per mille is the symbol for parts per thousand.
per mille is the symbol for parts per thousand.
what is the symbol for parts per thousand?
per mille
per mille









































a per mille (from latin , "in each thousand"), also spelled per mil, per mill, permil, permill, or permille is a sign indicating parts per thousand. per mil should not be confused with parts per million (ppm).









































the sign is written ‰, which looks like a percent sign (%) with an extra zero in the divisor. it is included in the general punctuation block of unicode characters: . it is accessible in windows using codice_1, and is accessible via a compose key using codice_2.
per mille
they typically spawn in a group of one male and three or more females. females require many hiding places, while the male needs a site to build his nest. spawning is triggered by feeding on live meaty foods, and a decrease in salinity from 7 parts per thousand (1.006–1.008sg) to around 5 parts per thousand (1.004), followed by an increase to 30 parts per thousand (close to regular marine salinity, about 1.023sg). the male spawns with several females over the course of a day. after spawning, the male guards the eggs. after 1.5–2 days, the eggs hatch. fry eat infusoria (particularly rotifers) and "green water" (single celled algae) for up to a month. they then eat baby brine shrimp nauplii.
violet goby