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Newsletter Metrics Calculator

The calculator is a single HTML file that runs in your browser without internet. Enter emails sent, bounces, opens, clicks and unsubscribes and read off the rates at once. With optional figures for orders, revenue and costs it also works out cost per click and per order. A second part shows over twelve months how your subscriber list grows with your sign-up and churn numbers. No data is stored or sent.

Product language: German (the templates and guides are written for German-speaking customers).

€9.00 Final price · VAT exempt under § 19 German VAT Act (UStG) – no VAT is charged.

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The calculator with sample values and the calculated rates
Preview: The calculator with sample values and the calculated rates (with sample text, in German)

What’s included

  • calculator as a single HTML file (offline)
  • rates: delivery, open, click, unsubscribe, clicks per open
  • optional: cost per click and per order, revenue per delivered email
  • list growth over 12 months
  • guide (in German)

Technical details

Format
ZIP archive (approx. 5 KB) with HTML files, UTF-8
System requirements
An up-to-date browser (Chrome, Edge, Firefox, Safari). No installation and no internet connection needed.
Product language
German
Version
1.0, November 2026
Delivery
Download link by email, the same or the next working day after payment; valid for 30 days

Licence (right of use)

A simple, perpetual right of use for your own business (all locations and staff). Agencies and freelancers: one purchase per end client. No resale, no passing on the templates as templates. The emails and signatures you send with your own content belong to you. The full licence text (in German) is included as LIZENZ.txt.

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