BB FPS Converter is a app that helps you convert between BB velocity, BB weight, and BB energy. It easily and quickly converts results as you change the values.

This app is intended for paintball, airsoft, and air guns that uses air to propell its ammunition. It does not matter whether the ammmunition is made out of plastic, metal, or paint, because it uses the universal unit of velocity, weight, and energy.

Is a fully featured unit
converter & calculator with more than 1200 Units .

A scientific calculator with unit converter and calculations log.

* 1.5 Update *

All -n- Calculator is not just another calculator app but is a collection of useful calculators. It consists of a tip calculator, mortgage calculator, auto loan calculator, sales calculator, basic calculator and a conversion calculator that converts the more common units of measure.