Home Office Tax Deduction Calculator

Calculate your home office tax deduction using the simplified or regular method. Maximize your self-employment or remote work tax savings.

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sq ft
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Quick Facts

Simplified Method
$5 per sq ft
Maximum 300 sq ft ($1,500)
Regular Method
Actual expenses
Pro-rated by business %
W-2 Employees
Not eligible
Since TCJA 2018
Requirement
Exclusive use
Regular & exclusive for business

Your Results

Calculated
Your Deduction
$0
Simplified method
Tax Savings
$0
At 22% bracket
Business %
0%
150 sq ft

Recommendation

Use the Simplified method for your home office deduction.

*Consult a tax professional for personalized advice. Tax laws change frequently.

Who Can Claim the Home Office Deduction?

  • Self-employed individuals: Yes, if you use space regularly and exclusively for business
  • Employees (W-2): No longer available since the Tax Cuts and Jobs Act (2018)
  • Gig workers: Yes, if filing Schedule C
  • Independent contractors: Yes, with exclusive business use

Simplified vs Regular Method

Feature Simplified Method Regular Method
Calculation $5 per square foot Actual expenses x business %
Maximum Space 300 sq ft No limit
Maximum Deduction $1,500 Limited by income
Depreciation Not allowed Can be claimed
Record Keeping Minimal Detailed records required
Best For Small offices, simple returns Large offices, high expenses

Qualifying for the Deduction

Your home office must meet these requirements:

  • Regular use: You must use the space on a regular basis for business
  • Exclusive use: The space must be used only for business (with limited exceptions for daycare or storage)
  • Principal place of business: Where you conduct substantial business activities or meet clients

Important Notes

This calculator provides estimates only. The actual deduction depends on your specific tax situation, income limitations, and other factors. Always consult a qualified tax professional for personalized advice.

Expenses You Can Deduct (Regular Method)

  • Mortgage interest or rent payments
  • Real estate taxes
  • Utilities (electricity, gas, water, internet)
  • Homeowners or renters insurance
  • Repairs and maintenance
  • Depreciation of your home
  • Security system costs

Frequently Asked Questions

How accurate are the results?
The Home Office Tax Deduction applies a standard formula to your inputs — accuracy depends on how precisely you measure those inputs. For planning and estimation, results are reliable. For high-stakes or professional decisions, cross-check the output with a domain expert or primary source.
What inputs have the biggest effect on the result?
In most financial calculations, the variables with the highest sensitivity are the rate (interest, return, or tax) and time. Try adjusting each by 10-20% to see which one moves the output most — that's where your energy in improving the input estimate is best spent.
How should I interpret the Home Office Tax Deduction output?
The result is a calculated estimate based on the formula and your inputs. Compare it against the reference values or benchmarks shown on this page to understand whether your result is high, low, or typical. For decisions with real consequences, use the output as one data point alongside direct measurement and professional advice.
When should I use a different approach?
Use this calculator for quick, formula-based estimates. If your situation involves multiple interacting variables, time-varying inputs, or safety-critical decisions, consider a dedicated software tool, professional consultation, or direct measurement. Calculators are most reliable within their stated assumptions — check that your scenario matches those assumptions before relying on the output.