# Molecular Weight Calculator — Calculating Molecular Weight

> Physics/math tool for calculating molecular weight from chemical formulas. (iPhone/iPad app by Nitrio.)

- Source: https://appshunter.io/ios/app/molecular-weight-calculator/id1444836038 (this page in markdown: same URL + `.md`)
- Developer: [Nitrio](https://appshunter.io/developer/321121189)
- Category: Utilities, Productivity
- Price: $2.99
- Rating: 5.00/5 from 3 App Store ratings
- Age rating: 4+
- Requires: iOS 13 · 1 MB
- Languages: American English
- Released: 2018-12-11
- Data updated: 2026-09-10
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/molecular-weight-calculator/id1444836038/reviews.md

## What is Molecular Weight Calculator?

The Molecular Weight Calculator is a physics/math tool designed to find the average molecular weight (MW) of molecules by inputting their chemical formulas.

Features:
- Instant calculation
- Results can be copied to other apps
- Includes formula references
- Supports up to 16 decimal places
- Works seamlessly on both iPhone and iPad.
- Lightweight, compact app optimized for everyday use.
- Ad-free and built with privacy in mind.

Note: Chemical formulas are case-sensitive (e.g., C22H30N4O).

Definitions:
- Molecular mass (molecular weight): The mass of one molecule of a substance, expressed in unified atomic mass units (u). (1 u is equal to 1/12 the mass of one atom of carbon-12)
- Molar mass (molar weight): The mass of one mole of a substance, expressed in grams per mole (g/mol).

Thank you for your support! Visit nitrio.com for more apps for your iOS devices.

## Key features

- Instant molecular weight calculation
- Copy results to other apps
- Includes formula references
- Supports up to 16 decimal places
- Works on iPhone and iPad
- Ad-free and privacy-focused


## Frequently asked questions about Molecular Weight Calculator

### How do I calculate molecular weight with Molecular Weight Calculator?

Simply input the chemical formula of the molecule into the app. It will then instantly provide the average molecular weight. Remember that chemical formulas are case-sensitive, so ensure correct capitalization.

### What is the price of Molecular Weight Calculator?

Molecular Weight Calculator is a paid app priced at $2.99. This one-time purchase grants you access to all its features without any recurring fees.

### Does Molecular Weight Calculator have ads?

No, Molecular Weight Calculator is ad-free. The developer has built the app with privacy in mind and does not include any advertisements.

### What devices does Molecular Weight Calculator support?

Molecular Weight Calculator is designed to work seamlessly on both iPhone and iPad devices. It is optimized for a compact and lightweight user experience.

### How accurate are the calculations in Molecular Weight Calculator?

The app supports calculations up to 16 decimal places, ensuring a high degree of precision for molecular weight determinations. It provides the average molecular weight for the given chemical formula.

### When was Molecular Weight Calculator last updated?

The latest version of Molecular Weight Calculator is 1.3, which was last updated on February 2, 2026. This indicates ongoing support and potential for future improvements.

### What is the age rating for Molecular Weight Calculator?

Molecular Weight Calculator has an age rating of 4+. This suggests it is suitable for a wide range of users, including younger students, due to its straightforward utility.

### Can I copy the results from Molecular Weight Calculator?

Yes, the results obtained from the Molecular Weight Calculator can be easily copied to other applications. This feature allows for seamless integration of calculated data into your notes or reports.

## Version history (last 4 releases)

### 1.3 — 2026-02-02

- Updated for the newest devices.
- Minor bugs fixed.

### 1.2 — 2024-07-10

- Updated for the newest devices.
- Minor UI update.
- Minor bugs fixed.

### 1.1 — 2021-05-01

- Update for Newest Devices
- Bug Fixed

### 1.0 — 2018-12-10

No release notes.

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All apps by Nitrio: https://appshunter.io/developer/321121189

## Related topics

[molecular mass calculator pro](https://appshunter.io/ios/topics/molecular-mass-calculator-pro)

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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 2026-09-10.*