The attotonne is a unit of mass, equal to 10−18 tonne (10-15 kg in SI units, or 10-12 g in CGS units). It is identical to the picogram, which would be the equivalent designation in SI units.

Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.