ConvertALL Unit Converter vs Air Ruler

Why Ultimate Unit Converter? OFFLINE and LIFETIME Stop paying monthly subscriptions for simple tools. Ultimate Unit Converter is the premium, all-in-one solution for professionals, engineers, and everyday users—yours forever with a single, one-time purchase. No hidden fees, no recurring costs. All works offline. Designed for iPhone and iPad One of the most versatile and complete converter apps on the market. Ultimate Converter combines engineering precision, aviation-grade reliability, and everyday utility into one seamless experience. Whether you are an engineer analyzing fluid dynamics, a pilot calculating fuel loads, or a traveler shopping for clothes abroad, we have built the specialized tools you need. WHAT YOU CAN DO: Advanced Engineering Suite Go beyond basic units. We have expanded our library to support serious technical work. Handle complex fluid dynamics with dedicated Flow Rate, Viscosity, and Density tools. Tackle mechanical problems with precise Torque, Force, and Acceleration converters. For the tech-savvy, we provide essential Data Speed (Internet), Frequency, Current, and Radiation conversions needed for academic and professional projects. Professional Aviation Toolkit A specialized mode trusted by pilots and ground crew. Perform critical Volume/Weight conversions for JET A/A1, AVGAS, and Oil. Unlike standard apps, we give you the power to interactively adjust density (kg/L) factors, ensuring your calculations match real-world flight conditions perfectly. Global Shopping Companion Never guess your fit again. Our integrated sizing charts instantly convert sizes for Shoes, Tops, and Pants across US, EU, UK, JP, CN, and MEX standards. Perfect for online shopping or international travel. Everyday Essentials We haven't forgotten the basics. Access fast and reliable conversions for Length, Area, Temperature, Pressure, Power, Energy, and Time. Plus, utilize advanced mathematical tools for Angles and Number Systems (Binary, Hex, Decimal). Simplify your complex calculations. Download Ultimate Unit Converter today!

Turn your iPhone into a real, precision ruler. No need for a physical ruler — your screen becomes a true mm/cm scale. Screen Ruler Mode Place your phone next to any object. The screen displays a real millimeter and centimeter scale. Perfect for: Small objects, parts, jewelry Paper, photos, cards Screen bezels, phone cases, printed materials Anything that requires a direct, physical scale Why Air Ruler? No physical ruler needed — your phone is all you need Pure screen ruler mode, no AR complexity Clean, simple, open-and-use interface Supports cm / inch switch Use Cases DIY & crafts: materials, fabric, model parts Office & study: book dimensions, on-screen image sizes Home & daily use: check length/width of small items Quick estimation: need to know how long something is? Just use your phone Air Ruler. Measure anywhere. — Privacy Policy please visit: https://docs.qq.com/doc/DREt1SXJkbG9JYUFT * **Terms of use (EULA)： * https://docs.qq.com/doc/DREdKR2ZwYUJaa1hr * **Terms of apple please visit: * https://www.apple.com/legal/internet-services/itunes/dev/stdeula/