a scroll-powered sense of scale

HOW MUCH IS A TRILLION?

Your brain is lying to you about big numbers.
Scroll, and it will stop.

first, a test

Tap where one billion belongs.

€1MILLION
€1TRILLION
your guess
€1 billion

tap the line · or just keep scrolling

A billion sits 0.1% of the way from a million to a trillion. Most people put it near the middle. Keep scrolling to see why everyone gets this wrong.

dots on screen

1

× €1,000,000 each

This is one million euros.

One dot. In €100 notes it weighs 10 kg — it fits in a backpack.
Earning the median European salary, it takes about 25 years.

A million is big. You can picture it.
That's the last time on this page that your intuition works.

dots on screen

1

× €1,000,000 each

This is one billion.

One thousand dots of a million each.

Spending €1,000 a day, a billion lasts 2,740 years.
Earning the median salary, it takes 25,000 years of work.

dots on screen

1,000

× €1,000,000 each

the billion you just saw

This is one trillion.

One million dots. Every single dot is a million euros.

Find the billion. It's that golden speck —
a rounding error in the galaxy.

Still feels abstract?
Count it in seconds.

1,000,000 seconds ago

today

Now stack cents.

One 1-cent coin at a time. The stack never falls. Up we go.

altitude

0 m

0 coins

one last try

Spend €1,000 every day.
No days off.

€1,000,000

gone in 2.7 years

before your next phone dies

€1,000,000,000

lasts 2,740 years

start before the Great Wall of China, still spending today

€1,000,000,000,000

lasts 2.7 million years

longer than our species has existed

A billion is a
rounding error
on a trillion.

€1M
€1B
€1T
your guess