ERA scale
ERA scale: enter Earned runs, Innings and get an instant result in your browser. Free, private, no account.
ERA scale applies er * 9 / innings to the values you enter (Earned runs, Innings). Use it for quick health 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 ERA scale and read the field labels (Earned runs, Innings).
- 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 ERA scale?
Only the on-page labels: Earned runs, Innings. The tool does not guess hidden assumptions.
How does ERA scale compute its result?
It evaluates er * 9 / innings. If your source uses different symbols, map them to these fields first.
Can I paste the ERA scale result into Excel or Sheets?
Yes—copy the number and keep your own documentation of inputs for audit trails.
Is ERA scale a substitute for professional health software?
No. It is a lightweight browser helper for one relationship; use certified tools for compliance work.