Two browser-local calculators
Show the work behind the number.
Check the math, label the source, and keep the limit visible. Everything runs in your browser without an account or upload.
Scope
One decision at a time
Privacy
Nothing uploaded
Output
Definitions stay attached
Tool index
Choose the question you need to answer.
01Newsletter
Newsletter List Value Calculator
Estimate what one month of newsletter promotion could produce from your list size, click rate, conversion rate, and offer price. The formula and its limits stay attached to the result.
Built to check
- Monthly revenue estimate
- Annual revenue estimate
- Revenue per subscriber
Open tool
02Newsletter
Newsletter Sponsor Rate Calculator
Price one sponsor package from delivered reach, a working CPM, production effort, and exclusivity. Every addition stays visible, without pretending there is one universal market rate.
Built to check
- Delivered impressions
- Media value
- Production fee
Open tool