I KNOW by LUTHER VANDROSS - Sales & Charts
Updated: October 16, 2021
I KNOW by LUTHER VANDROSS has sold 500,000 copies in the United States.
I KNOW certifications and sales
| Country | Sales | Certification | Date | Source |
|---|---|---|---|---|
 United States | 500 000 | 1x Gold | 1998-12-03 | [1] RIAA |
| Total sales: | 500 000 | Сountries: 1 | ||
Source