**How much petrol should I put in my car?** If you’re planning a trip and need to know how much petrol you should put in your car, this petrol calculator is for you.

Just enter the cost per litre of petrol, how far you need to travel, your car’s MPG and whether or not you need to calculate a return trip and you’ll get an estimated **petrol cost and petrol quantity calculation.**

Don’t know your car’s actual MPG? Use our MPG calculator to determine the exact fuel efficiency of your car.