Printable UML Multiplicity Card
This printable UML multiplicity card is for students, developers, and anyone reading class diagrams. It gives a quick reference for common multiplicity notation in a simple two-column layout with Notation and Meaning. The sheet includes 1 for Exactly one, 0..1 for Optional, and * for Many. It is set up as a one-page Letter PDF for easy printing and keeping near your notes or workstation.
Free printable · PDF
- 1 page
- US Letter — choose “Fit to page” for A4
- PDF, 49 KB
Free for personal, family and classroom use.
Use it while drawing class diagrams, checking relationships, or reviewing diagram labels. Keep the sheet beside your UML reference materials so you can confirm multiplicity values without pausing to look them up.
Good for
- Check multiplicity values while reading diagrams
- Review UML relationship labels during study
- Keep near notes for quick reference
Tip: Print on cardstock and trim to keep it handy at your desk or in a notebook.
4 files · PDF, DOCX, XLSX
Get every sheet: UML Class Diagram Reference Pack
This sheet plus 3 more in one download, with the editable Word and Excel files. Printable UML class diagram reference: notation cheat sheet, relationship guide, multiplicity card, a class modelling worksheet and a design review checklist.
$5.00 USD, one-time 4 files · about $1.25 each
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UML Class Diagram Notation Cheat Sheet
Printable UML Class Diagram Worksheet
Printable UML Class Diagram Review Checklist