National flag
United Kingdom

- Flag type
- National flag
- UK Design Code
- UNKG0001
- Flag date
- 1st January 1801
- Designer
- College of Arms
- Adoption route
- Act of Parliament
- Aspect ratio
- 3:5 or 1:2
- Pantone colours
- Blue 280WhiteRed 186
- Certification
- King George III
About the flag
The United Kingdom Flag is the national flag of the United Kingdom of Great Britain and Northern Ireland, formerly the United Kingdom of Great Britain and Ireland, created by the Act of Union (1801).
The flag is 3:5 on land and 1:2 at sea.
The thicker white diagonal should fly uppermost next to the flagpole.



