A cruise ship uses a lot of fuel and if you think your fuel mileage is bad on your car or truck then be glad you do not have to fuel a cruise ship.
The average cruise ship uses between 30 to 50 gallons of fuel per one mile of traveling.
That's really bad fuel mileage for a car but pretty good for a cruise ship because the cruise ship has a large engine that consumes lots of fuel.
In one day of cruising in the cruise ship it can consume 80,000 gallons of fuel per day which is around 250 tons of fuel.
That's a lot of fuel and very costly.
To fill a fuel tank on a cruise ship just one time costs on average of $3,170,391.00 depending on cost of fuel.