Copy paste symbol
Oxygen Symbol Copy Paste
Copy oxygen symbols including O₂, SpO₂, and PaO₂ for respiratory, medical, biology, and chemistry notes.
- Unicode
- U+004F U+2082
- Main use
- Oxygen symbol
Used together
Copy a related item, or copy the whole group for quick notes.
Meaning and formatting
What this symbol means
Molecular oxygen written with a subscript 2.
| Symbol | O₂ |
|---|---|
| Unicode code point | U+004F U+2082 |
| HTML | O₂ |
| LaTeX | — |
| Plain-text name | Oxygen symbol |
Usage notes
Important distinctions
- O₂ is molecular oxygen. SpO₂ and PaO₂ are separate clinical measurement notations and should not be used as synonyms for O₂.
- The subscript ₂ is part of the formula; the plain-text fallback O2 may be easier to type but is typographically different.
Common uses
Examples you can copy
Short examples you can paste into notes and documents, then edit for your context.
Related
Parent and related symbol sets
Open a full set to copy more symbols and ready-made combinations for the same task.
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Related individual symbols
Quick answers
Frequently asked questions
How do I copy the oxygen symbol?
Select the copy card for O₂. Quick Symbols copies it to your clipboard so you can paste it into your notes or document.
What is the difference between O₂, SpO₂, and PaO₂?
O₂ is molecular oxygen, SpO₂ is peripheral oxygen saturation, and PaO₂ is the partial pressure of oxygen in arterial blood.