Six dollars ... set side by side, roughly 12 inches long, and 7½" inches wide. Very roughly, a little longer, but narrower than a sheet of writing paper copier paper.

$6 will buy you 3½ gallons of gas (at $1.69 a gallon).

Three Thousand dollars ... roughly the thickness of a ream of paper, 2 inches thick or 500 sheets. If you made a single stack, it would be a foot high.

You could buy one really top of the line notebook computer for this pile of cash.

Source : Apple.com 

Seventy-Two Thousand dollars ... is about the size of a whole box of copier paper. This is equal to twice the amount of money the average person in Brooklyn, New York, makes in a year. If you made a single stack, it would be a stack 24 feet high.

Source : Scientific American, Sept. 2002

Three-Hundred-and-Sixty Thousand dollars ... A stack 5 feet tall. Shorter than the average American man. If you made a single stack, it would be 120 feet high.

You can buy a pretty nice house almost anywhere in America for that kind of cash.

Nine Million dollars ... The pile is 5 feet tall, 10 feet long, and 6¼ feet wide. A single stack of dollar bills in this amount would be 3000 feet high.

This stack is comparable in size to a single compact car. You could buy 505 of them for the amount, though, with enough left over to fill up the gas tank of 139 of them.

Source : Volkswagen
Source : Woman Motorist, based on a gas price of $1.69

Nine-Hundred Million dollars... This pile is now 20 feet tall, 50 feet long, and 31¼ feet wide. The single stack of dollar bills is now climbing to 300,000 feet tall, or 56.8 miles tall.

This pile is about half as long as a conventional tennis court. 

This load of money will buy you 600 million loaves of bread, or 225 million six-packs of soda in Barbados.

Source : http://barbadosvillas.biz/100/details.htm

Eighty-Seven Billion dollars ... This is what the President is asking for. It is 100 feet tall, 250 feet long,  and 125 feet wide. A stack of singles would be 28,998,000 feet, or over 5,492 miles, more than twice the distance between Washington DC and Los Angeles (5300 miles).

A Boeing 737-200 jet is 100 feet long. You could fit 2 of those jets nose to nose along the length of this pile. 

$87 billion is more than all of the states' current budget deficits, combined. 

$87 billion is more than two times the amount we're spending on Homeland Security.

Source : Distance between Major U.S. Cities in Miles
Source : Aircraft & Powerplant Corner
Source : TomPaine.com

 BUT WAIT! THERE'S MORE!

One-Hundred-Sixty-Six Billion dollars ... this equals the total amount of money President Bush wants to spend in Iraq & Afghanistan by the beginning of October, 2004 : the $87 billion he wants, plus the $79 billion he's already spent. 

You can barely see the man down in the corner.

This pile is 500 feet long, which is longer than a football field. A stack of singles would be 55,333,200 feet tall, or over 10,479.77 miles, 1.68 times the distance between Washington DC and Baghdad, Iraq.

$166 billion is $568 for every man, woman and child in the United States.

Source : How Far is it?
Source : U.S. Census Bureau PopClock

"[We] want to control spending. And I hope Congress lives up to their words. When they talk about deficits, they can join us in making sure we don't overspend. They can join us and make sure that [they are] focused those items that are absolutely necessary to the American people." 

President Bush, Jan. 6, 2003