Many different styles of martial arts use the belt system, but a lot of styles have different belts for different grades, even just within Karate, you can find two different Shotokan clubs using different belts to each other. So just be aware of that when talking to other martial art practitioners
Here I thought I would post our belt order for your information...
9th Kyu - White belt
8th kyu - Yellow belt
7th Kyu - Orange belt
6th Kyu - Green belt
5th kyu - Blue belt
4th Kyu - Purple belt
3rd Kyu - Brown belt white stripe
2nd Kyu - Brown belt
1st Kyu - Brown belt black stripe
Shodan - 1st Dan Black belt
Nidan - 2nd Dan Black belt
Sandan - 3rd Dan Black belt
Yondan - 4th Dan Black belt
Godan - 5th Dan Black belt
Here I thought I would post our belt order for your information...
9th Kyu - White belt
8th kyu - Yellow belt
7th Kyu - Orange belt
6th Kyu - Green belt
5th kyu - Blue belt
4th Kyu - Purple belt
3rd Kyu - Brown belt white stripe
2nd Kyu - Brown belt
1st Kyu - Brown belt black stripe
Shodan - 1st Dan Black belt
Nidan - 2nd Dan Black belt
Sandan - 3rd Dan Black belt
Yondan - 4th Dan Black belt
Godan - 5th Dan Black belt