Free St Louis Paycheck Calculator

The salary calculator will help you automatically calculate your annual salary, weekly salary, and also the number of hours you work per week, the frequency of payments, the taxes of the different states where you are located, in addition to showing you the salary breakdown, it will also provide you with charts to access, all you need to do is to fill out the calculator below to get your answer.

All-in-One Paycheck Calculator

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Used to calculate yearly salary if only hourly wage is given How often you receive your paycheck Used to apply state income tax (default flat rate per state) % of income contributed to retirement savings (optional) Health, dental, or other deductions

How We Ensure Your Calculations Are Accurate at HnKey

Verified Data:In order to ensure that the accuracy of our calculations is our main priority, our team frequently checks the tax information, and policies of the IRS to review our calculations in a timely manner.

Regularly Updated:It is important to note that these data, not our guesses, come from official sources such as the IRS and state tax offices.

Disclaimer: This tool is for estimation purposes only and does not constitute financial advice. Please consult a qualified professional for personalized financial guidance.

Understanding your paycheck in St. Louis, Missouri, involves knowing how federal, state, and local taxes are calculated, along with other deductions that impact your take-home pay. This guide provides a clear explanation of the key components affecting your paycheck, including tax calculations and official resources, to help you make sense of your earnings.

Federal Income Tax

Federal income tax is withheld from your paycheck based on your taxable income, filing status (e.g., single, married filing jointly), and the number of allowances claimed on your IRS Form W- IRS uses a progressive tax system, meaning higher income is taxed at higher rates. For 2025, tax brackets range from 10% to 37%, depending on your income level. To estimate your federal tax, your employer calculates your taxable income by subtracting pre-tax deductions (e.g., 401(k) contributions) and applies the appropriate withholding formula provided by the IRS Publication 15-T, Federal Income Tax Withholding Methods, available at https://www.irs.gov/publications/p15t target=”_blank”>IRS website. Completing an accurate W-4 form, accessible at https://www.irs.gov/forms-pubs/about-form-w-4 target=”_blank”>IRS Form W-4, ensures your withholdings align with your tax obligations.

Missouri State Income Tax

Missouri levies a state income tax, with rates for 2025 ranging from to depending on your taxable income. The state uses a graduated system, similar to the federal structure. Your employer withholds state tax based on your Missouri Form MO W-4, which mirrors the amount of state tax withheld from your paycheck. For example, a single filer earning $50,000 annually in 2025 would pay around on a portion of their income, after a standard deduction of $13,850 (subject to annual adjustments). For precise calculations, consult the Missouri’s Department of Revenue at https://dor.mo.gov/taxation/individual/ target=”_blank”>Missouri Department of Revenue. If you work in another state but reside in Missouri, you may need to file a nonresident tax return.

St. Louis Earnings Tax

Residents of St. Louis and nonresidents who work in the city are subject to a 1% earnings tax on income earned within city limits. This tax applies to wages, salaries, commissions, and other compensation. For example, if you earn $50,000 annually working in St. Louis, your employer will deduct $500 per year for this tax. Employers are required to withhold this tax and remit it to the city. For details, including exemptions and refund processes for nonresidents, visit the City of St. Louis Collector of Revenue website at https://www.stlouis-mo.gov/government/departments/collector/earnings-tax/ target=”_blank”>City of St. Louis. If you live outside the city but work in St. Louis, you may be eligible for a partial refund.

FICA Taxes (Social Security and Medicare)

FICA taxes fund Social Security and Medicare. For 2025, Social Security tax is on income up to $168,600 (the wage base limit, adjusted annually), and Medicare tax is on all income, with an additional for high earners (above $200,000 for singles). These taxes are withheld by your employer, who also contributes a matching amount. For example, an annual salary of $50,000 incurs $3,100 in Social Security tax and $725 in Medicare tax. The IRS provides detailed guidance at https://www.irs.gov/taxtopics/tc751 target=”_blank”>IRS Topic No. 751.

Other Deductions

Your paycheck may include additional deductions, such as health insurance premiums, retirement plan contributions (e.g., 401(k) or Missouri’s MOSERS for state employees), and union dues. Pre-tax deductions lower your taxable income, reducing federal and state tax withholdings. Review your pay stub to understand these deductions and consult your HR department for specifics. Missouri’s Department of Labor offers resources on wage laws at https://labor.mo.gov/ target=”_blank”>Missouri Department of Labor.

How to Calculate Your Paycheck

To estimate your take-home pay in St. Louis:

The result is your net pay. For accuracy, use official withholding tables or a reliable paycheck calculator tailored to Missouri and St. Louis regulations.

Official Resources and Tips

– Update your W-4 and MO W-4 annually or after major life events (e.g., marriage, new dependents) to avoid under- or over-withholding.

– Check your pay stub regularly to ensure correct withholdings, especially for the St. Louis earnings tax.

– Use the IRS Tax Withholding Estimator at https://www.irs.gov/individuals/tax-withholding-estimator target=”_blank”>IRS Withholding Estimator to fine-tune federal withholdings.

– Contact the Missouri Department of Revenue or St. Louis Collector of Revenue for tax-related questions.

By understanding these components, you can better manage your finances and ensure your paycheck aligns with your expectations.

The above information is reviewed by our team of tax experts, all of them have an average of about 10 years of experience in the U.S. tax, if you have any questions, you can submit the form to us, our experts will be within 24 hours, reply to you.

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