Is 44 EU really a size 13 US?

I normally wear size 10 US. All my Nike shoe boxes say size 10 US is equivalent to 44 EU. Should I stick with the 44 EU for these, or should I swap for a smaller size?

I normally wear size 10 US. All my Nike shoe boxes say size 10 US is equivalent to 44 EU. Should I stick with the 44 EU for these, or should I swap for a smaller size?