A ser is an obsolete unit of dry volume in India. In 1871 it was defined as being exactly 1 litre (1.06 quarts). After metrication in the mid-20th century, the unit became obsolete.
"Ser". Sizes, grades, units, scales, calendars, chronologies. Archived from the original on 2006-10-20. Retrieved 2007-02-19. External link in |work= (help)