Imperial quart to Milliliter

imp qt

1 imp qt

ml

1,136.52249999529 ml

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Quick Reference Table (Imperial quart to Milliliter)

Imperial quart (imp qt)Milliliter (ml)
0.5568.261249997645
11,136.52249999529
22,273.04499999058
44,546.08999998116
89,092.17999996232

About Imperial quart (imp qt)

The imperial quart is a unit of volume equal to one quarter of an imperial gallon, approximately 1.136 liters. It is used in the UK and Commonwealth countries for liquid measurement, though everyday use has declined since metrication. An imperial quart is larger than both the US liquid quart (946 mL) and just slightly larger than one liter. Historically, motor oil was sold in imperial quart cans in the UK; today, liter bottles have replaced them.

Pre-metrication UK motor oil was sold in imperial quart cans. An imperial quart is just over two UK pints.

About Milliliter (ml)

A milliliter (mL) is one thousandth of a liter (0.001 L), exactly equal to one cubic centimeter (1 cm³). It is the most widely used small volume unit in medicine, cooking, and science. Drug dosages are prescribed in milliliters, soft drink cans are 330 mL, and laboratory pipettes measure in mL. The milliliter bridges the gap between the impractically small microliter and the everyday liter, making it the default unit for liquid measurement in clinical and domestic settings worldwide.

A standard medicine syringe holds 1–20 mL. A teaspoon is approximately 5 mL. A typical espresso shot is 30 mL.

Etymology: From Latin "mille" (thousand) + "liter". The prefix milli- denotes 10⁻³ in the SI system.


Imperial quart – Frequently Asked Questions

One imperial quart equals approximately 1,136.5 mL (about 1.137 liters). It is larger than both the US liquid quart (946.4 mL) and slightly larger than a liter.

An imperial quart (1,136.5 mL) is about 20% larger than a US liquid quart (946.4 mL) — the same proportion as between the imperial and US gallons.

The imperial quart is rarely used in modern everyday life in the UK, Australia, or Canada following metrication. It may appear in older recipes, industrial standards, and some agricultural trade documents.

One imperial quart contains 40 imperial fluid ounces (1 quart = 2 pints = 40 fl oz). A US quart = 32 US fluid ounces.

No major country officially uses the imperial quart for trade or labeling today. The UK, Canada, Australia, and New Zealand have all metricated. The unit may persist in informal speech or older documentation.

Milliliter – Frequently Asked Questions

One US teaspoon equals approximately 4.93 mL, conventionally rounded to 5 mL in cooking and medicine. An Australian/metric teaspoon is exactly 5 mL. A tablespoon is 15 mL (3 teaspoons).

Household teaspoons and tablespoons vary wildly — from 3 to 7 mL for a "teaspoon" depending on the design. A parent dosing 2.5 mL of infant paracetamol with a large decorative spoon might accidentally give double the intended dose. Studies have shown dosing errors of 20–50% when using kitchen cutlery. Calibrated oral syringes (marked in 0.1 mL increments) eliminate this problem entirely, which is why the AAP and WHO both recommend them over any spoon for liquid medications.

A standard soft drink or beer can is typically 330 mL in Europe and 355 mL (12 US fl oz) in the United States. A 500 mL can is common for beer in many markets.

Common oral liquid medications are dosed at 2.5, 5, or 10 mL. Injectable medications may be 0.1–2 mL. IV fluid bags are typically 100, 250, 500, or 1,000 mL.

One US fluid ounce equals approximately 29.57 mL. One imperial (UK) fluid ounce equals approximately 28.41 mL. The two are close but not identical — important for recipes crossing US and UK sources.

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