# Engine Calc: Fuel & Slip

> Offline marine tools: Oil, Engine Power, Slip, Fuel & Unit Converters

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

## Overview

- **ID:** `com.ssdevelop.engine_calculators`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** Marine Solutions SD Group
- **Category:** TOOLS
- **Downloads:** 10
- **Version:** 1.0.4
- **Last updated:** 2026-04-23
- **First published:** 2025-04-02
- **Publisher country:** UA
- **Size:** 30 MB
- **Data as of:** 2026-09-11
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.ssdevelop.engine_calculators)
- **Website:** [https://msdmarine.com/en/engine-calculators](https://msdmarine.com/en/engine-calculators)
- **Privacy policy:** [https://msdmarine.com/en/privacy-policy/engine-calculators](https://msdmarine.com/en/privacy-policy/engine-calculators)

## Description

Engine Calculators is a complete offline toolset for marine engineers and engine room staff.<br>It provides oil calculators, engine power estimations, slip calculations, and unit converters — everything needed for daily engine room operations.<br><br>Included Calculators:<br><br>- Oil Calculator<br>Manual &amp; automatic calculation of oil quantities. Supports tank setup, tank tables, and geometry for fast and accurate results.<br><br>- Main Engine Power Calculator<br>Estimate engine power output based on entered parameters.<br><br>- Slip Calculator<br>Calculate propeller slip — the difference between theoretical and actual vessel speed.<br><br>- Unit Converter<br>Convert engineering and maritime units: stowage factor, volume, length, speed, temperature, and more.<br><br>Features:<br><br>1. Offline use – designed for engine rooms and sea operations.<br>2. Google Drive backup – secure recovery of Oil Calculator data.<br>3. Light &amp; dark themes – adaptable to working conditions.<br>4. Focused UI – clear input/output for fast, practical use.<br><br>Designed For:<br><br>- Marine engineers monitoring fuel and oil on board.<br>- Engine room staff calculating slip and engine power.<br>- Professionals on tankers, bulk carriers, container ships, and offshore vessels.<br><br>Engine Calculators improves accuracy and efficiency in real-world shipboard operations, making daily engineering tasks easier and faster.

## Rankings

- #2,803,256 — 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.engine_calculators.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

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