Unit Converter is the best free unit converter for Android. It's fast, lightweight, easy to use, and has an extensive list of supported measurements. It's perfect for everyday usage and can be used for multiple purposes.

It has multiple categories for quick, easy, and accurate conversions. These categories include: area, weight, volume, speed, time, energy, power, temperature, pressure, and money. You can select any of the categories and convert from one measurement to another. For example, you can convert from meters to inches, from meters to feet, from kilometers to miles, from pounds to stones, from dollars to euros, from dollars to pounds, from euros to dollars, from pounds to euros, from stones to dollars, from miles to kilometers, from miles to feet, from feet to kilometers, and from kilometers to miles.

You can also convert between various types of currencies: dollars, euros, pounds, yuan, rupees, yuan, pesos, rupees, and more.

You can choose between two types of units: imperial and metric. The latter is the most common in the US, but the former is more common in other countries. You can also choose to convert between units of the same type.