward. It’s was a flat tax rate of 3.05% in 2024, a rate that every employee pays and we’ll update this page as soon as the 2025 rate is available. But on top of state income taxes, each county charges its own income tax.
Staying compliant
Most states require employers to carry workers’ comp, including Indiana. Learn how policies work, how this type of coverage protects employees from workplace injuries and illnesses, and what employers should know in our guide to Indiana workers’ compensation insurance.
Indiana state unemployment insurance (SUI)
As an employer in Indiana, you will have to pay the state unemployment insurance (SUI), which ranges from 0.5% to 7.4% on a wage base of $9,500 per employee — this number generally does not change each year. Most new employers pay a flat rate of 2.5%.
Finished using OnPay’s Indiana payroll calculator? Cut those paychecks!
You’re almost at the finish line! Once you’ve calculated each employee’s net pay, you’ll be ready to spread the wealth. Just don’t forget to set aside the FICA, FUTA, and SUI contributions your business is responsible for paying, or else you’ll have a big tax surprise when year-end rolls around. Use Form 941 to file federal taxes quarterly. Use Form 940 to report your annual FUTA tax. You can pay taxes online using the EFTPS payment system. You can find more details about employment tax due dates here.
Do you have employees nearby too? These might be helpful.
Additional Indiana payroll tax resources
If all that wasn’t enough, and you want to learn more about Indiana payroll taxes, here are a couple of websites we suggest you check out:
Indiana Department of Revenue | Withholding Tax Forms | Withholding Taxes | Unemployment | Employer Self Service
InTax | Manage Taxes Online
These rates are based on local legislation and can change at any time. Always consult a tax professional if you are unsure about your obligations.
More helpful payroll calculators for Indiana employers
Employers in Indiana can use the calculator at the top of this page to quickly calculate their employees’ gross pay, net pay, and deductions. But sometimes employers may need to do a little more math before they are ready to cut paychecks. For example, do you occasionally reward your company’s top performers with bonuses? In Uncle Sam’s eyes, these payments are considered supplemental wages and must have taxes withheld. Also, if you have workers who leave from time to time, you may need to spend some time figuring out their last paychecks. So, if you could use a little more help navigating the numbers, check out some of the calculators listed below.