Converto - Units & Currency

A simple converter for iPhone and iPad. Choose a category, scroll the unit wheels and enter a number. The result updates immediately as you type. EVERYDAY AND SPECIALIZED UNITS Explore 26 categories, including length, weight, temperature, area, volume, time, speed, pressure, energy and more. Convert fuel mass and volume using the density you enter. CALCULATE WITH LESS TAPPING Use the built-in calculator keypad, swap units, copy a result and open Formula to see the calculation. Good to know shows a useful reference conversion. CURRENCIES Download reference exchange rates from Frankfurter, view the rate date and refresh when needed. Currencies are listed alphabetically by code. Downloaded rates stay available offline. Reference rates may differ from bank and exchange-provider rates. SAVE YOUR CONVERSIONS Every section remembers its last value, unit pair and subgroup. Reopening the app resumes your last screen. Clear History resets the saved section states; Favorites stay saved. All these states are stored only on your device. Add useful conversions to Favorites and reopen them with their values and units. MAKE IT YOURS Choose light, dark or system appearance, switch between English and Russian, and select one of eight app icons. The default icon is kg/lb. The interface adapts to iPhone, iPad and landscape orientation. FREE AND PRIVATE No subscriptions, in-app purchases or advertising. No account, analytics SDKs or user tracking. Unit conversions work offline; an internet connection is needed for the first currency-rate download. Preferences, History and Favorites are stored on your device. Support: support@metarbot.com