The Roadtrip Gas Cost Calculator app is the BEST calculator to use for estimating the cost of your next road trip. Also, the app lets your email the results to your traveling buddies just so they dont forget to chip in for the gas. Roadtrip Calculators • Roadtrip Cost with US/Imperial units • Roadtrip Cost with Metric units Trip Converters • Cost per Mile/Kilometer • Relative Fuel Cost Difference • Trip Duration Efficiency Calculators & Converter • Fuel Efficiency Conversion • L/100 km Calculator • MPG calculator Distance Converters • Feet & Yards & Meters • Miles & Kilometers Misc Converters • Area Converter • Fuel Efficiency Conversion • Imperial & US Units • Metric Units Converter • Volume Conversion This app features: • Send your calculations or conversions by email • Universal App (iPhone, iPod Touch, and iPad) • Retina Display graphics • Fast app switching • Automatically Saves Your Inputs • Latest version of iOS is supported • iPhone 6, 6+, 5 screens and the original 3.5 inch screen are supported No network connectivity required.