ROAS calculator

Revenue per dollar of advertising.

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

Ad spend

Revenue attributed

Gross margin

55%

ROAS

4.00x

Profit after ad spend

$14,400

With these inputs, ROAS comes to 4.00x. Profit after ad spend works out to $14,400.

What moves the number · ROAS

Input	−10%	Now	+10%
Ad spend	4.44x	4.00x	3.64x
Revenue attributed	3.60x	4.00x	4.40x

Whatmakesequal

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

Revenue per dollar of advertising.

With the defaults above, roas works out at 4.00x.