List & Trim Calculator

Calculate list and trim from forward and aft draft readings.

Forward Drafts

Forward Port (m)

Forward Starboard (m)

Aft Drafts

Aft Port (m)

Aft Starboard (m)

Mean Forward Draft —

Mean Aft Draft —

Trim —

List —

How it works

Trim = Mean Aft Draft − Mean Forward Draft

List is calculated from the difference between port and starboard drafts.

Useful for deck officers during draft surveys and stability checks.