6IX by COOL (쿨) has sold 588,226 copies in Korea.
6IX certifications and sales
| Country / region | Sales | Certification / source | Certification date / sales as of | |
 Korea |
588,226 | RIAK / Gaon charts |
Korea Sales: 588,226
Certification / note: RIAK / Gaon charts
Certification Date / sales as of:
|
|
| Total sales | 588,226 | (in 1 country) |
Total
Sales: 588,226
(in 1 country)
|
Year-end chart performance for 6IX
| Chart 2001 | Rank | Sales |
| South Korean Albums (Gaon) |
6 | 588,226 |