| Abbreviation | Definition |
|---|---|
| LCM | Linear Centimetres |
| LCY | Loose Cubic Yards |
| LDT | Light Displacement Ton |
| LEM | Light Extinction Measure |
| LEN | Length |
| LF | Lineal Feet |
| LF | Linear Feet |
| LFM | Linear Feet per Minute |
| LG | Linear Gauge |
| LHK | Liters per Hundred Kilometers |
| LI | linear Inch |
| ll. | leaves |
| LM | Long Metre |
| LM3 | Loose Cubic Meters |
| LnM | Lane Meters |
| LOE | Liter Oil Equivalent |
| LOL | Lots Of Length |
| LOZ | Liquid Ounce |
| LP | Length Perpendicular |
| LPCPD | Litres per Capita per Day |