1S or 1s may refer to:
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1s electron, in an atomic orbital
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Sabre (computer system)
Sabre Global Distribution System is a computer reservation system, travel reservation system owned by Sabre Corporation, which allows travel agents and companies to search, price, book, and ticket travel services provided by airlines, hotels, car r ...
's IATA code
* 1S, a series of
Toyota S engine
The Toyota S Series engines are a family of Straight-four engine, straight-four petrol (or CNG) Internal combustion engine, engines with displacements between 1.8 and 2.2 litres, produced by Toyota Motor Corporation from January 1980 to August 200 ...
s
* SSH 1S (WA); see
Washington State Route 502,
Washington State Route 503
* One
shilling (British coin)
The United Kingdom, British shilling, abbreviated "1s" or "1/-", was a unit of currency and a denomination of Coins of the United Kingdom, sterling coinage worth of one Pound (currency), pound, or twelve Penny (British pre-decimal coin), pre-deci ...
See also
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Shilling
The shilling is a historical coin, and the name of a unit of modern currency, currencies formerly used in the United Kingdom, Australia, New Zealand, other British Commonwealth countries and Ireland, where they were generally equivalent to 1 ...
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Second
The second (symbol: s) is a unit of time derived from the division of the day first into 24 hours, then to 60 minutes, and finally to 60 seconds each (24 × 60 × 60 = 86400). The current and formal definition in the International System of U ...
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Ones (disambiguation)
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S1 (disambiguation)
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