# Unit Converter Professional > Convert 150+ units, run 60+ calculators & dev tools. Ad-free. Works offline. Canonical page: [https://chrome-stats.com/d/com.firefly2318.unitconvertpro](https://chrome-stats.com/d/com.firefly2318.unitconvertpro) ## Overview - **ID:** `com.firefly2318.unitconvertpro` - **Platform:** Android - **Type:** Android app - **Status:** Available - **Publisher:** Firefly2318 - **Category:** TOOLS - **Downloads:** 16 - **Version:** 1.1.23 - **Last updated:** 2026-09-08 - **First published:** 2026-09-08 - **Publisher country:** GB - **Size:** 37 MB - **Data as of:** 2026-09-14 - **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.firefly2318.unitconvertpro) - **Website:** [http://roberttatephotography.co.uk](http://roberttatephotography.co.uk/) - **Privacy policy:** [https://docs.google.com/document/d/e/2PACX-1vTvSxjpzQ2Y2FHXOOwziZ6B9GlQhvILnQTMOrMU3Pjzamb0u1uPYEr-9\_z4FsJLvyBf1g8A5tkJ5uay/pub](https://docs.google.com/document/d/e/2PACX-1vTvSxjpzQ2Y2FHXOOwziZ6B9GlQhvILnQTMOrMU3Pjzamb0u1uPYEr-9_z4FsJLvyBf1g8A5tkJ5uay/pub) ## Description The last unit converter you'll ever need.

UnitConvert Pro packs 150+ units, 60+ calculators, and a full suite of developer and science tools into one beautifully designed, ad-free app.

โ–ธ 17 CATEGORIES

๐ŸŒ General โ€” Length, Weight, Temperature, Area, Volume, Time, Speed, Data Storage, Currency, Shoe Sizes, Fuel Economy
๐Ÿ”ญ Physics โ€” Pressure, Energy, Force, Frequency, Angle, Power
๐Ÿณ Cooking โ€” Unit converter, Egg Timer, Steak Doneness, Recipe Scaling, ABV Calculator
๐Ÿ”จ Trade Tools โ€” Plumbing, Construction, Electrician, Joinery, Bubble Level, Ruler, Compass
๐Ÿ“ท Photography โ€” Exposure, Depth of Field, ND Filters, Crop Factor, Timelapse
๐Ÿ’ป IT Tools โ€” UUID, Hash, Encode/Decode, JSON, Regex, IP Subnet, Password Generator & more
๐Ÿ“ฑ Device Tools โ€” QR Scanner, QR Generator, Speed Test, Device Info, Luminosity Meter
๐Ÿ’ฐ Finance โ€” Mortgage, Compound Interest, ROI, Take Home Pay, Loan Repayment
โค๏ธ Health โ€” BMI, Daily Calories, Heart Rate Zones, Water Intake, Blood Pressure
๐Ÿ”ข Math โ€” Quadratic, Trigonometry, Statistics, Probability, Percentages, Logarithms
๐Ÿงช Laboratory โ€” pH, Molarity, Serial Dilution, Sensitivity & Specificity, Titration
๐Ÿ›’ Daily Life โ€” Shopping Discounts, Work Scheduler, Body Measurements, Sewing
๐Ÿ  Home & DIY โ€” Paint, Tiles, Wallpaper, Flooring, Concrete, Roof Pitch, Staircase
๐Ÿš— Automotive โ€” Fuel Cost, Tyre Size, Stopping Distance, EV Range, Engine Displacement
๐ŸŽต Music โ€” BPM Delay, Note Frequency, Capo Transposer, Bar Duration
โœจ Astronomy โ€” Light Years, Telescope FOV, Angular Size, Orbital Period
โ™ป๏ธ Environment โ€” Flight Carbon, Drive Carbon, Energy Cost, Solar Panel Output

โ–ธ STANDOUT FEATURES

- Live currency rates โ€” 22 currencies, automatically refreshed
- Batch conversion โ€” paste multiple values, convert all at once
- Compare mode โ€” two calculator scenarios side-by-side with delta %
- Formula display โ€” see the exact formula behind every conversion
- Colour-coded results โ€” health values highlighted green, amber, or red
- Recent conversions โ€” quick-access chips for your last used unit pairs
- Custom units โ€” define your own units with any conversion factor
- Long-press to copy โ€” any unit row copies a formatted conversion string
- Share results โ€” send any result via the system share sheet
- Save snapshots โ€” pin calculator results for later comparison
- Unit search โ€” filter any category's unit list instantly
- Periodic Table โ€” searchable element grid with full detail cards

โ–ธ DESIGNED FOR CLARITY

- Three themes: Dark, AMOLED, and Light
- Monospaced results for easy reading
- Accent colour override โ€” personalise the app colour
- Compact mode to fit more on screen
- Number format: US (1,234.5) or European (1.234,5)

โ–ธ PRIVACY FIRST

- No ads, ever
- No account required
- No behaviour tracking or analytics
- All data stored only on your device
- Camera used only for QR scanning
- Motion sensors used only for Bubble Level

โ–ธ BUILT FOR PROFESSIONALS

Whether you're a scientist, engineer, developer, nurse, electrician, photographer, student, or just someone who needs a quick conversion โ€” UnitConvert Pro has the tool you need. One app. Every unit. No compromises.

๐ŸŽ‰ LAUNCH OFFER โ€” Unlock all 17 categories for just ยฃ1.99 (one-time, no subscription). General category is free forever. ## Rankings - #2,675,654 โ€” Overall ## Permissions and access ### Permissions - `android.permission.ACCESS_NETWORK_STATE` - `android.permission.CAMERA` - `android.permission.HIGH_SAMPLING_RATE_SENSORS` - `android.permission.INTERNET` - `android.permission.RECORD_AUDIO` - `android.permission.SYSTEM_ALERT_WINDOW` - `android.permission.VIBRATE` - `android.permission.WRITE_EXTERNAL_STORAGE` - `com.android.vending.BILLING` - `com.firefly2318.unitconvertpro.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION` ## Similar extensions and apps - [Unit Converter Pro](https://chrome-stats.com/d/com.VivaByte.unitconverter.pro) โ€” 29 users - [Unit Converter Advanced](https://chrome-stats.com/d/com.squareetlabs.unitconverteradvanced) โ€” 82 users - [Unit Converter Pro](https://chrome-stats.com/d/com.wConverterSphere_20029988) โ€” 6 users - [Unit Converter Pro โ€“ All Tools](https://chrome-stats.com/d/com.vertexline.smartunitconverter) โ€” 4 users - [Unit Converter Universal-Pro](https://chrome-stats.com/d/com.idp.unitconverter) โ€” 8 users - [Unit & Currency Converter PRO](https://chrome-stats.com/d/com.fluttrix.unit_converter) โ€” 60 users - [Unit Converter-UnitConvert Pro](https://chrome-stats.com/d/uz.zokirov.unitconvert) โ€” 19 users - [Unit Converter Pro](https://chrome-stats.com/d/com.appfactory.unitconverterpro) โ€” 5 users - [Unit Converter](https://chrome-stats.com/d/com.androidapps.unitconverter) โ€” 10,865,458 users, 4.50 / 5 - [Unit Converter Pro: All Units](https://chrome-stats.com/d/com.dino.unitconverter) โ€” 3 users - [Unit Converter Lite 30-in-1](https://chrome-stats.com/d/com.yodha.unitconverterlite) โ€” 23 users - [Unit Converter X](https://chrome-stats.com/d/com.acropx.unitconverterx.unitconverterx) โ€” 237 users --- Source: [Chrome-Stats](https://chrome-stats.com/d/com.firefly2318.unitconvertpro)