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Free profit margin calculator for products and services.
Work out the true profit on what you sell: VAT, landed cost, margin, break-even and safe discounts, all in your browser.
- No signup or cloud account.
- VAT, GST, sales tax, margin, markup and landed cost.
- Six presets: importer, ecommerce, manufactured, wholesale, service, agency.
- Minimum price and safe discount worked out for you.
- Wholesale tiers and competitor comparison.
- Saved on this device, not in the cloud.
- Download a backup file and restore it any time.
- Printable A4 report with cost breakdown and warnings.
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Disclaimer: The Profit Margin Analyzer performs operational pricing calculations from the values you enter. It does not provide financial, tax, accounting, customs or investment advice. Confirm tax, customs and accounting treatment with a qualified professional.
What is the free Profit Margin Calculator?
A free browser tool that calculates true product or service profitability. VAT, GST, sales tax, landed cost on imports, margin vs markup, minimum viable selling price (variable-fee aware), maximum safe discount, break-even, wholesale tiers, competitor comparison and scenario simulation. Records stay in your browser; nothing is uploaded. Built for business owners who price products, run ecommerce stores, import from abroad, or quote services. Updated 2026-05-13.
Mistakes this tool catches
The kind of pricing errors that quietly bleed profit out of small businesses every month.
What to check before you set a price
- Are you quoting margin when you mean markup, or the other way round? A 50% markup is only a 33% margin.
- Have you folded in gateway and marketplace fees? 2.9% gateway plus 10% marketplace plus 5% returns is 17.9% gone before margin.
- On an import, have you added FX, customs duty and import tax, not just the supplier price?
- Do you know the largest discount you can give and still hit your target margin?
- If you matched a competitor’s price today, would you still make money?
- Do any of your wholesale or bulk tiers fall below your minimum acceptable margin?
The analyzer runs all six checks on the numbers you enter and flags anything that puts your margin at risk.
Calculate true profitability in 7 steps
Same flow whether you are pricing one item, an imported lot, or a service quote.
- Open the analyzer.Open the tool in any modern browser. No account, no signup. Your pricing data stays on your device.
- Pick a business type.Choose general, imported product, ecommerce, manufactured, wholesale, service, or agency. Each preset loads sensible default cost lines.
- Enter your costs.Add cost lines: supplier, freight, duty, packaging, labour, gateway %, marketplace %, returns. Mark per-unit, fixed, or % of selling price as appropriate.
- Set tax region and registration.Choose South Africa VAT, UK VAT, US sales tax, Australia GST, or a custom tax setup. Mark whether you are registered so input tax and sales tax are treated correctly.
- Drive the price.Enter a target margin, target markup, or an explicit selling price (ex or inc tax). The other fields auto-compute.
- Test scenarios.What if the supplier raises prices 12%? What if you discount 15%? What if the exchange rate moves? Compare baseline vs scenario in real time.
- Print the report.Use the Report tab to print a professional A4 PDF with cost breakdown, landed cost, competitors, tiers, break-even, warnings and disclaimer.
When you need more than a browser pricing tool.
This free tool covers single-product or single-service pricing on one device. When you need multi-user pricing approvals, an audit trail, integrations with billing and inventory, and recurring price updates, you need a custom platform.
- BX1X business operationsA broader platform for billing, bookings, CRM, inventory, accounting, pricing and connected workflows.
- Custom platform applicationsPricing, billing, CRM and audit trails, built around your specific business workflows.
- Built as a single page appBrowser-only. Your tool data stays in your browser. Built for micro to large businesses.
- Single page app developer in South AfricaRemote delivery across South Africa, in rand. Browser-only, API-connected and embedded app work.
For your technical person
How the profit margin analyzer is built
- A browser-only single page app (React). Pricing projects live in IndexedDB and localStorage; nothing is sent to a server.
- Script-driven: pure formula functions and configurable warning rules. No AI, no API calls, no external lookups.
- Full JSON export and import per project or as a full backup, for moving between devices or browsers.
- The A4 report comes from the browser’s print dialog; there is no server-side PDF step.
- The standalone full-screen version is at /tools/profit-margin-app (not indexed).
Questions owners ask.
Is this profit margin calculator free?
Yes. It is a free, no-signup browser tool. There is no trial, no paywall, and no account.
Is my data uploaded?
No. Your pricing projects are stored locally in your browser using IndexedDB and localStorage. Nothing is sent to a server. Use the Backup tab to export your data as JSON.
What is the difference between markup and margin?
Markup is profit as a percentage of cost. Margin is profit as a percentage of selling price. A 50% markup on a 100 cost gives a 150 selling price, but the margin on that price is only 33.3%.
Which countries and tax systems does it support?
The calculator includes presets for South Africa VAT, United Kingdom VAT, United States sales tax, Australia GST, and an Other / custom option. The maths is region-agnostic: the tax region controls labels, default rates, and registration wording.
Does it handle landed cost on imports?
Yes. Set the supplier currency and unit cost, exchange rate, customs duty %, import tax rate, and any import-tax uplift. The analyzer converts to local currency, applies duty, and treats import tax as cost or claimable depending on registration.
Does it handle break-even?
Yes. Enter the monthly fixed-cost share this product or service must cover. The analyzer calculates break-even units, break-even revenue, expected monthly contribution, monthly surplus or shortfall, and overhead coverage.
Can I compare against competitor prices?
Yes. Enter competitor tax-inclusive prices and the analyzer shows the gap and what your margin would be if you matched them, with a warning if matching would put you at a loss.
Does it support wholesale tiers?
Yes. Build tiered pricing tables (for example retail, small wholesale, distributor, bulk). Margin is recalculated per tier and tiers below your minimum margin are flagged.
Does it run any AI?
No. The analyzer is script-driven: pure formula functions and configurable warning rules. No AI, no API calls, no external lookups.
Does it provide tax or financial advice?
No. This is operational pricing maths only. Confirm tax, customs, and accounting treatment with a qualified professional.
Can I export and import projects?
Yes. Export a single project or all projects as JSON. Import on another device or after clearing browser data. Schema versioning is included for future migrations.
Need a pricing-to-billing pipeline? Tell me the problem.
+27 87 150 9305Monday to Friday, 09:00 to 20:00 SAST. Or email info@antondevilliers.com.