Convert anything, instantly. Unit Converter is a fast, beautiful, and private converter for everyday units, world currencies, and crypto — all in one app.
NEW — Finance section
• Live Currency Converter: up-to-date exchange rates for dozens of world currencies. Works offline using your last saved rates.
• Crypto Converter: Bitcoin, Ethereum and 20+ leading coins at live prices. Convert any coin straight into your local currency (e.g. BTC → USD).
28 categories, 300+ units
Length, mass, temperature, area, volume, speed, time, data, pressure, energy, power, force, torque, angle, frequency, density, fuel economy, illuminance, and many more.
Built for everyday use
• Type math right into the converter (e.g. 12 + 3 × 2)
• See one value in every unit at a glance
• Favorites and history, always a tap away
• Powerful search across every unit and category
• Siri Shortcuts & Spotlight — convert without opening the app
Made to feel great
• Clean design with light, dark, and 8 accent colors
• Adjustable decimals, grouping, and scientific notation
• Haptics and full Dynamic Type support
• 8 languages
Fast, offline-first, and privacy-friendly — no account, no tracking.
Download Unit Converter and convert with confidence.
