# Bridge Calc: Draft & Ballast

> Offline maritime calculators: Draft Survey, Ballast, Stability, Stowage & more

Canonical page: [https://chrome-stats.com/d/com.ssdevelop.bridge\_calculators](https://chrome-stats.com/d/com.ssdevelop.bridge_calculators)

## Overview

- **ID:** `com.ssdevelop.bridge_calculators`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** Marine Solutions SD Group
- **Category:** TOOLS
- **Downloads:** 13
- **Version:** 1.0.5
- **Last updated:** 2026-08-03
- **First published:** 2025-04-02
- **Publisher country:** UA
- **Size:** 31 MB
- **Data as of:** 2026-09-10
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.ssdevelop.bridge_calculators)
- **Website:** [https://msdmarine.com/en/bridge-calculators](https://msdmarine.com/en/bridge-calculators)
- **Privacy policy:** [https://msdmarine.com/en/privacy-policy/bridge-calculators](https://msdmarine.com/en/privacy-policy/bridge-calculators)

## Description

Bridge Calculators is a complete offline toolset for maritime professionals.<br>It provides essential marine calculators for deck officers, chief mates, and shipmasters to handle draft survey, ballast management, cargo stowage, vessel stability, and onboard calculations — all in one app.<br><br>Available Modules:<br><br>- Draft Survey Calculator<br>Manual &amp; automatic cargo calculation based on draft readings and vessel particulars.<br><br>- Ballast Calculator<br>Calculate ballast water quantities by tanks (manual/automatic). Supports tank setup, tables, and geometry.<br><br>- Stowage Plan Calculator<br>Automatic cargo distribution by holds using stowage factor. Includes arrival/departure remarks.<br><br>- Cargo Trimming Calculator<br>Final trimming at loading completion. Calculates cargo quantity for even keel or target trim.<br><br>- Unit Converter<br>Convert maritime units: stowage factor, volume, length, speed, temperature.<br><br>- List / Heel Calculator<br>Calculate vessel list angle for stability and navigation assessment.<br><br>- Humidity Calculator<br>Find relative humidity from temperature &amp; dew point.<br><br>- Squat &amp; UKC Calculator<br>Estimate under keel clearance (UKC) and squat effect by draft and vessel speed.<br><br>- Draft &amp; GM Change Calculator<br>Calculate draft and GM changes when moving between waters of different density.<br><br>Key Features:<br><br>1. Offline operation – all calculators work without internet.<br>2. Google Drive backup for Draft Survey &amp; Ballast data.<br>3. Light &amp; dark themes for day/night operations.<br>4. Clean, practical UI designed for onboard use.<br><br>Designed For:<br><br>- Deck officers and shipmasters performing daily calculations.<br>- Chief mates managing cargo operations and vessel stability.<br>- Professionals on bulk carriers, tankers, container ships, and general cargo vessels.<br><br>Bridge Calculators helps improve accuracy, safety, and efficiency in real-world vessel operations.

## Rankings

- #2,748,816 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.INTERNET`
- `android.permission.POST_NOTIFICATIONS`
- `android.permission.RECEIVE_BOOT_COMPLETED`
- `com.android.vending.CHECK_LICENSE`
- `com.ssdevelop.bridge_calculators.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

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