Citable benchmarks
Average ecommerce conversion rate is often ~2–3% (varies widely by industry and traffic mix).
Source: IRP Commerce — Ecommerce Market Data (Jan 2026)
Average ecommerce cart abandonment rate is 70.19%.
Source: Baymard Institute — Cart Abandonment Rate Statistics (2024)
Key takeaways
- Profit Margin Calculator — Gross Margin, Shopify Fees & Product P&L — focus on one metric or lever at a time; validate with data before scaling spend.
- Pair reading with free Growthegy calculators (LTV, ROAS, break-even, pricing) to turn ideas into numbers.
- Bookmark growthegy.com/tools/ and run the Business Strategy Quiz when you need a prioritised roadmap.
What does this calculator cover?
Profit margin work spans gross margin %, gross profit dollars, net margin after Shopify-style fees, and product-level P&L. Pick a mode below—each uses the same underlying economics with different inputs.
All modes are free; no signup.
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Related tools
Pair margin with ROAS, break-even units, and LTV for full unit economics.
Frequently asked questions
What is profit margin vs gross margin?
Gross margin is (Revenue − COGS) ÷ Revenue. Net profit margin also subtracts operating costs, ads, and fees. Use Quick margin for gross %, Shopify fees for platform costs, and Product P&L for SKU-level profit.
How do I use the Shopify fees mode?
It estimates net profit after COGS, Shopify subscription and apps, and payment processing—helpful when you want margin after platform take rate.
Is this profit margin calculator free?
Yes. All modes are free with no signup.