Home office deduction calculator

Claim a share of household costs.

Built and reviewed by Dovanic, Founder and editor, FreeByteLast reviewed: 2026-08-18

Office area (sq ft)

Home area (sq ft)

Yearly home costs

Marginal rate

24%

Deduction

$2,022

Tax saved

$485

With these inputs, deduction comes to $2,022. Tax saved works out to $485. The result assumes marginal rate stays at 24%.

What moves the number · Deduction

Input	−10%	Now	+10%
Office area (sq ft)	$1,820	$2,022	$2,224
Home area (sq ft)	$2,247	$2,022	$1,838
Yearly home costs	$1,820	$2,022	$2,224

Whatmakesequal

Save this set of inputs, change something, then save again to compare the outcomes side by side.

Claim a share of household costs.

With the defaults above, deduction works out at $2,022.