ROAS & Marketing ROI Calculator

Compute Return on Ad Spend, CAC, break-even, and target CPA from your numbers.

Revenue from this campaign ($)

Ad spend ($)

Gross margin %

Target ROAS (e.g. 4×)

Target CPA (e.g. $40)

ROAS

6.25×

MER (rev / spend)

16.0%

Contribution after ads

$22,000

Break-even ROAS

1.67×

Reached 4.0× at this revenue

→ spend ≤ $12,500

Conversions needed for CPA ≤ $40

200

Actual CPA at that count

$40

On target (ROAS 6.25× vs 4.0× goal) — scaled.

About this tool

Type revenue, ad spend, gross margin, and a target ROAS or target CPA. Get the actual ROAS %, CAC, profit margin after ads, the break-even ROAS to break even on the campaign, and recommended bidding strategies. The r/marketing and r/PPC recurring 'what's a good ROAS' answer.

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