Elon Musk is now officially the world's first trillionaire. That is a colossal amount of wealth for one individual to possess. Its scale—1,000 times more than a billion—is difficult to fathom.

The most frequently cited comparison is time. Counting out a million seconds takes 11 and a half days; a billion seconds, 31.7 years. But a trillion seconds would take 31,700 years—starting in the Paleolithic era, around when neanderthals went extinct.

Another perspective: if you earned $1 million for every meter walked from Times Square to Dayton, Ohio, it would still only amount to one-sixth of a trillion dollars. A stack of 1 billion dollar bills weighs as much as a small hatchback car; but a stack of one trillion dollar bills would weigh the same as five thousand blue whales piled on top of each other.

The Wall Street Journal offers an amusing visualization: a million pennies stacked reach about four Empire State Buildings high. A trillion pennies, however, would stretch to the moon and back—twice. This vast sum could solve world hunger by 2030, according to the United Nations, or fund OpenAI’s expected $600 billion compute spend in 2030, with plenty left over.

If we split one trillion dollars across the entire US population of 349 million people, each would get $2,865. Alternatively, if invested at a standard 4% interest rate, it would generate almost enough to launch two Falcon 9 rockets every day.