Since 1 Guyanaese Dollar is equal to 0.6368481513972974 Nepalese Rupees, we could say that n Guyanaese Dollars are equal to 0.6368481513972974 times n Nepalese Rupees. In other words, we could use the following formula:
Nepalese Rupees = Guyanaese Dollars x 0.6368481513972974
For example, let's say that we want to convert 2.0 Guyanaese Dollars to Nepalese Rupees. Then, we just replace Guyanaese Dollars in the abovementioned formula with 2.0:
Nepalese Rupees = 2.0 x 0.6368481513972974
That is, 2.0 Guyanaese Dollars are equal to 1.273696302794595 Nepalese Rupees.