Disclosed is a method for automatically determining a fare for utilizing chargeable means of transport conveying persons. According to said method, a credit which is established in a currency that is valid in a first currency zone and is used for automatically deducting the fare when utilizing a means of transport is allocated to a user terminal, a factor for converting the first currency into a second currency that is valid in a second currency zone is defined as soon as the user terminal is utilized in a second currency zone, and fares are automatically determined in the second currency, are converted into the first currency using the defined conversion factor, and are deducted from the credit established in the first currency as long as the user terminal is not utilized in another currency zone.