UnitMaster: Unit Converter Live

UnitMaster is a fast, beautiful, and 100% offline unit converter for everyday and professional use. Convert length, weight, temperature, area, volume, time, speed, and data — all in a single tap, with no clutter and no internet required. WHY UNITMASTER • Lightning fast — results update live as you type, no Convert button to hit. • Beautifully minimal — a clean dark interface designed to stay out of your way. • Truly offline — every conversion runs on your device. No account, no login, no tracking of your inputs. • Tiny and efficient — under 10 MB, instant launch, no battery drain. • Free forever — supported by unobtrusive ads. CONVERSION CATEGORIES 📏 Length — millimeter, centimeter, meter, kilometer, inch, foot, yard, mile, nautical mile ⚖️ Weight / Mass — milligram, gram, kilogram, metric ton, ounce, pound, stone 🌡️ Temperature — Celsius, Fahrenheit, Kelvin 📐 Area — square millimeter through square mile, plus acre and hectare 🧊 Volume — milliliter, liter, cubic meter, teaspoon, tablespoon, fluid ounce, cup, pint, quart, US gallon, UK gallon ⏱️ Time — millisecond, second, minute, hour, day, week, month, year 🚀 Speed — meter / second, kilometer / hour, mile / hour, foot / second, knot 💾 Data — bit, byte, kilobyte, megabyte, gigabyte, terabyte WHAT YOU CAN DO • Pick from 8 conversion categories on a clean home grid. • Live conversion that updates as you type — no need to hit a button. • Swap the FROM and TO units with a single tap. • Copy the result to your clipboard instantly. • Switch between Dark and Light themes from Settings. • Read your privacy policy directly inside the app. POPULAR CONVERSIONS kg to lbs, lbs to kg, cm to inches, inches to cm, °C to °F, °F to °C, km to miles, miles to km, liters to gallons, gallons to liters, MB to GB, kph to mph, mph to kph, °C to K, ft to m, m to ft, oz to grams, grams to oz. PRIVACY-FIRST DESIGN UnitMaster never collects your conversions, history, or personal information. Settings are stored only on your device. Ads are served by Google AdMob; you control personalization on first launch and from Settings → Manage ad consent. Built by an independent developer who believes utilities should be fast, free, and respectful of your privacy. Made with care. Have feedback? Tap Settings → Send feedback.