Does Profit Margin % upload my file or text to Tool-You servers?

No. Profit Margin % runs in this browser tab. Files stay on the device. Limit note: Revenue and cost. Zero revenue fails.

Should I use Markup Calculator instead of Profit Margin %?

Use Profit Margin % when you need Profit over revenue as percent. Use Markup Calculator when you need Cost plus a markup percent to retail. They share a category (Finance) but not the same job.

Profit Margin %

Profit over revenue as percent.

Computes (revenue−cost)/revenue as a percent. Unlike Markup Calculator this is margin on sales, not cost-plus. Unlike Simple ROI this needs revenue, not invested capital. Zero revenue fails.

What Profit Margin % does

Computes (revenue−cost)/revenue as a percent. Unlike Markup Calculator this is margin on sales, not cost-plus. Unlike Simple ROI this needs revenue, not invested capital. Zero revenue fails.

The interactive controls for Profit Margin % load after this article so crawlers still read the instructions. Path /finance/profit-margin-pct is the canonical address. Work happens on this device; Tool-You does not take a copy of the file or pasted text for Profit Margin %.

How to use Profit Margin %

Confirm you need Profit Margin %, not Markup Calculator (Cost plus a markup percent to retail.). Address: /finance/profit-margin-pct.
Enter the numbers or dates Profit Margin % uses. Profit over revenue as percent.
Read the result as Profit Margin % defines it — not as Simple ROI (Profit, ROI %, and money multiple.). Computes (revenue−cost)/revenue as a percent. Unlike Markup Calculator this is margin on sales, not cost-plus. Unlike Simple ROI this needs revenue, not invested capital. Zero revenue fails.
Profit Margin % is an estimate in the browser, not professional advice. Revenue and cost. Zero revenue fails.
Need a different formula? Try Simple ROI (Profit, ROI %, and money multiple.) instead of stretching Profit Margin %.

When not to use Profit Margin %

Skip Profit Margin % when a neighbor tool matches better — start with Markup Calculator or Simple ROI — or when the description already warns the job will fail. In the tool’s own words: Computes (revenue−cost)/revenue as a percent. Unlike Markup Calculator this is margin on sales, not cost-plus. Unlike Simple ROI this needs revenue, not invested capital. Zero revenue fails.

Questions about Profit Margin %

What does Profit Margin % do that other Finance pages on this site do not?: Computes (revenue−cost)/revenue as a percent. Unlike Markup Calculator this is margin on sales, not cost-plus. Unlike Simple ROI this needs revenue, not invested capital. Zero revenue fails. Short version: Profit over revenue as percent.
Does Profit Margin % upload my file or text to Tool-You servers?: No. Profit Margin % runs in this browser tab. Files stay on the device. Limit note: Revenue and cost. Zero revenue fails.
Should I use Markup Calculator instead of Profit Margin %?: Use Profit Margin % when you need Profit over revenue as percent. Use Markup Calculator when you need Cost plus a markup percent to retail. They share a category (Finance) but not the same job.
What are the limits of Profit Margin %?: Revenue and cost. Zero revenue fails. Also: Computes (revenue−cost)/revenue as a percent. Unlike Markup Calculator this is margin on sales, not cost-plus. Unlike Simple ROI this needs revenue, not invested capital. Zero revenue fails.