| Formula | Calculator | Reverse units |
|---|---|---|
| 1 open window unit = 1 sabin | Factors for sabin | |
| 1 open window unit = 1 sound absorption unit | Factors for sound absorption unit | |
| 1 open window unit = 1 square foot | Factors for square foot | |
| 1 open window unit = 0.092903 square meter | Factors for square meter | |
| 1 open window unit = 1 square-foot unit of absorption | Factors for square-foot unit of absorption |