Tuesday, August 06, 2013

How to calculate litres per 100 kilometres for your car.

The problem with using the stated litres per 100 kilometres for your car is it may not reflect the true cost of running your car. If what I've read is correct the measurements are very well specified and performed in a lab. Now if you drive your car in a lab then the figures will probably work for you. But the reality is how you drive, the environment in which you drive will affect your fuel consumption. In addition I've noticed that a car that is well maintained and just a couple of years old will have increase fuel consumption by up to 10%. That's a huge difference.

The best thing to do is to measure your own fuel consumption over a number of tanks. One series of tests for driving around the city and another for country driving. Then you'll have a better fuel consumption figure that measures your consumption for you and your car.

To help with the maths of working out litres per 100 kilometres I've written a calculator which can be found at http://www.petrolcostcalculator.com.au/litres-per-100-km/. This is part of my Petrol Cost Calculator.

To work out you litres per 100 kilometres you simply need to enter the distance travelled in kilometres for the petrol used in litres. To do this fill up your tank as far as possible (without overflowing) and then reset your trip meter to zero. Next time you fill up again fill up as far as possible and then record the litres and the distance on the trip meter. If you do this three times you'll have a pretty good average of your petrol usage. You can then use that figure to help determine the fuel cost of travelling distances (using the Petrol Cost Calculator) and that can be handy when deciding whether or not to take public transport, or for a holiday, whether it is better to drive, fly, or take some other form of transport.

Kelvin Eldridge
Online Connections
www.OnlineConnections.com.au
Call 0415 910 703 for computer support.
Servicing Templestowe, Doncaster, Eltham and the surrounding area.

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