If you enter your income here, we will tell you exactly how much you should give

Note: This currency conversion takes into account not only exchange rates but also differences in purchasing power, as given by the International Monetary Fund with minor adjustments for some more recent changes in value. Please inform us of any errors.

If your currency is not listed, or if you prefer to make your own calculation, you can go to http://www.xe.com to convert your currency to US dollars. You can also take account of differences in purchasing power by using this map . You may, of course, use any other source you have available to convert the US dollar figures.