| Country | Exchange rates |
| Mayotte | euros (EUR) per US dollar - 0.7715 (2010), 0.7179 (2009), 0.6734 (2008), 0.7345 (2007), 0.7964 (2006) |
| Mexico |  Mexican pesos (MXN) per US dollar - 12.39 (2011 est.) 12.636 (2010 est.) 13.514 (2009) 11.016 (2008) 10.8 (2007) |
| Micronesia, Federated States of | the US dollar is used |
| Moldova |  Moldovan lei (MDL) per US dollar - 11.67 (2011 est.) 12.37 (2010 est.) 11.11 (2009) 10.326 (2008) 12.177 (2007) |
| Monaco |  euros (EUR) per US dollar - 0.7107 (2011 est.) 0.755 (2010 est.) 0.7198 (2009 est.) 0.6827 (2008 est.) 0.7345 (2007 est.) |
| Mongolia |  togrog/tugriks (MNT) per US dollar - 1,228 (2011 est.) 1,357.06 (2010 est.) 1,442.8 (2009) 1,170 (2007) |
| Montenegro |  euros (EUR) per US dollar - 0.7107 (2011 est.) 0.755 (2010 est.) 0.7198 (2009 est.) 0.6827 (2008 est.) 0.7345 (2007 est.) |
| Montserrat |  East Caribbean dollars (XCD) per US dollar - 2.7 (2011 est.) 2.7 (2010 est.) 2.7 (2009)
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| Morocco |  Moroccan dirhams (MAD) per US dollar - 8.081 (2011 est.) 8.4172 (2010 est.) 8.0571 (2009) 7.526 (2008) 8.3563 (2007) |
| Mozambique |  meticais (MZM) per US dollar - 28.5 (2011 est.) 33.97 (2010 est.) 26.28 (2009) 24.125 (2008) 26.264 (2007) |
| Namibia |  Namibian dollars (NAD) per US dollar - 7.076 (2011 est.) 7.32 (2010 est.) 8.42 (2009) 7.75 (2008) 7.18 (2007) |
| Nauru |  Australian dollars (AUD) per US dollar - 0.9694 (2011) 1.0902 (2010) 1.2822 (2009) 1.2059 (2008) 1.2137 (2007) |
| Navassa Island | void |
| Nepal |  Nepalese rupees (NPR) per US dollar - 83.31 (2011 est.) 73.15 (2010 est.) 77.44 (2009) 65.21 (2008) 70.35 (2007) |