Cash4Gas is your Best Travel Companion for Calculating Fuel Costs and Vehicle Ranges Quickly and Easily Convert ANY Fuel Price into Trip Cost and Cost per Mile Effortlessly Toggle Between One Way and Round Trip (TwoWay) with just the Touch of a Button! Review your Previous Calculations like a QB reviewing Game Tape by using the upper right hand Mahjong Tile Button The Previous 16 Calculations are now at your fingertips.....its so Easy! Whether purchasing Gallons of Gas in Miami, or Liters of Gas for a Scooter in Saigon using Vietnamese Dong .....Cash4Gas has your Back!! Just enter Fuel Price and Trip Distance to Calculate an entire Table of Trip Costs. Add Gas Tank Size and Fuel Economy to Calculate the Specific Costs of your Vehicle. Press the Calculate Button to Build a New Fuel Costs Data Table Press the Reset Button to Clear all the Fields for a New Entry Mute or unmute audio at will Calculate Values in the Units of any Major Global Fuel Economy Standard Whether MPG.....L / 100km......km / L......or even MPG UK (Imperial Gallons)......Cash4Gas has you covered See the Fuel Economy and Fuel Capacity of your Vehicle in Global Units......now you can Relax when Crossing that Foreign Border! With Cash4Gas now you can Rest Easy at the Gas Pump. Cash4Gas, Travel Like a Boss!! *Works on iPhone and iPad