In some brochures or on some websites, it's likely that you'll see the fuel economy written in litres per 100 kilometres (l / 100 km), often to confuse the buyer and not to give a comparison point to other cars that the buyer may be looking at. To hide the car's flaws if you like.
In this article, I explain how to translate those metric values into the imperial ones that we're used to, and vice versa if you use metric measurements for everything.
The concept is the same, but find explanations and examples below.
mpg →l / 100 km
It's one of the simplest things you can do if you have a calculator. You don't need a scientific one for this. Oh, no! Your iPhone's built in calculator will do the trick.
The magic number is *282.4809363*. The magic symbol is *÷*.
So you've obviously got the mpg, just divide the magic number by how many mpg your car should be doing.
An uber-simple formula is:
282.4809363 ÷ 'x' mpg
l / 100 km →mpg
Take the same formula, but exchange the fuel economy for the value that you have. It's that easy, honestly!
The formula, then, is:
282.4809363 ÷ 'y' l / 100 km
That's too much for me to understand!
There's no need to understand the theory behind it, and if you're not that bothered about an exact conversion and can let go of a couple of decimal points, simplify the magic number to 282.5 or even just 282.
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