utilbin / partition-recipe debian partition calc

Debian partition calc

Set the disk size, split the partition space, copy the recipe.

Layout
Disk size
Unallocated reserve
GB
Auto swap
10.0 GB
Free for partitions
189.4 GB
Sum of minimums
0.0 GB
Allocated to LVM PV
0.0 GB

Swap is automatic: 5% of disk, 2 GB minimum, 32 GB maximum.

/
Share of remaining LV space.
66.3 GB
35.0%
Percent
Target GB
/var
Share of remaining LV space.
85.2 GB
45.0%
Percent
Target GB
/home
Share of remaining LV space.
37.9 GB
20.0%
Percent
Target GB
Calculated sizes after Debian allocation
Mount / useRecipe rowAllocated size
Recipe rows
Rules
Change either percent or GB for any one partition. The tool recalculates that partition first, then rebalances the other two over the remaining logical-volume budget. That keeps the total capped to what the disk can actually hold after /boot, swap, and reserve.