Marketing efficiency ratio (MER)

Total revenue divided by total marketing spend across channels.

By Growthegy Team

Benchmarks

Average ecommerce cart abandonment rate is 70.19%.

Source: Baymard Institute — Cart Abandonment Rate Statistics (2024)

Key takeaways

  • Marketing efficiency ratio (MER) — focus on one metric or lever at a time; validate with data before scaling spend.
  • Pair reading with the Ecommerce Simulator on Growthegy to practice unit economics and decisions before you spend.
  • Bookmark growthegy.com/ecommerce-simulator/ for hands-on scenarios; use the blog for deeper guides.

Definition

Marketing efficiency ratio — Total revenue divided by total marketing spend across channels.

Related tool

Open related calculator or tool · Back to glossary hub

Frequently asked questions

What does this Growthegy article explain?

It covers “Marketing efficiency ratio (MER)” for ecommerce and online business owners: practical definitions, what to measure, and how to apply the ideas — often with the Ecommerce Simulator when numbers clarify the takeaway.

Who should read this guide?

DTC founders, store operators, and marketers who want clear, data-backed growth guidance—without agency jargon.

Where can I practice ecommerce decisions?

Use the Ecommerce Simulator at growthegy.com/ecommerce-simulator/ — turn-by-turn traffic, conversion, margin, and cash flow in your browser. No account required. Browse the blog for related guides.

Get weekly tips

Growth strategies and tool updates in your inbox.

Ready to practice a scenario?

Play a few turns in the Ecommerce Simulator and see how small decisions compound.

Open Ecommerce Simulator