How is federal income tax calculated on a paycheck?

Federal income tax uses progressive brackets. For 2025, single filers pay 10% on income up to $11,925, 12% up to $48,475, 22% up to $103,350, 24% up to $197,300, and higher rates above that. Only the income within each bracket is taxed at that rate.

What is FICA tax on my paycheck?

FICA consists of Social Security tax (6.2% on wages up to $176,100 in 2025) and Medicare tax (1.45% on all wages). Your employer matches these amounts. High earners also pay an additional 0.9% Medicare surtax on wages over $200,000.

How does a 401k contribution reduce my taxes?

Traditional 401k contributions are pre-tax, reducing your taxable income dollar-for-dollar. If you contribute $5,000/year and are in the 22% bracket, you save $1,100 in federal taxes. The 2025 contribution limit is $23,500 ($31,000 if 50+).

What is the difference between gross pay and net pay?

Gross pay is your total earnings before deductions. Net pay (take-home pay) is what remains after federal tax, state tax, FICA, and pre-tax deductions like 401k and health insurance are withheld.

How does pay frequency affect my paycheck amount?

Pay frequency doesn't change your annual salary but does affect withholding. Biweekly (26 paychecks/year) is most common. Semi-monthly (24/year) and weekly (52/year) are also common. Monthly produces the largest individual paychecks.

Why does my state tax rate vary so much?

State income tax rates vary widely. Some states like Texas and Florida have no income tax. Others like California have rates up to 13.3%. Most states use flat or progressive rates between 3-7%. This calculator uses simplified flat-rate approximations for the top 10 states.

Missouri Paycheck Calculator — Updated 2026

State abbreviation: MO

Your paycheck in Missouri is subject to federal income tax withholding, FICA taxes (Social Security and Medicare), and state income tax of 5.3%. Additionally, some municipalities impose local income taxes. This calculator helps you understand your take-home pay.

Paycheck Calculator — Calculate Your Net Take-Home Pay

Calculate your exact net paycheck after federal tax, state tax, FICA, and pre-tax deductions.

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Annual Gross Salary

Pay Frequency

Filing Status

State

Annual 401k Contribution

Annual Health Insurance Premium

Your Results

Net Pay (Per Paycheck): $2,226(positive trend)

Net Pay (Annual): $57,873(positive trend)

Gross Per Paycheck: $2,885

Annual Pay Breakdown

Gross Pay (per paycheck)	$2,885
Federal Income Tax	-$277
State Income Tax	-$0
FICA (SS + Medicare)	-$221
Pre-Tax Deductions	-$162
Net Take-Home Pay	$2,226

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How This Calculator Works

Net Pay = Gross Pay − Federal Tax − State Tax − FICA − Pre-Tax Deductions

Federal tax uses 2025 progressive brackets after standard deduction ($15,000 single / $30,000 married). FICA = Social Security (6.2% up to $176,100) + Medicare (1.45% + 0.9% surtax above $200k). State tax uses simplified flat-rate approximations.

Frequently Asked Questions

Tax Bracket Calculator

2025 federal tax brackets

Self-Employment Tax Calculator

SE tax breakdown

Pay Raise Impact Calculator

After-tax impact of a raise

Calculations are for educational purposes only. Consult a qualified financial advisor for personalized advice.

Missouri Financial Data (2026)

State Tax Rate: 5.3%
Property Tax Rate: 0.97%
Median Home Price: $295,000
Avg Insurance Cost: $1,440/year
Cost of Living Index: 90
State Abbreviation: MO

Missouri Paycheck Calculator — Updated 2026

Paycheck Calculator — Calculate Your Net Take-Home Pay

Annual Pay Breakdown

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How This Calculator Works

Frequently Asked Questions

Learn More

Paycheck Breakdown Guide: Understanding Federal Tax, FICA, and Deductions

401k and Pre-Tax Benefits: How to Save Taxes and Maximize Take-Home Pay

Tax Bracket Guide: How Your Salary Affects Your Tax Rate and Take-Home Pay

More Calculators

Calculate for Neighboring States

Paycheck Calculator by State

Missouri Financial Data (2026)

Paycheck Calculator — Calculate Your Net Take-Home Pay

Annual Pay Breakdown

Get Your Tax & Income Summary

Continue Your Journey

How This Calculator Works

Frequently Asked Questions

Learn More

Paycheck Breakdown Guide: Understanding Federal Tax, FICA, and Deductions

401k and Pre-Tax Benefits: How to Save Taxes and Maximize Take-Home Pay

Tax Bracket Guide: How Your Salary Affects Your Tax Rate and Take-Home Pay