Modified duration approx
Modified duration approx: enter Macaulay duration, YTM % and get an instant result in your browser. Free, private, no account.
Modified duration approx applies duration / (1 + ytm / 100) to the values you enter (Macaulay duration, YTM %). Use it for quick finance 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 Modified duration approx and read the field labels (Macaulay duration, YTM %).
- 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 Modified duration approx?
Only the on-page labels: Macaulay duration, YTM %. The tool does not guess hidden assumptions.
How does Modified duration approx compute its result?
It evaluates duration / (1 + ytm / 100). If your source uses different symbols, map them to these fields first.
Can I paste the Modified duration approx result into Excel or Sheets?
Yes—copy the number and keep your own documentation of inputs for audit trails.
Is Modified duration approx a substitute for professional finance software?
No. It is a lightweight browser helper for one relationship; use certified tools for compliance work.