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Home/Free tools/Small Business Landed Cost, Discount Floor & Margin Calculator

%Free local calculation · public tool

Small Business Landed Cost, Discount Floor & Margin Calculator

Test landed cost, break-even price, margin, markup and cost-risk scenarios without uploading business data.

Decision report, not a single number

You will get formula working, three scenarios, balanced evidence, assumptions, risks and an action checklist.

What this tool answers

Calculate landed cost, break-even price, margin and discount risk before publishing a product price.

Limits and next step

This is a planning model, not tax, accounting or market-demand advice.

Official source basis

HMRC — Gross profit rate
HMRC — Margin and mark-up terms

Reviewed 28 August 2026. Check the source again before booking or pricing.

ADVERTISEMENTPlacement 1

Reserved placement; no live ad unit is enabled

Your planning inputs

Price one product or quote

Batch purchase cost (HK$)Units boughtUnsellable / loss rate (%)Batch freight, duty & other costs (HK$)Packaging per sellable unit (HK$)Fulfilment / delivery per unit (HK$)Advertising cost per unit (HK$)Platform fee (%)Fixed transaction fee (HK$)Planned selling price (HK$)Target margin (%)Discount scenario (%)

I understand this is a planning model, not tax or accounting advice.

Private by design

All calculations stay in this browser tab. There is no account, upload, tracker or backend write.

Inputs12

Required scenarios3+

Source review2026-08-05

ADVERTISEMENTPlacement 2

Reserved placement; no live ad unit is enabled

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Calculations run locally in your browser; no form data is sent or stored.

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