<P> In the United States, the quantity of cigarettes in a pack must be at least 20 . Certain brands, such as Export As, come in packs of 25 . For many years, half - packs of 10 (or even 14) cigarettes were commonly available . </P> <P> In the United Kingdom brands are sold only in packets of 20 since a May 2017 law prohibits the sale of 10 - stick packs (along with loose tobacco only being sold in 30g or 50g only). The legislation also outlawed branded packaging, introducing boxes which are a plain green color . The packaging has the brand name in a basic typeface, with most of the packet dedicated to textual and photographic health warnings . Vending machines sometimes dispense packets containing 16 or 18 cigarettes although the dimensions of the packaging are the same as the equivalent packet that contains 20 . </P> <P> A carton of cigarettes usually contains 10 packs, totaling 200 cigarettes . Some cartons contain twenty packs, totaling 400 cigarettes . </P> <P> A hard pack is the usual style of paperboard packaging for store bought cigarettes, which consists of a relatively stable box . This successfully prevents the crumpling of cigarettes when kept in a person's pocket or handbag . The flip - top hard pack cigarette case was introduced in 1955 by Philip Morris . </P>

How many packs in a carton of cigaretts