Convert Teaspoon (US) (tsp (US)) to Quart (UK) (qt (UK)) instantly.
About these units
Teaspoon (US) (tsp (US))
The US teaspoon equals 4.92892 mL, though rounded to 5 mL in most practical applications. Before standardization, teaspoon sizes varied widely across households and manufacturers. With the rise of packaged foods, pharmaceuticals, and industrial recipes, the US standardized teaspoon values brought consistency to cooking and medicine. Today, the teaspoon remains the most common household unit for measuring small amounts—especially spices, extracts, and medicines.
Quart (UK) (qt (UK))
A UK quart equals 1/4 of a UK gallon, approximately 1.13652 liters, making it significantly larger than the US quart. Historically used for beer, milk, and household liquids, the UK quart was a staple of British commerce for centuries. In many traditional recipes and food instructions, quarts remain in archival use. The quart illustrates the divergence between US and UK systems following the 18th-century measurement reforms, reflecting how cultural and regulatory environments shape unit evolution.