3 ms·
We have 500‰ for 500 unitless milli. And there are more: https://en.m.wikipedia.org/wiki/Parts-per_notation https://en.m.wikipedia.org/wiki/Parts-per_notation
by jonsen 5y ago
We have 500‰ for 500 unitless milli. And there are more:
https://en.m.wikipedia.org/wiki/Parts-per_notation https://en.m.wikipedia.org/wiki/Parts-per_notation