You didn't specify which country's peso you wanted to convert, so the best I can do is refer you to a site such as www.xe.com that posts daily conversion rates.
CAN$9.25 (Jan 2012)
13.86 Mexican Pesos (Jan 2012)
Roughly, 13.10 pesos per USD (Jan 2014).
1 Canadian Dollar = 83.4908 Japanese Yen As of 7th Jan 2010
Jan 15 2010 : 1 Canadian Dollar is worth 180 Hungarian Forint.
as of today, Jan. 21, 2009 - - $15.88 USD
4812.5 pesos (Jan 2012)
27.27 dollars (Jan 2012)
Jan 2010 : About 186 Mexican Peso
US$3.63 (Jan 2012)
Secret
Just the same; many of the circulating money now in Mexico was minted or printed from 1990 to 1999.