Free freelancer tool · 2026 estimate

Home office deduction calculator

Compare the simplified method with a basic regular-method estimate. Your inputs stay in this browser; nothing is uploaded.

Exclusive business-use area (sq. ft.) The space must generally be used regularly and exclusively for business. Total home area (sq. ft.) Used to calculate the regular-method business percentage. Rent or mortgage interest ($/year) Property tax ($/year) Utilities and internet ($/year) Home insurance ($/year) Shared repairs and maintenance ($/year) Direct office-only expenses ($/year) For example, painting or repairs limited to the office.

2026 caveat: The simplified method is generally $5 per square foot, capped at 300 square feet ($1,500). The regular method can involve depreciation and additional limitations, and renters/homeowners may have different eligible costs. IRS rules and state treatment can change.

Home office deduction calculator

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