# Length Mass Speed Converter — 15 measurements categories

> Comprehensive unit converter for distance, mass, volume, speed, and more. (iPhone/iPad app by AR Code Pte. Ltd..)

- Source: https://appshunter.io/ios/app/length-mass-speed-converter/id1421135749 (this page in markdown: same URL + `.md`)
- Developer: [AR Code Pte. Ltd.](https://appshunter.io/developer/1761134422)
- Category: Utilities, Lifestyle
- Price: Free with in-app purchases
- Rating: 4.60/5 from 14 App Store ratings · 2 written reviews indexed
- Age rating: 4+
- Requires: iOS 12.0 · 7 MB
- Languages: Russian, Hindi, Vietnamese, American English, Hungarian, Dutch, Greek, Danish, Hebrew, Indonesian and 21 more
- Released: 2018-08-12
- Data updated: 2026-08-15
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/length-mass-speed-converter/id1421135749/reviews.md

## What is Length Mass Speed Converter?

A measurements converter including these units conversions :

- Distance/length (mm Millimeters, cm Centimeters, m Meters, km Kilometers, in Inches, ft Feet, yd Yards, mi Miles)
- Area (mm^2 Millimeter Square, cm^2 Centimeter Square, m^2 Meter Square, in^2 Inch Square,ft^2 Foot Square, yd^2 Yard Square)
- Volume (cm^3 Centimeter cube, m^3 Meter cube, ltr Liter, in^3 Inch cube, ft^3 Foot cube, US gal US gallons, Imp.gal Imperial gallons, US brl US barrel oil)
- Mass (g Grams, kg Kilograms, tonne Metric tonnes, shton Short ton, Lton Long ton, lb Pounds, oz Ounces)
- Density (g/ml Gram Per milliliter, kg/m^3 Kilogram Per meter cube, lb/ft^3 Pound Per foot cube, lb/in^3 Pound Per inch cube)
- Volumetric Liquid Flow Units (L/sec Liter Per second, L/min Liter Per minute, M^3/hr Meter cube Per hour, ft^3/min Foot cube Per minute, ft^3/hr Foot cube Per hour, gal/min US gallons Per minute, US brl/d US barrels oil Per day)
- Volumetric Gas Flow Units (Nm^3/hr Normal meter cube Per hr, scfh Standard cubic ft Per hr, scfm Standard cubic ft Per min)
- Mass Flow (kg/h Kilogram Per hour, lb/hour Pound Per hour, kg/s Kilogram Per second, t/h Ton Per hour)
- High Pressure (bar Bar, psi Pound Per square inch, kPa Kilopascal, MPa Megapascal, kgf/cm^2 KG force Per CM square, mm Hg Millimeter of mercury, atm Atmospheres)
- Low Pressure Units (mH 2O Meter of water, ftH 2O Foot of water, cmHg Centimeter of mercury, inHg Inches of mercury, inH 2O Inches of water, Pa Pascal)
- Speed (m/s Meter Per second, m/min Meter Per minute, km/h Kilometer Per hour, ft/s Foot Per second, ft/min Foot Per minute, mi/h Miles Per hour)
- Torque (Nm Newton meter, kgfm Kilogram force meter, ftlb Foot pound, inlb Inch pound)
- Dynamic Viscosity (cp Centipoise, poise Poise, lb/(ft·s) Pound Per foot·second)
- Kinematic Viscosity (cs Centistoke, St Stoke, ft^2/s Foot square Per second, m^2/s meter square Per second)
- Temperature (Degree Celsius, Degree Fahrenheit, Kelvin)

Converter Premium is a monthly recurring subscription. You will automatically be billed the amount (US$14.99) through the App Store at the end of the free trial period which is 7 days. The monthly subscription automatically renews unless it is canceled at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. Any unused portion of the free trial period will be forfeited. You can manage your subscription in the App Store.

Terms of use: https://ar-code.co/apps/converter/terms.html
Privacy policy: https://ar-code.co/apps/converter/privacy.html

## Key features

- Distance/length conversions
- Area conversions
- Volume conversions
- Mass conversions
- Speed conversions
- Temperature conversions
- 15 measurement categories

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Converter Premium | $14.99 | per month |


## Recent user reviews (2 of 2)

All indexed reviews: https://appshunter.io/ios/app/length-mass-speed-converter/id1421135749/reviews.md

### 1/5 — Do not download (monthly payement )

*2021-04-15*

Warning  : payement on the first screen

**Developer response:** Hello, the application is available for free by default. The premium version offers you premium features and no ads, you can try it for free for 1 week. Thanks for your feedback !

### 5/5 — Great !

*2018-08-10*

Easy to use

## Frequently asked questions about Length Mass Speed Converter

### What units can Length Mass Speed Converter convert?

Length Mass Speed Converter supports 15 measurement categories, including distance, area, volume, mass, density, flow rates, pressure, speed, torque, viscosity, and temperature. Specific units within these categories range from millimeters and miles for length to grams and tons for mass.

### Does Length Mass Speed Converter have ads?

Yes, Length Mass Speed Converter contains advertisements. Users can opt for the 'Converter Premium' subscription to remove ads and access additional features.

### What is the cost of Length Mass Speed Converter Premium?

Converter Premium is a monthly subscription costing $14.99. It includes a 7-day free trial, and the subscription automatically renews unless canceled at least 24 hours before the current period ends.

### On which devices can I use Length Mass Speed Converter?

Length Mass Speed Converter is available for iPhone, iPad, and iPod. It is designed for iOS devices.

### How often is Length Mass Speed Converter updated?

The latest version of Length Mass Speed Converter is 7.5, and it was last updated on February 11, 2026. This indicates a recent update and ongoing support.

### What is the age rating for Length Mass Speed Converter?

Length Mass Speed Converter has an age rating of 4+, making it suitable for children and adults.

### How do I cancel my Length Mass Speed Converter subscription?

You can manage your subscription, including cancellation, within the App Store settings on your device. Ensure cancellation occurs at least 24 hours before the end of your current billing period to avoid renewal charges.

### What is the user sentiment for Length Mass Speed Converter?

Length Mass Speed Converter has a strong user rating of 4.6 stars based on 14 ratings, suggesting a generally positive user experience and satisfaction with its functionality.

## Version history (last 5 releases)

### 7.7 — 2026-06-17

- Improved app stability and performance

### 7.5 — 2026-02-11

- Improvements for speed and reliability

### 7.4 — 2025-09-01

- Improvements for speed and reliability

### 7.3 — 2025-04-14

- Improvements for speed and reliability

### 7.2 — 2024-11-12

- Improvements for speed and reliability

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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 2026-08-15.*