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Salary Planning7 min read

How to Calculate Your Take-Home Pay: Step-by-Step Guide for 2025

Learn exactly how to calculate your take-home pay from gross salary. Understand federal tax, state tax, FICA, and deductions with real examples and a free calculator.

By TakeHomeCompare Team

What Is Take-Home Pay?

Take-home pay (also called "net pay") is the actual money that hits your bank account after all deductions. It's not your salary or "gross pay."

The formula:

Take-Home Pay = Gross Pay - (Taxes + Pre-Tax Deductions + Post-Tax Deductions)

Most people are surprised when they realize their advertised salary isn't what they'll actually receive.

Why Your Salary ≠ Your Take-Home Pay

Let's start with a reality check. If you're offered $100,000/year, here's what you might actually take home:

Example: $100K salary in California (Single filer)

  • Gross annual salary: $100,000
  • Federal income tax: ~$14,260
  • California state tax: ~$4,600
  • Social Security (FICA): $6,200
  • Medicare: $1,450
  • Take-home pay: ~$73,490/year or $6,124/month

You're losing 26.5% of your gross salary to taxes alone. And we haven't even included 401(k) contributions, health insurance, or other deductions.

Calculate your exact take-home pay now →

Step-by-Step: Calculate Your Take-Home Pay

Step 1: Start with Gross Annual Salary

This is the number in your offer letter or employment contract.

Example: $100,000/year

Step 2: Subtract Pre-Tax Deductions

These reduce your taxable income before taxes are calculated:

Common pre-tax deductions:

  • 401(k) contributions: Up to $23,000 in 2025
  • Traditional IRA: Up to $7,000 in 2025
  • HSA (Health Savings Account): $4,150 (individual) or $8,300 (family)
  • FSA (Flexible Spending Account): Up to $3,200
  • Health insurance premiums: Varies by plan
  • Commuter benefits: Up to $315/month for transit

Example calculation:

  • Gross salary: $100,000
  • 401(k) contribution (10%): -$10,000
  • HSA contribution: -$4,150
  • Health insurance: -$1,200/year
  • Taxable income: $84,650

Why this matters: Every dollar you contribute pre-tax saves you money on taxes. That $10,000 in 401(k) saves you ~$2,200-2,800 in taxes (22-28% bracket).

Step 3: Calculate Federal Income Tax

Federal income tax uses a progressive bracket system. You don't pay one flat rate - different portions of your income are taxed at different rates.

2025 Federal Tax Brackets (Single Filer):

  • 10% on income up to $11,600
  • 12% on income $11,601 to $47,150
  • 22% on income $47,151 to $100,525
  • 24% on income $100,526 to $191,950
  • 32% on income $191,951 to $243,725
  • 35% on income $243,726 to $609,350
  • 37% on income over $609,350

How to calculate:

For our $84,650 taxable income example:

  1. First $11,600 at 10% = $1,160
  2. Next $35,550 ($47,150 - $11,600) at 12% = $4,266
  3. Remaining $37,500 ($84,650 - $47,150) at 22% = $8,250
  4. Total federal tax: $13,676

Pro tip: Your "marginal rate" (22%) is different from your "effective rate" (16.2%). The marginal rate is what you pay on your last dollar earned.

Step 4: Calculate State Income Tax

This varies dramatically by state.

9 states with NO income tax:

  • Alaska, Florida, Nevada, New Hampshire*, South Dakota, Tennessee, Texas, Washington*, Wyoming
  • (*NH taxes interest/dividends; WA has capital gains tax)

States with FLAT tax rates:

  • Colorado: 4.40%
  • Illinois: 4.95%
  • Indiana: 3.05%
  • Michigan: 4.25%
  • And others...

States with PROGRESSIVE rates (like California):

  • California: 1% to 13.3%
  • New York: 4% to 10.9%
  • Hawaii: 1.4% to 11%

Example for California (progressive): On $84,650 taxable income:

  • State tax: ~$4,200

Example for Texas (no income tax):

  • State tax: $0

The difference: Texas saves you $4,200/year in this example! See your state →

Step 5: Calculate FICA Taxes

FICA = Social Security + Medicare. Everyone pays these, regardless of state.

2025 FICA Rates:

  • Social Security: 6.2% on first $168,600 of income
  • Medicare: 1.45% on all income
  • Additional Medicare Tax: 0.9% on income over $200,000 (single) or $250,000 (married)

Example on $100K gross:

  • Social Security: $100,000 × 6.2% = $6,200
  • Medicare: $100,000 × 1.45% = $1,450
  • Total FICA: $7,650

Note: If you're self-employed, you pay DOUBLE (employer + employee portion) = 15.3% total.

Step 6: Calculate Local/City Taxes (If Applicable)

Some cities and counties charge income tax:

Cities with local income tax:

  • New York City: 3.078% to 3.876%
  • Philadelphia, PA: 3.75%
  • Detroit, MI: 2.4%
  • Cleveland, OH: 2.5%
  • Baltimore, MD: 3.2%
  • And 14+ other cities

Example: NYC resident On $100K salary, add ~$3,800 in city tax.

Step 7: Subtract Post-Tax Deductions

These come out after taxes are calculated:

Common post-tax deductions:

  • Roth 401(k) contributions
  • Roth IRA contributions (done outside payroll usually)
  • Disability insurance premiums
  • Life insurance
  • Union dues
  • Parking fees (if not pre-tax)
  • Wage garnishments

Example:

  • Additional life insurance: $50/month = $600/year
  • Parking: $100/month = $1,200/year
  • Total post-tax deductions: $1,800/year

Step 8: Calculate Final Take-Home Pay

Putting it all together:

Starting point: $100,000 gross salary (California, single filer)

Pre-tax deductions:

  • 401(k): -$10,000
  • HSA: -$4,150
  • Health insurance: -$1,200
  • Taxable income: $84,650

Taxes:

  • Federal income tax: -$13,676
  • California state tax: -$4,200
  • Social Security: -$6,200
  • Medicare: -$1,450
  • Total taxes: -$25,526

Post-tax deductions:

  • Life insurance: -$600
  • Parking: -$1,200
  • Total post-tax: -$1,800

Final calculation: $100,000 - $10,000 - $4,150 - $1,200 - $25,526 - $1,800 = $57,324/year

Monthly take-home: $57,324 ÷ 12 = $4,777/month

Your $100K salary becomes $4,777/month in reality.

Real Examples by State

Same $100K salary, different states:

Example 1: California (High Tax)

  • Federal + FICA: -$21,326
  • California state: -$4,200
  • Pre-tax deductions: -$15,350
  • Take-home: ~$59,124/year ($4,927/month)

Example 2: Texas (No State Tax)

  • Federal + FICA: -$21,326
  • State tax: $0
  • Pre-tax deductions: -$15,350
  • Take-home: ~$63,324/year ($5,277/month)

Example 3: New York (High Tax + NYC)

  • Federal + FICA: -$21,326
  • New York state: -$4,800
  • NYC city tax: -$3,800
  • Pre-tax deductions: -$15,350
  • Take-home: ~$54,724/year ($4,560/month)

The difference: Texas vs NYC = $717/month more ($8,600/year) on the same $100K salary!

Compare all 50 states now →

Common Mistakes People Make

Mistake 1: Forgetting About Medicare

People remember to account for Social Security (6.2%) but forget Medicare (1.45%). That's an extra $1,450 on $100K.

Mistake 2: Using Old Tax Brackets

Tax brackets change annually. Always use current year rates (2025 in this example).

Mistake 3: Not Accounting for Local Taxes

If you work in NYC, Philadelphia, Detroit, or other cities with local tax, you're losing another 2-4% you might not expect.

Mistake 4: Confusing Marginal vs Effective Tax Rate

Your top bracket (marginal rate) isn't what you pay on all your income. On $100K, you might be in the 22% bracket, but your effective rate is only ~16%.

Mistake 5: Ignoring Pre-Tax Savings Benefits

Every $1 you put in 401(k)/HSA saves you $0.22-0.37 in taxes (depending on your bracket). It's not just savings - it's instant ROI.

How to Increase Your Take-Home Pay

Strategy 1: Maximize Pre-Tax Contributions

  • Max out 401(k): $23,000 in 2025
  • Use HSA if eligible: $4,150 (individual)
  • Contribute to FSA: $3,200 for healthcare

Tax savings on $100K salary:

  • Contributing $27,150 to pre-tax accounts
  • Saves you ~$5,974 in federal taxes (22% bracket)
  • Plus state tax savings of ~$1,357 (CA)
  • Total tax reduction: $7,331

You're paying $7,331 less in taxes while saving $27,150 for retirement/healthcare!

Strategy 2: Move to a Lower-Tax State

We showed this above: Texas saves you $4,200/year vs California.

Over 10 years, that's $42,000 more in your pocket (same job, same salary).

Strategy 3: Optimize Your Filing Status

  • Married Filing Jointly: Lower tax rates than single
  • Head of Household: Better than single if you qualify
  • Adjust W-4 withholdings: Get more per paycheck (but be careful of tax bill at year-end)

Strategy 4: Increase Your Gross Salary

Obviously, but how much do you need to increase to hit your take-home goal?

Example: You want $6,000/month take-home (California)

  • After taxes (~27%), you need $8,219 gross/month
  • Annual salary needed: ~$98,630

Use this formula:

Desired Take-Home ÷ (1 - Tax Rate %) = Required Gross

Strategy 5: Negotiate Benefits, Not Just Salary

Sometimes benefits are worth more than salary increases:

Example:

  • $5,000 salary increase = ~$3,650 after taxes
  • $5,000 in employer 401(k) match = full $5,000 value (no taxes now)
  • $3,000 in HSA employer contribution = full $3,000 + tax savings

Use a Calculator (Save Hours of Math)

Calculating take-home pay manually takes 30+ minutes and requires:

  • Knowledge of current tax brackets
  • State-specific tax rules
  • FICA limits and thresholds
  • Local tax rates
  • Proper marginal vs effective rate calculations

The easier way: Use our free calculator

Enter your:

  • Salary
  • State
  • Filing status
  • Deductions

Get instant results showing:

  • Monthly take-home pay
  • Annual net income
  • Effective tax rate
  • Breakdown of all deductions
  • Comparison to other states

Try it now - it's free →

Key Takeaways

Your gross salary ≠ your take-home pay. Expect to lose 20-35% to taxes and deductions.

State matters hugely. Same $100K salary = $717/month difference between Texas and NYC.

Pre-tax deductions are powerful. Every $1 in 401(k)/HSA saves you $0.22-0.37 in taxes.

Know your effective rate. Your top tax bracket isn't what you pay on all income.

Local taxes exist. 14+ cities charge 2-4% income tax on top of state/federal.

Use tools to save time. Calculating manually is complex and error-prone.

Conclusion

Understanding your take-home pay is critical for:

  • Budgeting: Know your actual monthly income
  • Job offers: Compare real compensation, not just gross salary
  • Relocation: See how much moving could save you
  • Retirement planning: Understand what you'll actually receive
  • Salary negotiation: Ask for the right gross to hit your net goal

The math can be complex, but the concept is simple: know what you'll actually take home before making major financial decisions.

Next step: Calculate your exact take-home pay across all 50 states →

Compare your current state to potential new states and see exactly how much you'd gain or lose. It's free, takes 30 seconds, and might save you thousands per year.

Ready to Calculate Your Take-Home Pay?

Use our free calculator to compare take-home pay across all 50 US states.

Try Calculator Now →

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