| Subject | English | Estonian |
| obs., fin. | conversion factor | ümberhindamistegur |
| fin. | conversion factor | ümberhindlustegur |
| el. | conversion factor | muundustegur |
| forestr. | conversion factor | konversiooniarv |
| comp., MS | unit conversion factor | ühikuteisendustegur (The factor used to convert from one unit of measure to another unit of measure, such as from centimeters to meters) |