You need to be MUCH more specific. Please post a new question with the bill's date, seal color, how worn it is, and whether there is a small letter near the date.
Note that $1 bills with the date 1957 are only worth about $1.25, and anything from 1963 to the present is worth $1.
us$0.9985
1 Australian dollar is worth 1.06 Dollar in US
One Bahamian dollar in the US is worth one dollar.
A US dollar is worth 0.9822561 of a dollar in Europe
one dollar worth 30 rublei
1 us dollar is worth 30 taiwanian dollars
5.34
one dollar is worth a little over a dollar in Canada
How much is one US dollar worth in Jamaica
It is worth 152.5000
One dollar.
1 old dollar