Home Office Deduction Calculator

Compare the Simplified Method vs Regular Method for your home office deduction. Find which approach saves you the most on taxes.

2026 Tax Year

For homeowners, enter mortgage interest only (not principal)

Electricity, gas, water, internet, phone

Insurance & Repairs (optional) ▾

Related Tax Calculators

Frequently Asked Questions

Calculation Basis & Sources

Tax Year
2026
Calculation Method
Simplified: $5 × office sq ft (max 300) | Regular: total home expenses × (office sq ft ÷ total home sq ft)
Official Sources
Last Updated
2026-03-08
Sources Verified
Verified against official tax code sources (2026-03-08)

This calculator is for reference only and has no legal effect. Please consult a qualified tax professional for accurate tax filing.