Coast Guard vessels skimming oil. Photo: US Coast Guard via flickr.

...But PBS News has a handy widget to keep track of it all. The problem is that estimates vary widely as to what the actual flow rate is. NOAA has one estimate, other experts such as those at SkyTruth have come to their own conclusions, BP has their own (low, then higher and some ghastly worst case scenarios). Keep going to see just how bad things could be:

 *** They have a wonderful graphic on their site, that I could not copy & paste here, but it is also here on a PBS Site: http://www.pbs.org/newshour/rundown/2010/05/how-much-oil-has-spilled-in-the-gulf-of-mexico.html***