Net profit per order
Stacks multiple fee layers like real P&L—not a single multiply. Clone per SKU bundle or add returns % when you extend this in Calclet.
Example scenario
A Shopify storefront captures fifty-four dollars and ninety-nine cents average selling price excluding checkout sales tax while landed supplier invoices net tariffs toward fourteen dollars and fifty cents before fulfillment warehouse picking fees consolidated upstream. Free-shipping subsidization averages six dollars absorbed when blended-rate carriers quote zones exceeding promotional thresholds—Stripe interchange-plus stacks roughly two point nine percent against gross checkout tender translating toward about one dollar and sixty cents processor drag—Meta Advantage-plus attributed blended acquisition floats near eleven dollars twenty-five cents blended CPA when dividing weekly spend by Shopify-attributed order counts. Netting those line items leaves contribution per order near twenty-one dollars and sixty-five cents with roughly thirty-nine point four percent margin on headline selling price before allocating warehouse SaaS subscriptions counted centrally.
Net profit per order
After COGS, shipping aid, fees, and ads
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How to calculate dropshipping contribution per order after stacked costs
- Enter selling price net of VAT only when modeling EU storefronts—keep USD parity consistent with processor settlement currency.
- Load landed product cost inclusive of supplier invoices, inspection QC fails you expense per SKU, and inbound freight allocations buyers negotiated.
- Input shipping subsidy matching subsidized labels exceeding customer-paid postage—split dimensional-weight surcharges when carriers rebill weekly.
- Slide processing fee percentage from merchant acquirer statements—subtract blended ad cost per order after dividing platform spend by Shopify-attributed conversions rather than click totals alone.
Fee-stack realism dropshipping operators benchmark quietly
- Payment-processing dispersion
- Shop Pay versus branded networks swing interchange buckets materially—model blended fee percentages off trailing merchant statements instead of advertised teaser rates
- Landed cost completeness
- AliExpress parity ignores sudden tariff shifts—refresh supplier quotes weekly when customs regimes oscillate headlines
- Blended ad CPA volatility
- Creative fatigue spikes acquisition dollars faster than price tests recover margin—pair CPA denominators with incrementality studies before trusting Meta dashboards alone
Best use cases
- Forecasting and scenario planning
- Client education and pre-qualification
- Budget and performance decision support
Frequently asked questions
Should processing fees apply to gross sale price before discounts?
Usually yes—processors assess tender on captured authorization totals—stack promo codes before recomputing fee dollars unless counsel advises otherwise.
Where do return-processing fees belong?
Outside this skeleton unless you convert average return probability into per-order reserves layered atop contribution math manually.
Why keep ad cost per order blended instead of platform-specific?
Because omnichannel funnels overlap—when isolating Meta versus TikTok, rerun calculator separately per channel cohort finance recognizes.
Does margin on selling price equal contribution margin for finance?
Only when definition excludes fixed overhead—still subtract corporate SG&A and tooling subscriptions downstream before EBITDA comparisons.
Glossary
Scenario modeling
Testing multiple assumptions to estimate possible outcomes before execution.
Commercial intent
User behavior indicating readiness to buy, subscribe, or request a quote.
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Category: Ecommerce fulfillment & dropshipping unit economicsTopics: Dropshipping contribution margin, Order-level profitability, Merchant fee stack
Last reviewed: 2026-05-07
Reviewed by: Calclet Growth Team