Day 1 retention percent
Day 1 retention percent: enter D1 users, Installs and get an instant result in your browser. Free, private, no account.
Day 1 retention percent applies d1 / installs * 100 to the values you enter (D1 users, Installs). Use it for quick business estimates from your own numbers—not for regulated engineering, tax filing, or clinical decisions. Everything runs in your browser; nothing is uploaded to our servers.
How to use
- Open Day 1 retention percent and read the field labels (D1 users, Installs).
- Replace defaults with figures from your spreadsheet, lab sheet, or quote.
- Press Calculate and note the output before changing another input.
- Bookmark this page if you reuse the same calculation often.
FAQ
Which numbers belong in Day 1 retention percent?
Only the on-page labels: D1 users, Installs. The tool does not guess hidden assumptions.
How does Day 1 retention percent compute its result?
It evaluates d1 / installs * 100. If your source uses different symbols, map them to these fields first.
Can I paste the Day 1 retention percent result into Excel or Sheets?
Yes—copy the number and keep your own documentation of inputs for audit trails.
Is Day 1 retention percent a substitute for professional business software?
No. It is a lightweight browser helper for one relationship; use certified tools for compliance work.