991 cfm = 1,683.718 m³/h
| cfm | m³/h |
|---|---|
| 976 cfm | 1,658.233 |
| 981 cfm | 1,666.728 |
| 986 cfm | 1,675.223 |
| 991 cfm | 1,683.718 |
| 996 cfm | 1,692.213 |
| 1,001 cfm | 1,700.708 |
| 1,006 cfm | 1,709.203 |
991 cfm = 1,683.718 m³/h
1 L/s = 0.264172 gal/min · 1 m³/h = 0.588578 cfm · 1 cfm = 1.69901 m³/h