# lvextend > Increase the size of a logical volume. > One of the Logical Volume Manager (LVM) tools. > More information: . - Increase a volume's size to 120GB: `lvextend --size {{120G}} {{logical_volume}}` - Increase a volume's size by 40GB as well as the underlying filesystem: `lvextend --size +{{40G}} -r {{logical_volume}}` - Increase a volume's size to 100% of the free physical volume space: `lvextend --size {{100}}%FREE {{logical_volume}}`