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IRS Form 8829 Engine

Home Office Tax Deduction Calculator

Compare the simplified $5/sq ft deduction vs tracking actual home bills to maximize your tax savings.

IRS Form 8829 & Simplified Option Exclusive & Regular Use

Home Office Tax Deduction Calculator (Simplified vs Actual)

Find out whether claiming the simplified $5/sq ft rate or tracking actual home bills yields a bigger write-off.

Presets:

1. Workspace Dimensions

Office Percentage of Home:13.3%

2. Annual Household Operating Expenses

$28800/yr
Recommended Tax Deduction
$4,699
Actual Expenses Win

+$3,699 higher deduction

Estimated Cash Tax Savings

In ~24% income tax bracket

$1,128

1. Simplified Method

$1,000

200 sq ft × $5 (Max 300 sq ft)

2. Actual Expenses

$4,699

13.3% of $35,240

IRS "Exclusive Use" Rule

The designated home office space must be used exclusively and regularly as your principal place of business. Guest rooms or dining tables with dual personal use do not qualify.

Frequently Asked Questions

The Simplified Method allows a standard deduction of $5 per square foot of dedicated workspace, up to a maximum of 300 square feet ($1,500 maximum annual deduction).

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