What is the highest waterproof rating?
Christopher Davis
Updated on April 06, 2026
IP68 ratings occupy the very top of the IP rating scale. Both digits are at their maximum level: A 6 for total protection against solid ingress. An 8 for total protection against water ingress, up to and including complete submersion below one meter and for more than 30 minutes.
Which IP rating is best?
IP Ratings & Standards Explained
- What do the two digits in an IP Rating mean? The rating consists of the letters IP followed by two digits, the higher the number the better the protection. ...
- IP65 = First Digit – Solids. ...
- IP65 = Second Digit – Liquids.