How do I know my VESA size?

Related questions

1. What is VESA pattern?
2. Can you wall mount TV in apartment?
3. How tall is an iMac 27?
4. What does Apple iMac stand for?
5. Is Mac short for Macintosh?
6. How do I tell what size my TV is?
7. How much weight can drywall hold?
8. Is an iMac just a monitor?
9. How tall is a 21 iMac?
10. How wide is a 27 iMac?

Tags

1. #typically
2. #example
3. #order
4. #shown
5. #between
6. #horizontal
7. #holes
8. #distance
9. #vertical
10. #measure
11. #200mm
12. #displayed
13. #specifications
14. #across
15. #millimeters
16. #mounting
17. #followed
18. #measurement
19. #400mm