ConvertALL Unit Converter vs Convertall

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!

The unit converter that gets out of your way. Type a value and every result updates instantly — no "convert" button, no clutter, no waiting. WHY YOU'LL KEEP IT • Live as-you-type conversion — results change with every keystroke • See every unit at once — one value, the whole category converted • Pin and reorder your favorites — the units you actually use, on top (most apps force alphabetical order; this one doesn't) • Conversions work 100% offline — no account, no sign-up, nothing to load • One discreet banner — remove it forever with a single purchase. No full-screen ads, no video, no subscription. 13 CATEGORIES, 94 UNITS Length • Weight • Volume • Temperature • Area • Speed • Time • Data storage • Pressure • Energy • Power • Angle • Data rate Everyday conversions other apps skip: internet speed (Mbps ⇄ MB/s), cooking measures (tablespoons, cups, oven thermostat) and land area (hectares, ares, acres). From meters and miles to Celsius and Fahrenheit, kilograms and pounds, liters and gallons, megabytes and gigabytes, and more. MADE WITH CARE • Clean design where the number is king • Full dark mode • VoiceOver and Dynamic Type support • Available in 10 languages Tap any result to copy it. A converter that just works.