US liquid quart to Imperial tablespoon
qt
imp tbsp
Conversion History
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Quick Reference Table (US liquid quart to Imperial tablespoon)
| US liquid quart (qt) | Imperial tablespoon (imp tbsp) |
|---|---|
| 0.25 | 13.32278695457732172794 |
| 0.5 | 26.64557390915464345589 |
| 1 | 53.29114781830928691234 |
| 2 | 106.58229563661857382469 |
| 4 | 213.16459127323714764881 |
About US liquid quart (qt)
The US liquid quart (qt) is a unit of volume equal to 2 US liquid pints or 32 US fluid ounces, approximately 946.4 milliliters. It is used for beverages, dairy products, soups, and motor oil in the United States. Motor oil is typically sold in 1-quart bottles. Soups, broths, and juices are commonly packaged in 32-oz (1-quart) cartons. The US liquid quart is smaller than the imperial quart (1,136.5 mL).
A standard carton of chicken broth is 32 fl oz (1 qt, ~946 mL). Motor oil is sold in 1-quart bottles.
About Imperial tablespoon (imp tbsp)
The imperial tablespoon is a unit of volume equal to approximately 17.758 milliliters, defined as five-eighths of an imperial fluid ounce. It is used in older UK and Commonwealth cooking recipes. The imperial tablespoon is larger than the US tablespoon (14.787 mL) but smaller than the Australian tablespoon (20 mL). Modern British and Commonwealth recipes have replaced it with the 15 mL metric tablespoon, but it persists in pre-metrication cookbooks.
Older British recipe books specify tablespoons of approximately 17.8 mL — larger than a US tablespoon but smaller than an Australian one.
US liquid quart – Frequently Asked Questions
How many cups are in a quart?
There are 4 US cups in one US liquid quart: 1 quart = 32 fl oz and 1 cup = 8 fl oz. The full chain: 2 cups = 1 pint, 2 pints = 1 quart, 4 quarts = 1 gallon.
How many milliliters are in a quart?
One US liquid quart equals approximately 946.4 mL (just under one liter). One imperial quart equals approximately 1,136.5 mL.
Why is motor oil sold in quarts in the US?
Most car engines require 4–6 quarts of oil per oil change, making the quart a practical single-container size. In metric countries, motor oil is sold in 1-liter or 4-liter containers.
How does a US quart compare to a liter?
One US quart (946 mL) is about 5.7% smaller than one liter (1,000 mL). Substituting 1 L for 1 qt adds about 54 mL — usually negligible in large-batch cooking.
What is the difference between a liquid quart and a dry quart?
A US liquid quart is 946.4 mL; a US dry quart is 1,101.2 mL — about 16% larger. Dry quarts are used for grain, produce, and dry goods. The distinction matters in agricultural and commercial contexts.
Imperial tablespoon – Frequently Asked Questions
How many milliliters is an imperial tablespoon?
One imperial tablespoon equals approximately 17.758 mL — larger than the US tablespoon (14.79 mL) and smaller than the Australian tablespoon (20 mL). Modern UK metric tablespoons are standardized at 15 mL.
What is the most common baking disaster caused by tablespoon size confusion?
Leavening failure. Baking powder and baking soda are measured in tablespoons, and the difference between a US tablespoon (14.8 mL), an imperial tablespoon (17.8 mL), and an Australian tablespoon (20 mL) is 15–35%. Too much baking soda makes bread taste metallic and soapy; too little and it does not rise. A British grandmother's scone recipe used in an American kitchen with US tablespoons will under-leaven by 20%. Professional bakers avoid this entirely by weighing leavening agents in grams.
Is the imperial tablespoon still used in UK cooking?
No. Modern UK cooking uses 15 mL metric tablespoons. The imperial tablespoon (17.76 mL) appears only in pre-1970s British cookbooks.
How many imperial teaspoons are in an imperial tablespoon?
One imperial tablespoon equals 3 imperial teaspoons (each ≈ 5.92 mL), giving 3 × 5.92 = 17.76 mL. The same 3:1 ratio as in US and metric systems, though the absolute sizes differ.
What is the standard tablespoon size in Australia?
The Australian tablespoon is 20 mL — the largest of the major English-language cooking tablespoons. Australian recipes therefore use fewer tablespoon counts than US or UK recipes for the same volume.