Apps. Books. Services.
For anyone looking to convert fuel economy ratings, this is the app for you. Now, when a salesperson gives you ratings in L/100km, you'll be able to keep up by converting to miles per gallon (MPG) and back again.
If you haul a travel trailer or fifth wheel, and you're interested in making sure your weight limits are all ok before you head out on the road, then this is the app for you.