QT

Qt or QT may refer to:

Units and measurements

• Quart, a measure of volume in traditional systems of units
• Quarter, a unit of mass in Imperial units, equal to 2 stones or a quarter of a long hundredweight; one quarter = 12.70058636 kg
• QT interval, a measurement used in cardiology

Businesses and products

• QuikTrip, a convenience store chain
• "Quiet Trader", a trademark applied to the cargo version of the BAe 146 jet
• Quadra-Trac, a four-wheel-drive system developed by Jeep
• QT Inc., manufacturer of the "Q-Ray" bracelet

Computing

• Qt (framework), a cross platform graphical widget toolkit for the development of GUI computer programs
• QuickTime, a multimedia technology from Apple Inc.

Miscellaneous

• On the QT, a colloquialism meaning quietly or secretly; may be an abbreviation for "on the quiet."
• QT: QueerTelevision, an LGBT newsmagazine which aired on Canada's CityTV in the 1990s
• Question Time (TV series), a weekly TV political debate, broadcast on BBC One in the UK
• Qiryat Tivon, a local council in the Haifa District of Israel
• Quantification theory, a formal system of logic, also known as predicate calculus
• Quality time, is an informal reference to time spent with loved ones (e.g., close family, partners or friends) which is in some way important, special, productive or profitable
• Quiet Time, a Christian devotional practice

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