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MPG Calculator - from Miles & Litres or your last fill up cost.

"Calculate your Miles per Gallon (UK Imperial)"

Please bookmark our real world MPG Calculator and try again after using our fuel saving tips (we bet you get another 50 miles out of a tank!).

Enter Mileage and Fuel used since last fill-up:
Use your trip counter and reset when you fill up ensuring that the tank is full then when empty fill up to full again noting the mileage covered.

TorqueCars Fuel Saving tips:

Allow the car to coast in gear the last 700 yards up to a junction rather than accelerate all the way. Look out for junctions and ease off the throttle as soon as you can.

Drive with a maximum 1/3 to 1/2 throttle - if you get the revs right you will not notice much of a loss of power.

Avoid braking and stopping (2 of the biggest fuel wasters) - anticipate the road ahead and roll up to roundabouts. (If you're good you can avoid using your brakes on a typical journey!!!)

If its hot open the window rather than turn on the air conditioning, if it's really hot open another window and turn the blowers on, if your steering wheel starts melting then turn on the air conditioning. (At speeds over 30mph there is an argument for using the air conditioning to counter the drag from an open window!)

Avoid using things that drain the battery - because extra pull occurs on the Alternator requiring more fuel (aircon is very noticeable). The big drains are rear window heater, blowers & heaters, headlights.

Inflate your tyres to the correct pressure. (Fully laden pressures or just under seems to give the best MPG but more pressure can increase the mid tyre wear if it's too extreme so don't over do it.) Check your pressures monthly or more frequently - if you calculate your MPG and it is lower then your tyre pressures are usually to blame.

Try to maintain a constant speed - 75 mph uses far more fuel that 65 mph. A distance of 50 miles at 75 mph takes 39.6mins but at 65 it takes 46.2 mins So is 6.6 minutes of your time, the increased risk of being killed, the extra damage to the environment and the extra wear on the engine really worth the extra 25% fuel cost!

Hotter engines are more economical than colder ones - changing the thermostatic control or partially blocking the radiator MAY help on SOME cars. (Run the engine too hot and you will break it - you have been warned.) Use TorqueCars MPG tuning articles for some practical tuning tips to improve your cars MPG.

Empty the boot of tools you've use and haven't got round to taking out, the camping equipment from last year, and the box of junk you have kicking around - less weight = more fuel economy so if you went on a diet that would help as well.

Keep the car well serviced - change the plugs, oil, filters and check the bearings and ensure that the brakes are not dragging. Fully disengage the hand brake as well when you drive off!

Avoid idling the engine for long periods of time - turn it off at railway crossings etc...

Take off the roof rack as the drag this creates really does increase your fuel consumption.

Put some injector cleaning like redex in - it really does help keep things at peak efficiency and in my car added 2 mpg!

Fuel magnets did not work for me I wouldn't bother with them!!!

Don't be lazy. Walk to the corner shop - it's only 3 minutes away.

Use this MPG calculator again - it will remember your last 4 results to enable you to track your success!

If you liked this page please share it with your friends, drop a link to it in your favourite forum or use the bookmarking options to save it to your social media profile. Improve your MPG Quarter mile time calculator Top 10 performance mods Ricer or Racer

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Your Constructive comments on this article



20 Responses to “MPG calculator UK miles per Gallon – calculate MPG”

  1. Dan says:

    hi, wow it really works!
    Have a 1.6l mk3 golf i gained 16 miles out of £20 worth of fuel, which would equate to 48 miles per tank. just by changing my driving style. 35.8MPG on urban driving. better than what the factor said! thanks!

  2. Debbie says:

    Try keeping a small cash book & pen in the glove compartment to record all your fuel-filling (dates, prices, litres, mileage/trip etc) and you’ll soon spot any differences in consumption.
    It can be a warning flag for minor problems too, before they get major, so If you can’t find valid reasons for a drop in fuel economy, give the car a timely check-up. For example, a leaky exhaust might get spotted in time for a repair, instead of a full replacement!
    :o)

  3. Ian says:

    A very good site,just wish i could get more MPG out of my Toyota Aygo 1.0L
    3xcylinder 44mpg on a bad week .57 mpg on a good one,

  4. Chas Clarke says:

    Found the site great for calculating how much mileage I am doing per gallon, this helps me because at my age I was taut in miles per gallon and NOT miles per litre. It is really helpfull for people like me. Thank you

  5. Jack says:

    I have been driving under a year and already started to drive looking way ahead, Out of a 1.2l corsa i can get 42mpg quite often and that doesnt really involve driving stupidly slow. Just carefully and not really using the breaks just coasting down.

  6. Kris says:

    It’s also worth noting some tyres will hike your fuel consumption up, I noticed it in my 406 as well as the current Xsara.
    Good tips about the driving style, driving at 50 mph in the 2nd only feels quicker than in the 5th, but the petrol goes so much more quickly :-)

  7. F C says:

    I have only been getting 300 miles (30mpg) to a tank on a brand new 1.2 corsa, with an extra few pounds of air in the tyres I’ve been able to increase it to 320 miles (32.33). Hopefully this will increase when the engine has been fully run in.

    • CT says:

      I’m regularly getting more than 30mpg out of my Land Rover Defender (2004) Td5. Its shaped like a brick and weighs 2 tons. If your fuel economy is worse than this in a small car, somethings wrong or you have an automatic gearbox and a heavy right foot!

    • Mikey says:

      I have been using all tips from the above article for years. Last year I have converted My petrol vehicle to run on LPG which halved My fuel bills.

    • Rob says:

      Good thinking, but don’t forget that overinflating your tyres causes uneven wear and a longer stopping distance

  8. Anne says:

    Really easy to use this site. I am a bit sad to only get 26 mpg from my 14 year old Toyota Avensis. But…. when it has got through last 3 MOT’s needing only a headlight, and is as reliable as a Blackpool Donkey (that is meant as a real positive) – I am reluctant to upgrade. I recycle all the time, so eco-credentials not totally trashed!

  9. Nissan Micra says:

    Very good article and informative.
    hard accelerating.
    avoid changing lanes often
    :-)

  10. Dennis says:

    Had just changed my car to a vw 1,4s Golf and was concerned that the fuel guage reading was dropping quite quickly. However, setting off to work from home 5 minutes earlier each day, hence I could drive slower, I used your excellent fuel calculator tool and found I was getting 47.38mpg! Brill. Thanks

  11. Roverman says:

    Very good site thanks, I Have a Rover 75 diesel auto and using your tips, out of the last 1294 miles have used 184.62 litres which I think relates to 31.86 mpg of which 280 miles towing a caravan quite good eh.? cheers.

  12. Ged says:

    After buying a Mazda MX5 I have been tracking my fuel which is doing 35 mpg.
    Noticed I have a slow puncture which is affecting the economy. The site helped me spot this! Thank you

  13. Leslie Wood says:

    Interesting and reflects my experience. My Honda Jazz has CVT auto gearbox. I find this far more efficient (fuelwise) than conventional auto box. I regularly use engine breaking by dropping to S mode or even L mode. By far the greatest improvement in consumption came from anticipation driving.

  14. Mike says:

    If you drive an automatic with a tiptronic our manual gear change option chose manual on the motorway in top gear. It will prevent the gearbox from changing down when you crest hills and reduce your consumption… also with some practice you can up change on normal driving ahead of the automatic rev threshold ..I can impact upto 20% on my MPG by selecting manual changes… you just need to practice..

  15. jeff p says:

    It really helps to know cost of a mile. Are those short trips really worth making ? Would you even make them if you had to walk, even when its not raining ? The cost of a cycle seems to be more than compensated when offset against fuel, it’s healthy too

  16. Andy Marsh says:

    Petrol and diesel are becoming very expensive , and always seem to go up , never down .I used to have a lightweight racing bike in the back of my van , and sometimes rode into town , we should all cycle more and use less fuel . If we act in mass we reduce the demand for high fuel , and therefore it would be brought down . Supply and demand here..

  17. Micra 1l cvt auto says:

    Make a gap if you are in a long line of traffic so the locals can get out and it helps with with space to engine brake.Remember that touching the brakes costs money and momentum.Love the site.

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