Unit Converter - All in One

Unit Converter is a fast, accurate, and privacy-first calculation utility designed for everyday use, students, travelers, engineers, and professionals. Convert across 54 comprehensive categories completely offline, or access live foreign exchange rates with interactive visual charts.

⭐ Key Features

● Category Tabbed Dashboard
Navigate effortlessly across 54 conversion categories grouped into intuitive tabs: Basic, Living, Science, and Digital. Quick category search and smart keyword filtering make finding any unit instant.

● Real-Time Currency Exchange
Convert between 30+ major global currencies with live exchange rates. Features a 14-day historical rate trend chart to track market movements visually. Works offline with automatic fallback to cached rates.

● Smart Engineering & Lifestyle Tools
- Resistor Color Code: Interactive 4-band and 5-band color calculator with live resistance and tolerance readout.
- AWG Wire Gauge: Conductor sizing tool with diameter, cross-section area, resistance, and ampacity.
- Blood Sugar Converter: Fast conversion between mg/dL and mmol/L with health range indicators.
- Time Zone World Clock: Global city clock list with UTC offset comparisons and 24-hour day slider.
- Apparel & Shoe Sizes: Universal international sizing tables for US, UK, EU, and JP.

● 54 All-in-One Conversion Categories
- Basic: Length, Weight/Mass, Temperature, Area, Volume, Speed, Time, Fuel Economy, Cooking.
- Science & Physics: Pressure, Power, Energy, Force, Torque, Density, Viscosity, Specific Heat, Illumination, Radiation Dose, Sound Level, Flow Rate, Frequency.
- Electrical & Magnetism: Voltage, Current, Electrical Charge, Resistance, Capacitance, Inductance, Conductance, Magnetic Flux, Magnetic Field.
- Digital & Math: Data Storage, Data Transfer Rate, Number Systems (Hex, Oct, Bin, Dec), SI Prefixes, Typography, Angle.
- Specialized: Nutrition Energy, EV Range, Blood Sugar, AWG Gauge, Resistor Color Code, Apparel, Shoe Size, Paper Size, Concentration, Thermal Conductivity.

● Built-In Expression Calculator
Enter math expressions like (15 + 35) * 1.2 directly into the input field for real-time calculation and instant conversion.

● 100% Privacy & Offline Capability
- No account, login, or personal data collection required.
- All conversions run 100% locally on your device.
- All 54 standard categories work fully offline without an internet connection.

Recent changes:
🎉 What's New:
• 20+ New Categories: Voltage, Current, Charge, Acceleration, Astronomy, Sound, Paper Size, Nutrition, EV Range, Textile & more (54 total!).
• Interactive Shoe Size & Apparel converters.
• Two-way Conversion: Edit either unit field for instant calculations.
• Modern 3-column dashboard with smart tool badges.
• Country flag selector with full support for 17 languages.
• Android 15/16 (API 36) support & performance fixes.