# Concentrations

> Concentrations calculator

Canonical page: [https://chrome-stats.com/d/id468150886](https://chrome-stats.com/d/id468150886)

## Overview

- **ID:** `id468150886`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** Marcal Casas Cartagena
- **Category:** Education
- **Version:** 3.1
- **Last updated:** 2026-02-22
- **First published:** 2011-10-03
- **Size:** 7.40 MB
- **Data as of:** 2026-09-25
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/concentrations/id468150886)
- **Website:** [https://barretina-software.de](https://barretina-software.de/)
- **Privacy policy:** [https://barretina-software.de/Concentrations/privacy/](https://barretina-software.de/Concentrations/privacy/)

## Description

Calculate molarity, molality, normality, dilutions and more — fully offline. The essential tool for chemistry students and lab professionals.

Concentrations is a powerful chemical calculator designed for laboratory professionals who need fast, accurate concentration calculations in the field. Say goodbye to manual dilution factor calculations, density conversions, and purity adjustments.
The Problem We Solve:
Ever needed to prepare a 1M sulfuric acid solution, but your stock bottle only shows "98% w/w" with molecular weight and density? Concentrations does the complex math for you instantly—just input your stock solution data and get precise preparation instructions with a single tap.
Key Features:

Smart Dilution Calculator – Calculate dilution parameters from stock solutions or known molar concentrations with ease
Comprehensive Concentration Types – Support for Molar, Normal, Molal, Mole Fraction, Mass Concentration, Volume Fraction, and more
Simple Input, Powerful Results – Enter your compound's molecular weight, desired concentration, and volume—Concentrations handles the rest
Customizable Precision – Adjust decimal places in results to match your experimental requirements
Localized Interface – Automatically adapts decimal indicators to your regional format

Who It's For:
Perfect for chemists, laboratory technicians, students, and researchers who need reliable concentration calculations without the hassle of manual computation.
Stop fumbling with calculators and conversion tables. Get accurate results every time with Concentrations.

## Rankings

- #2,163,005 — Overall

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Source: [Chrome-Stats](https://chrome-stats.com/d/id468150886)