Simple spreadsheet to track milestones
Updated August 20, 2025
Overview
This guide explores simple spreadsheet to track milestones with steps you can verify using the AgeByDOB calculator. For deeper context, you may also enjoy Planning a milestone birthday trip · Birth flowers by month · How old is Cristiano Ronaldo today? (worked example).
Key Takeaways
- Use the native date picker for accuracy on mobile and desktop.
- Read your age in years, months, and days for exact results.
- Bookmark your result URL so you can revisit quickly.
Step-by-Step
- Open the calculator and enter your DOB.
- Press Calculate to get the exact breakdown.
- Check the birthday countdown and milestones.
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