Personal Finance

Home-Office Deduction Calculator

Compare the simplified and regular home-office deduction methods.

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US, 2025, rough estimate — not tax advice. The space must be used regularly and exclusively for business to qualify.

Office Area (sq ft)

Home Area (sq ft)

Annual Home Expenses

Best Deduction

$3,000

Regular method wins

Simplified Method

$1,000

Regular Method

$3,000

Office Percentage

12.5%

Home Expenses

$24,000

Simplified = $5/sq ft (max 300). Regular = office % × home expenses.