Polly Convert is the only unit converter you'll ever need. With 10 categories and 74+ units, it handles everyday conversions and specialized calculations with ease.
INGREDIENT-AWARE COOKING CONVERSIONS
Unlike other converters, Polly Convert knows that a cup of flour doesn't weigh the same as a cup of honey. Select from 8 common ingredients — flour, sugar, butter, rice, milk, honey, olive oil, and water — and get accurate volume-to-weight conversions every time.
10 CONVERSION CATEGORIES
Cooking — volume, weight, and ingredient-aware conversions
Weight — milligrams to metric tons
Temperature — Celsius, Fahrenheit, Kelvin
Distance — millimetres to nautical miles
Area — square metres, acres, hectares, stremma & more
Speed — m/s, km/h, mph, knots
Time — milliseconds to weeks
Digital Storage — SI (KB, MB, GB) and binary (KiB, MiB, GiB)
Pressure — pascals, bar, PSI, atmospheres, mmHg
Energy — joules, calories, watt hours, BTU & more
DESIGNED FOR REAL USE
Quick reference cards for common conversions
Smart decimal handling — auto, fixed (2/4/6), or scientific notation
Instant results as you type
Copy results with one tap
Swap units instantly
CLEAN & COMFORTABLE
Light, dark, and system themes
Material Design 3
Haptic feedback on actions
Available in English and Greek
Free to download. No account required.