| Areatime-unit | Technical unit groups | m2*yr |
| Biodiversity Unit (Occ.) | Other unit groups | PBR |
| Biodiversity Unit (Transf.) | Other unit groups | PBR/a |
| Biotic Production Unit (Occ.) | Other unit groups | kg |
| Biotic Production Unit (Transf.) | Other unit groups | kg/a |
| Ecoinvent unit cubic meter-years (m3a) | Other unit groups | m3a |
| ecoinvent unit dimensionless (for use with counted items, ratios, boolean expressions, dummy variables) | Other unit groups | dimensionless |
| ecoinvent unit Euro currency unit at mid-year 2005 | Other unit groups | EUR2005 |
| Erosion Resistance Unit (Occ.) | Other unit groups | kg |
| Erosion Resistance Unit (Transf.) | Other unit groups | kg/a |
