SEA TOOLS

Bulk Calculator

Trim, draft survey & load line

How to use

Set up My Ship once (paste hydrostatics, holds, tanks from your booklet).
Work through loading in order: plan cargo, check load line, trim to finish, then survey.
Soundings feed Draft Survey deductibles; export or print trim and survey worksheets.

Example values — edit any field.

Reference worksheets only. Verify every result against your ship's approved loading computer, stability booklet, and company procedures.

Bulk Calculator — Trim, draft survey & load line. Work in loading-job order; ship data is saved on this device only.

Hydrostatics, holds, tank tables, load line — saved on this device.

Split cargo by hold capacity, SF, KG layers, trim shifts.

Load Line & Max Cargo

Zone draft, DWA, allowances → stop-loading draft and max cargo.

Trim & Draft Planner

Drafts after load/discharge, 2–3 hold trim, listed drafts.

Air Draft & Bridge Clearance

Air draft at a point, clearance under charted obstruction, pass check.

Initial / intermediate / final survey with hydro table interpolation.

Soundings & Ullage

Tank volumes with trim/list correction → deductibles for survey.

Bunker & Ullage Sheet

Tank tables, ASTM 54B VCF, GSV @ 15 °C, MT in air and vacuum — export worksheet.

Dew Point & Ventilation

Hold vs outside air — ventilate guidance (reference only).

Interpolation, stowage factor, density draft change.

Grain Stability CheckWorksheet-style check against IMO Grain Code Part A §7 criteria using your booklet KN curve and VHM data.