One Drop Zoom ← Molecule Lab

One Drop Zoom

Start with one water molecule, then zoom out until you can see the whole drop sitting on a dime. Things of known size show up along the way.
1 nm
width of the screen
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What you're seeing

One water molecule

Counting molecules

Water molecules side by side across the screen3
Molecules to cross the whole drop15 million
Molecules in the whole drop1.7 sextillion
1,700,000,000,000,000,000,000
Drop: 0.05 mL, about 4.6 mm wide. Molecules in liquid water sit about 0.31 nm apart. Pinch or scroll on the picture to zoom yourself.
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