Unit Converter Professional

Firefly2318

In-app purchases

About this app

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.

▸ 17 CATEGORIES

🌍 General — Length, Weight, Temperature, Area, Volume, Time, Speed, Data Storage, Currency, Shoe Sizes, Fuel Economy
🔭 Physics — Pressure, Energy, Force, Frequency, Angle, Power
🍳 Cooking — Unit converter, Egg Timer, Steak Doneness, Recipe Scaling, ABV Calculator
🔨 Trade Tools — Plumbing, Construction, Electrician, Joinery, Bubble Level, Ruler, Compass
📷 Photography — Exposure, Depth of Field, ND Filters, Crop Factor, Timelapse
💻 IT Tools — UUID, Hash, Encode/Decode, JSON, Regex, IP Subnet, Password Generator & more
📱 Device Tools — QR Scanner, QR Generator, Speed Test, Device Info, Luminosity Meter
💰 Finance — Mortgage, Compound Interest, ROI, Take Home Pay, Loan Repayment
❤️ Health — BMI, Daily Calories, Heart Rate Zones, Water Intake, Blood Pressure
🔢 Math — Quadratic, Trigonometry, Statistics, Probability, Percentages, Logarithms
🧪 Laboratory — pH, Molarity, Serial Dilution, Sensitivity & Specificity, Titration
🛒 Daily Life — Shopping Discounts, Work Scheduler, Body Measurements, Sewing
🏠 Home & DIY — Paint, Tiles, Wallpaper, Flooring, Concrete, Roof Pitch, Staircase
🚗 Automotive — Fuel Cost, Tyre Size, Stopping Distance, EV Range, Engine Displacement
🎵 Music — BPM Delay, Note Frequency, Capo Transposer, Bar Duration
✨ Astronomy — Light Years, Telescope FOV, Angular Size, Orbital Period
♻️ Environment — Flight Carbon, Drive Carbon, Energy Cost, Solar Panel Output

▸ STANDOUT FEATURES

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

▸ DESIGNED FOR CLARITY

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

▸ 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

▸ BUILT FOR PROFESSIONALS

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

🎉 LAUNCH OFFER — Unlock all 17 categories for just £1.99 (one-time, no subscription). General category is free forever.