Home Office Deduction Calculator

What is the home office deduction?

The home office deduction lets self-employed people who work from home write off a portion of their housing costs on their taxes. If you’re a freelancer, independent contractor, or small business owner who uses part of your home for business, you can deduct a share of expenses like rent, utilities, home insurance, and maintenance. But there’s a catch: W-2 employees aren’t eligible, even if they work from home full time. The home office deduction is a business deduction, so you can only write it off if you’re considered self-employed.

Who qualifies?

To claim the home office deduction, your workspace has to pass two tests:

• Regular and exclusive use. The space must be used only for work. A desk in your living room, for example, could be a valid deduction, but your kitchen table, which you also eat at, isn’t.
• Principal place of business. Your home office should be the main place you do your work. You can still conduct some business outside the home (meeting clients, business meals) and qualify.

Your workspace doesn’t need to be a separate room. A dedicated desk and chair in a corner of your bedroom is fine, as long as it’s reserved for business.

The two methods: simplified vs. actual expenses

There are two ways to calculate the deduction, and you can switch between them from year to year (but not within the same tax year).

Simplified method

With the simplified method, multiply the square footage of your home office by $5 per square foot, up to a maximum of 300 square feet. That caps the deduction at $1,500 a year, and you claim it on line 30 of Schedule C. It’s quick, but it doesn’t account for your actual housing costs, and you can’t separately deduct depreciation.

Actual expenses (regular) method

With this method, just add up your actual home expenses, then multiply it by your business-use percentage: the share of your home taken up by your office. (An 80 sq ft office in an 800 sq ft apartment = 10%.) You report this on Form 8829. One thing to consider is that expenses fall into two buckets:

• Direct expenses: used only for the office (office furniture, a dedicated work computer, painting the office). These are 100% deductible.
• Indirect expenses: whole-home costs like rent, utilities, and home insurance. You deduct your business-use percentage of these.

Two bonuses the simplified method doesn’t offer: you can carry over any unused deduction to a future year, and you can deduct home depreciation. For a deeper comparison, see our guide on whether to use the simplified home office deduction.

Which method saves more?

Across thousands of Keeper users, we typically see the actual expenses method end up saving more in taxes. Here are a few scenarios:

• Urban renter (small office, $800/mo rent): $500 simplified vs. $1,938 with actual expenses.
• Suburban homeowner ($200,000 home): $500 vs. $1,481.
• Rural homeowner (300 sq ft office, $150,000 home): $1,500 vs. $1,664.

Even the rural homeowner who maxes out the simplified cap still comes out ahead with actual expenses. The simplified method has a hard $1,500 ceiling; the regular method doesn’t. The downside of the actual method is recordkeeping — but apps like Keeper automate it by scanning your accounts for home-related expenses, so it’s no longer the hassle it used to be. You can also track everything by hand with our free home office deduction worksheet.

How to claim the home office deduction

If you use the simplified method, you report it directly on Schedule C. If you use the actual expenses method, you first calculate the deduction on Form 8829 and then carry the total over to your Schedule C. Either way, the deduction reduces your self-employment income, which lowers both your income tax and your self-employment tax.

Be sure to visit Keeper’s Free Resources page for more tips and free tools, or download our app for more freelance-friendly tax insights.