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Good ROAS benchmarks for ecommerce campaigns

2026-05-21 12:15 · Paid Marketing

Good ROAS benchmarks for ecommerce campaigns

A good ROAS depends on margin, product cost, repeat purchase, and channel mix, not only ad platform revenue.

A good ROAS benchmark is not one fixed number for every ecommerce campaign.

ROAS means revenue divided by ad spend. A 4.0 ROAS means the campaign produced 4 in revenue for every 1 spent on ads. That sounds useful, but it is incomplete unless margin is known.

Example: A store with 70% gross margin may be comfortable at a lower ROAS than a store with 30% gross margin. The second store needs more revenue per ad dollar because product cost, shipping, and fees leave less room.

Benchmarks should also separate prospecting, retargeting, branded search, non-branded search, and repeat customer campaigns. Retargeting often looks stronger because it reaches warmer buyers, while prospecting carries more new customer acquisition work.

Use the ROAS Calculator at /tools/roas-calculator, then compare with MER at /tools/mer-calculator and Profit Margin at /tools/profit-margin-calculator before deciding whether a ROAS target is healthy.
ROAS ecommerce Paid Marketing

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Useful tools

Tool

ROAS Calculator

Calculate return on ad spend from ad revenue and campaign spend, then see how much revenue each dollar of advertising produced.

Tool

MER Calculator

Calculate marketing efficiency ratio from total revenue and total marketing spend for blended paid marketing performance.

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Ad Spend Calculator

Estimate ad spend and daily budget from target revenue, target ROAS, and campaign length.

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AOV Calculator

Calculate average order value from total revenue and number of orders for ecommerce, ads, and store performance reporting.

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ROI Calculator

Calculate ROI percentage and net return from revenue and investment cost.