The 3 Grams Currency and Multi-Unit Converter is an all-in-one conversion app that can calculate and convert between various units. You can convert between a variety of units, including distance, area, volume, weight, time, temperature, and pressure.

The app also includes the ability to convert currency, which is useful if you are in another country and need to calculate the cost of a taxi in local currency, but you have no internet connection. The app can also be used to calculate the price of an item, the amount of a tax, and the cost of a service.

The app can also be used to calculate the amount of a gift, the value of a prize, and the price of an item.