# Rock Density Calculator — Porosity & Specific Gravity

> Porosity & Specific Gravity (iPhone/iPad app by Shanghai Sheyuan Network Technology Co., Ltd..)

- Source: https://appshunter.io/ios/app/rock-density-calculator/id6761699630 (this page in markdown: same URL + `.md`)
- Developer: [Shanghai Sheyuan Network Technology Co., Ltd.](https://appshunter.io/developer/1560626858)
- Category: Utilities, Productivity
- Price: $1.99
- Age rating: 4+
- Requires: iOS 17.0 · 1 MB
- Languages: English
- Released: 2026-04-08
- Data updated: 2026-07-08
- User reviews in markdown: https://appshunter.io/ios/app/rock-density-calculator/id6761699630/reviews.md

## What is Rock Density Calculator?

Got a core sample and need its bulk density, porosity, and specific gravity fast? No lab spreadsheet handy? This app gives you instant results from dry, saturated, and submerged mass measurements or look up typical values for common rock types.

CALCULATOR MODE:
Enter dry mass, saturated mass, and submerged mass. Get bulk density, grain density, porosity, void ratio, water absorption, and specific gravity.

REFERENCE MODE:
Look up typical density, porosity, and specific gravity for 13 rock types including granite, basalt, limestone, sandstone, shale, quartzite, marble, gneiss, slate, dolomite, chalk, conglomerate, and obsidian.

WHAT IT CALCULATES:
- Bulk density and grain density
- Total porosity and void ratio
- Water absorption percentage
- Specific gravity

KEY FEATURES:
- Lab measurement calculator
- 13 rock type reference database
- Metric and imperial units
- Works completely offline
- No account or login required

Built for geologists, mining engineers, petroleum engineers, and lab technicians.


## Version history (last 3 releases)

### 1.0.3 — 2026-06-28

Added a More Pro Tools section to discover related field calculators.

### 1.0.2 — 2026-04-14

Bug fixes and performance improvements.

### 1.0.1 — 2026-04-08

No release notes.

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All apps by Shanghai Sheyuan Network Technology Co., Ltd.: https://appshunter.io/developer/1560626858

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-08.*