Units Converter & Calculator
What is Units Converter & Calculator?
Converts units across 30+ categories and includes a reference of 180+ physical constants, offline and ad-free.
Units Converter & Calculator is a productivity app for converting 200+ units across 30+ categories, such as weight, temperature, distance, speed, and energy. It also includes a physical constants library with 180+ entries, learning modes, and progress tracking.
Pricing. Units Converter & Calculator is free to download, with in-app purchases on the App Store.
Good for
- Students learning physics or chemistry
- Engineers and scientists needing unit conversions
- Looking up physical constants with explanations
Screenshots
Why this app is in C tier
C tier follows from that score within this list. The full explanation, as data.
Units Converter & Calculator scores 60 out of 100: rating 94, rating count 55, App Store search rank 0, update recency 91. The four parts are averaged and C tier follows from that score within this list.
Description
The Ultimate Unit Converter, Physics Constants & Learning App
Convert 200+ units across 30+ categories instantly - completely offline and ad-free. Master physics with 180+ constants, interactive learning modes, and challenge games. Perfect for students, engineers, scientists, and professionals.
KEY FEATURES
COMPREHENSIVE CONVERSIONS
- 30+ conversion categories including Weight, Temperature, Distance, Speed, Volume, Energy, Pressure, and more
- 200+ units across all categories
- Real-time conversions with instant results
PHYSICAL CONSTANTS LIBRARY
Read more
- 180+ physical constants with detailed explanations
- Search functionality to quickly find any constant
- Each constant includes:
- What it is: Clear explanation
- Why it's important: Significance in physics
- How it's used: Practical applications
- Interesting facts: Fascinating insights
- Covers fundamental constants, particle physics, thermodynamics, astronomy, and more
LEARNING MODES
- Quick Convert: Instant results for fast conversions
- Learn Mode: Guided discovery with progressive hints
- Challenge Mode: Test your estimation skills
- Track your progress across all categories
PROGRESS TRACKING
- Monitor your learning progress
- View hint usage statistics
- Track challenge scores
- See completion across all 30 categories
PREMIUM DESIGN
- Beautiful, modern interface
- Smooth animations and transitions
- Intuitive navigation
- Professional look and feel
CONVERSION HISTORY
- Automatic saving of all conversions
- Easy access to past calculations
- Organized by category
- Clean, readable format
SMART FEATURES
- Auto-save conversions
- Keyboard-friendly interface
- Search and filter constants
- Real-world reference examples
Perfect for
- Students learning physics and chemistry
- Engineers and scientists
- Professionals needing quick conversions
- Anyone working with units and constants
Download now and experience the most comprehensive unit converter with an extensive physical constants reference!
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Questions about Units Converter & Calculator
Does it work offline?
The app converts units completely offline and is ad-free. It also states that all conversions are saved automatically in a history organized by category.
Is it free to install?
It is free to download. The App Store lists in-app purchases, but the listing does not state their prices or what they unlock.
What does the constants library include?
It lists 180+ physical constants. Each entry has an explanation, its importance in physics, how it is used, and interesting facts, and a search function helps find a specific constant.
Is Units Converter & Calculator free?
Units Converter & Calculator is free to download, with in-app purchases.
Is Units Converter & Calculator right for me?
Units Converter & Calculator is built for students learning physics or chemistry, engineers and scientists needing unit conversions, looking up physical constants with explanations. It sits in the unit conversion list on AppTierList.
Is Units Converter & Calculator worth it?
Units Converter & Calculator is C tier, ranked #17 of 19 unit conversion apps with a score of 60 out of 100, from a 4.7 App Store rating across 32 ratings. 16 apps rank above it in the same list.
How does Units Converter & Calculator compare to Units Plus Converter?
Units Converter & Calculator is C tier at 60; Units Plus Converter is C tier at 62. Units Plus Converter ranks higher. Units Converter & Calculator is free to download, with in-app purchases, Units Plus Converter is $19.99 to download.
How often is Units Converter & Calculator updated?
Units Converter & Calculator was last updated on 2026-07-08, 119 days ago.
Alternatives
Most similar
Top rated in Unit Conversion
Categories
All the facts
Ranking
- List
- Unit Conversion (C tier, #17)
- Tier
- C (Situational)
- Score
- 60 / 100
- Rank in list
- #17 of 19
- Ranking certainty
- early: few ratings or search ranks so far
Ratings
- App Store rating
- 4.7 out of 5, every App Store country
- Ratings
- 32
App
- Price
- Free + IAP
- App Store category
- Productivity
- Current version
- (119 days ago)
- Size
- 181 MB
- Requires
- iOS 16.0 or later
- Age rating
- 4+
- Languages
- 95
- Runs on
- iPhone, iPad, Mac
Links
- Developer pages
- Website · Support · Privacy policy
- Maker
- not verified
- As data
- JSON · why it ranks here
- App Store data read
App Store data read · ranking