Rodan · Ecommerce acquisition tool

Where is your Shopify margin leaking?

Score the indicative monthly gap between reported product margin and true contribution. Ads, payment fees, shipping subsidies, returns, missing COGS and marketplace fees, in one pass.

Calculate leakage Ecommerce governance overlay

Indicative only. Figures stay in your browser. We never send financial inputs to analytics. About 90 seconds.

Calculator

Your monthly inputs

Use recent averages. Leave marketplace fields at zero if you sell Shopify-only.

Monthly net revenue (£) 1 to 50,000,000

Gross margin % 0 to 90

Monthly ad spend (£) 0 upward

Payment fee % 0 to 5 · default 2.2

Shipping cost overage (£/month) Subsidies and under-recovery

Returns rate % 0 to 50

Missing COGS share of SKUs % 0 to 100

Marketplace fee % of marketplace revenue 0 to 30 · optional

Marketplace revenue share % of total 0 to 100 · optional