| Country | Exchange rates |
| Bolivia | 
bolivianos (BOB) per US dollar -
6.983 (2011 est.)
7.07 (2010 est.)
7.07 (2009)
7.253 (2008)
7.8616 (2007) |
| Bosnia and Herzegovina |
konvertibilna markas (BAM) per US dollar -
1.39 (2011 est.)
1.4767 (2010 est.)
1.4079 (2009)
1.3083 (2008)
1.4419 (2007) |
| Botswana |
pulas (BWP) per US dollar -
6.695 (2011 est.)
6.7936 (2010 est.)
7.1551 (2009)
6.7907 (2008)
6.2035 (2007) |
| Bouvet Island | void |
| Brazil |
reals (BRL) per US dollar -
1.602 (2011 est.)
1.76 (2010 est.)
2 (2009)
1.8644 (2008)
1.85 (2007) |
| British Indian Ocean Territory | the US dollar is used |
| British Virgin Islands | the US dollar is used |
| Brunei |
Bruneian dollars (BND) per US dollar -
1.24 (2011)
1.36 (2010 est.)
1.45 (2009)
|
| Bulgaria |
leva (BGN) per US dollar -
1.39 (2011 est.)
1.4732 (2010 est.)
1.404 (2009)
1.3171 (2008)
1.4366 (2007) |
| Burkina Faso |
Communaute Financiere Africaine francs (XOF) per US dollar -
473.7 (2011 est.)
495.28 (2010 est.)
472.19 (2009)
447.81 (2008)
493.51 (2007) |
| Burma |
kyats (MMK) per US dollar -
815 (2011 est.)
970 (2010 est.)
1,055 (2009)
1,205 (2008)
1,296 (2007) |
| Burundi |
Burundi francs (BIF) per US dollar -
1,251.3 (2011 est.)
1,138.25 (2010 est.)
1,230.18 (2009)
1,198 (2008)
1,065 (2007) |
| Cambodia |
riels (KHR) per US dollar -
4,085.9 (2011 est.)
4,185 (2010 est.)
4,139 (2009)
4,070.94 (2008)
4,006 (2007) |
| Cameroon |
Cooperation Financiere en Afrique Centrale francs
473.7 (2011 est.)
495.28 (2010 est.)
472.19 (2009)
447.81 (2008)
493.51 (2007) |
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