Flip Unit: Unit Converter

Flip Unit: The unit converter built for everyone. Convert across 12 categories — cooking, distance, temperature, weight, area, volume, currency, pressure, power, speed, data, and fuel consumption — on your iPhone, Apple Watch, home screen, and lock screen. All for free. No ads, no tracking, no account required.

NEW IN VERSION 2.0
• Apple Watch app — full converter on your wrist with haptic feedback
• 12 Apple Watch complications — one-tap access to any category right from your watch face
• 7 widgets for iPhone — quick-launch any category from your home screen, plus live currency rates on home and lock screens
• iCloud sync — preferences and history across your iPhones and iPads, invisibly
• 5 new categories: Pressure, Power, Speed, Data Storage, Fuel Consumption
• Background rate refresh — currency widgets stay up to date without opening the app

CONVERSIONS INCLUDED
• Area — square feet, meters, acres, hectares
• Cooking — cups, ml, tablespoons, grams, with ingredient-specific weights for flour, sugar, rice, butter, and more
• Currency — 162+ currencies with live rates
• Data / Storage — KB, MB, GB, TB (decimal and binary)
• Distance — miles, km, feet, meters
• Fuel Consumption — MPG (US & UK), L/100km, km/L
• Power — watts, kilowatts, horsepower
• Pressure — PSI, bar, atmospheres, pascal
• Speed — mph, km/h, knots, m/s
• Temperature — Fahrenheit, Celsius, Kelvin
• Volume — litres, gallons, pints, fluid ounces (US & Imperial)
• Weight — lbs, kg, ounces, grams


WHY FLIP UNIT?
• Lightning fast
• Remembers your last-used units per category, on every device
• Clean, simple interface
• Works offline (except currency rates)
• No account required
• No ads or tracking

Perfect for cooking, travel, business, home improvement, and everyday use.

ACCESSIBILITY FIRST
Flip Unit is designed for blind and low-vision users from the ground up. Full VoiceOver support, haptic feedback on iPhone and Apple Watch, Reduce Motion awareness, Dynamic Type, and WCAG AA contrast.