Unit Converter

Unit Converter Pro is a fast, accurate, and completely offline unit converter. No internet, no accounts, no ads, and no permissions — it just works, instantly, anywhere. Whether you're cooking, studying, working on a DIY project, traveling, or doing your job, convert between 150+ units across 16 categories in a clean, modern interface built for speed. ── 16 CATEGORIES, 150+ UNITS ── • Length — mm, cm, m, km, inch, foot, yard, mile, and more • Weight & Mass — mg, g, kg, tonne, ounce, pound, stone • Temperature — Celsius, Fahrenheit, Kelvin • Area — sq m, sq ft, acre, hectare, and more • Volume — ml, litre, gallon, cup, pint, fluid ounce • Speed — km/h, mph, m/s, knots • Time — ms, seconds, minutes, hours, days, weeks, years • Data Storage — bytes to petabytes (binary and decimal) • Pressure — pascal, bar, psi, atm • Energy — joule, calorie, kWh, BTU • Power — watt, kilowatt, horsepower • Angle — degree, radian, gradian • Fuel Economy — L/100km, mpg (US & UK), km/L • Cooking — cups, tablespoons, teaspoons, millilitres • Frequency — Hz, kHz, MHz, GHz • Currency — 20+ currencies with your own editable rates ── BUILT FOR SPEED ── • Live conversion as you type • One-tap swap between "from" and "to" units • See your value converted to every unit in a category at once • Long-press any result for full precision • Copy or share results instantly ── MADE YOUR WAY ── • Star your most-used conversions as favorites for one-tap access • Search across every unit and category • Automatic history of your recent conversions • Adjustable decimal precision (2–10 places) • Beautiful Material Design with full dark mode ── 100% OFFLINE & PRIVATE ── • Works with zero internet connection • Requests NO permissions whatsoever • No ads, no tracking, no sign-up • Tiny download, lightning fast A note on currency: exchange rates are manual by design, so the app stays fully offline. Set your own rates once and edit them anytime — perfect for quick travel budgeting without a data connection. Fast, precise, private, and free. Download Unit Converter Pro and convert anything, anywhere.