# Bridge Calc: Draft & Ballast

> Maritime tools for officers

Canonical page: [https://chrome-stats.com/d/id6745449412](https://chrome-stats.com/d/id6745449412)

## Overview

- **ID:** `id6745449412`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** Stanislav Soroka
- **Category:** Education
- **Version:** 1.0.1
- **Last updated:** 2025-09-23
- **First published:** 2025-06-16
- **Size:** 37 MB
- **Data as of:** 2026-09-22
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/bridge-calc-draft-ballast/id6745449412)
- **Website:** [https://msdmarine.com/en/pages/contact/](https://msdmarine.com/en/pages/contact/)
- **Privacy policy:** [https://msdmarine.com/en/privacy-policy/bridge-calculators](https://msdmarine.com/en/privacy-policy/bridge-calculators)

## Description

Marine tools Offline: Draft Survey, Ballast, Triming, Stowage Plan and more

Bridge Calculators is an offline tool designed for maritime professionals. It includes a set of calculators commonly used by deck officers, chief mates, and shipmasters for cargo handling, draft management, stability assessment, and onboard calculations.

Available modules:
- Draft Survey Calculator.
Manual and automatic calculation of loaded or discharged cargo based on draft readings and vessel data.

- Ballast Calculator
Calculates ballast water quantity in tanks (manual or automatic). Allows vessel, tank, and tank table setup. Provides fast results based on tank geometry and soundings.

- Stowage Plan Calculator
Automatic cargo distribution by holds using cargo stowage factor. Includes port entry/exit remarks for arrival and departure planning.

- Cargo Trimming Calculator
Final trimming calculator at the end of loading. Calculates cargo quantity required to reach even keel or target trim.

- Unit Converter
Converts various maritime units including stowage factor, volume, length, speed, and temperature.

- List Calculator
Calculates vessel heel (list) in degrees for navigational assessment.

- Humidity Calculator
Calculates relative humidity based on temperature and dew point.

- Squat & UKC Calculator
Assesses under keel clearance (UKC) and squat effect based on speed and draft.

- Draft & GM Change Calculator
Calculates changes in draft and metacentric height (GM) when transitioning between waters of different density.

Additional features:

- Offline operation – all calculators work without internet access.
- Google Drive backup for Draft Survey and Ballast Calculator, allowing secure data storage and recovery on another device.
- Light and dark themes for comfortable use in various working conditions.
- Clean and practical user interface optimized for onboard use.

The application is designed to assist with real-world vessel operations and enhance efficiency during cargo and stability-related tasks. Suitable for commercial vessels of all types

## Rankings

- #1,999,364 — Overall

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Source: [Chrome-Stats](https://chrome-stats.com/d/id6745449412)