Unit Converter & Measure

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.