Units & Currency Converter

Convert units quickly for engineering and everyday work. Units Converter brings 53 physical quantities and 520 unit entries together in a clear, searchable catalog. ENGINEERING, ORGANIZED Dimensions and time, mechanics, fluids and flow, energy and thermal, electricity, magnetism, light and radiation, chemistry and digital data. Convert pressure, temperature, mass and volume flow, density, viscosity, power, torque and more. WORK OFFLINE Physical conversions work without internet. Search quantities and units, switch source and target, see multiple results at once, and copy or share a conversion. Save your favorite quantities and up to 50 conversions in local history. PRECISE DEFINITIONS Separate US and UK units, temperature differences and absolute temperatures, and reciprocal fuel economy. Choose 6, 8, 10 or 12 significant digits for display. Technical notes explain the reference assumptions. CURRENCY REFERENCE Get reference exchange rates for 30 currencies from UniRateAPI, with the retrieval time displayed. Refresh online through a shared cache and use saved rates offline. Exchange Rates By UniRateAPI (https://unirateapi.com). Rates are informational and exclude transaction fees and spreads. YOUR PREFERENCES Portuguese and English. Light, dark or system appearance. Compatible updates are offered through an in-app dialog. FREE TO USE No account, no ads and no in-app purchases. Find the developer's other engineering apps in Settings, with links to their store pages. Engineering results require checking the units and physical assumptions for your application. Legacy Swift favorites are not automatically imported.