Since 1 Namibian Dollar is equal to 0.288456603158 Polish Zloty, we could say that n Namibian Dollars are equal to 0.288456603158 times n Polish Zloty. In other words, we could use the following formula:
Polish Zloty = Namibian Dollars x 0.288456603158
For example, let's say that we want to convert 2 Namibian Dollars to Polish Zloty. Then, we just replace Namibian Dollars in the abovementioned formula with 2:
Polish Zloty = 2 x 0.288456603158
That is, 2 Namibian Dollars are equal to 0.576913206316 Polish Zloty.