H2O by HALL & OATES has sold 2,669,070 copies in Canada, Japan, United Kingdom and United States.
H2O certifications and sales
| Country / region | Sales | Certification / source | Certification date / sales as of | |
 Canada |
300,000 | 3x Platinum | 1983 |
Canada Sales: 300,000
Certification / note: 3x Platinum
Certification Date / sales as of: 1983
|
 Japan |
269,070 | Oricon charts |
Japan Sales: 269,070
Certification / note: Oricon charts
Certification Date / sales as of:
|
|
 United Kingdom |
100,000 | 1x Gold | 29 March, 1983 |
United Kingdom Sales: 100,000
Certification / note: 1x Gold
Certification Date / sales as of: 29 March, 1983
|
 United States |
2,000,000 | 2x Platinum | 1 April, 1985 |
United States Sales: 2,000,000
Certification / note: 2x Platinum
Certification Date / sales as of: 1 April, 1985
|
| Total sales | 2,669,070 | (in 4 countries) |
Total
Sales: 2,669,070
(in 4 countries)
|
Year-end chart performance for H2O
| Chart 1982 | Rank | Sales |
| Canadian Albums (RPM) |
70 | |
| Chart 1983 | Rank | Sales |
| Canadian Albums (RPM) |
7 | |
| Japanese Albums (Oricon) |
43 | 191,000 |
 New Zealand Albums (RMNZ) |
28 | |
| US Albums (Billboard 200) |
4 |