Unit Converter All vs Unit Converter

The ultimate app with hundreds of built-in unit conversions for length, weight, temperature, and more. Easily create custom converters tailored to your needs. Supports multiple languages with seamless search in any supported tongue. Fast, accurate, and user-friendly – perfect for students, professionals, and travelers.

Convert any measurement in seconds — even with no signal. ConvertIt is a fast, offline unit converter covering 20 categories, from everyday length and weight to cooking measures, clothing sizes and live currency rates. Type a number, get the answer. No sign-up, no clutter. WHAT YOU CAN CONVERT • Length — cm, inches, metres, feet, miles, kilometres • Weight — kg, pounds, grams, ounces, stones • Temperature — Celsius, Fahrenheit, Kelvin • Volume — litres, gallons, millilitres, cups • Currency — live exchange rates, cached for offline use • Cooking — cups, tablespoons, grams, millilitres • Clothing & shoe sizes — US, UK, EU and JP charts • Area, speed, time, data, pressure, energy, power, force, fuel, angle, frequency • BMI and age calculators BUILT TO BE FAST • Works fully offline — currency rates are cached after the first update • Instant results as you type, with a purpose-built number pad • Favourites and history, so a conversion you do often is one tap away • Search across every unit at once • Light and dark themes WHY PEOPLE KEEP IT INSTALLED Most converters make you dig through menus. ConvertIt puts the number first: pick a category, type, done. It's the one to reach for when you're following a recipe in the wrong units, checking a shoe size before you buy, or working out whether that suitcase is over the weight limit. Free, offline, and quick to open.