Windows
2 options- Press Win + . (period) to open the emoji & symbol picker.
- Or in Word: type 1F51E then Alt + X for the first codepoint.
Multi-codepoint sequence — emoji picker is the reliable option.
No One Under Eighteen Symbol
A symbol from the Warning Symbols collection. Click the symbol or the button below to copy.
- Symbol
- 🔞
- Unicode
- U+1F51E
- HTML entity
- 🔞
- Category
- Warning Symbols
Export
Download No One Under Eighteen Symbol as a vector SVG or a raster PNG.
Preview
transparent background
Color applies to monochrome symbols; multicolor emoji keep their own colors. SVG uses the system font stack — open in any vector editor and convert to outlines if needed. PNGs have a transparent background.
14 of 22 in the warning symbols collection
About the no one under eighteen symbol symbol
The No One Under Eighteen Symbol, often rendered as an emoji, shows the number 18 inside a red circle with a diagonal line through it. It is used in digital contexts to indicate content or services that are restricted to adults, such as age-gated websites, mature-rated games, or alcohol-related promotions. The symbol functions as a straightforward age-restriction marker, borrowing the familiar design of a prohibition sign.
How to type No One Under Eighteen Symbol
Native keyboard shortcuts for each operating system — derived from the codepoint, so the steps below are always accurate.
macOS
2 options- Press Control + Command + Space to open the Character Viewer.
- Search by name or paste the symbol — easiest path for multi-codepoint sequences.
Linux
1 step- Press Ctrl + Shift + U, type 1F51E, then press Enter or Space.
Copy in every format
Every form of this character — for HTML, CSS, JavaScript, URLs and more. Click any value to copy.
Text vs emoji presentation
This codepoint has two standardized presentations. Append U+FE0E to force the monochrome text form, or U+FE0F to force the colorful emoji form. Default presentation: emoji.
Related warning symbols
Other warning symbols you can copy and paste — explore similar Unicode characters from the same family.
- ⚠Warning SignCopy the warning sign symbol→
- ☢Radioactive SignCopy the radioactive sign symbol→
- ☣Biohazard SignCopy the biohazard sign symbol→
- ☠Skull And CrossbonesCopy the skull and crossbones symbol→
- ☡Caution SignCopy the caution sign symbol→
- ⛔No EntryCopy the no entry symbol→
- ⚡High Voltage SignCopy the high voltage sign symbol→
- ⌁Electric ArrowCopy the electric arrow symbol→
- ⏚Earth GroundCopy the earth ground symbol→
- ⏛FuseCopy the fuse symbol→
- 🚫No Entry SignCopy the no entry sign symbol→
- 🛑Octagonal SignCopy the octagonal sign symbol→
More warning symbols
Explore related collections
Browse other symbol families that pair well with warning symbols.