Convert US Quart to Imperial Fluid Ounce

1 us quart = 33.30697 imperial fluid ounce (imp fl oz). For example, 10 us quart = 333.0697 imperial fluid ounce and 100 us quart = 3,330.697 imperial fluid ounce. Type any value below to convert us quart to imperial fluid ounce both ways — it runs entirely in your browser.

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Quick answer: US Quart to Imperial Fluid Ounce

1 US Quart = 33.30697 Imperial Fluid Ounce (US qt → imp fl oz). To convert us quart to imperial fluid ounce, multiply by 33.30697. To convert imperial fluid ounce to us quart, multiply by 0.03002375. The converter at the top does this instantly and both ways; the sections below give the formula, worked examples, a full conversion chart and answers to the most common us quart-to-imperial fluid ounce questions.

How to convert US Quart to Imperial Fluid Ounce

To convert us quart to imperial fluid ounce, multiply the number of us quart by the conversion factor 33.30697, because 1 US qt = 33.30697 imp fl oz. The conversion is linear, so the same factor works for any value — whole numbers, decimals or fractions. For the reverse direction, 1 imp fl oz = 0.03002375 US qt, so you divide by 33.30697 (or multiply by 0.03002375) to turn imperial fluid ounce back into us quart.

imp fl oz = US qt × 33.30697  ·  US qt = imp fl oz × 0.03002375

  1. Write down the value you want to convert, in us quart.
  2. Multiply it by 33.30697.
  3. The result is the same area/length/quantity expressed in imperial fluid ounce.

US Quart to Imperial Fluid Ounce — worked examples

Each row shows the exact arithmetic so you can follow the conversion step by step. For example, 5 us quart is 166.5348 imperial fluid ounce because 5 US qt × 33.30697 = 166.5348 imp fl oz.

US QuartCalculationImperial Fluid Ounce
1 US qt1 US qt × 33.30697 = 33.30697 imp fl oz33.30697 imp fl oz
2 US qt2 US qt × 33.30697 = 66.61393 imp fl oz66.61393 imp fl oz
3 US qt3 US qt × 33.30697 = 99.9209 imp fl oz99.9209 imp fl oz
5 US qt5 US qt × 33.30697 = 166.5348 imp fl oz166.5348 imp fl oz
7 US qt7 US qt × 33.30697 = 233.1488 imp fl oz233.1488 imp fl oz
10 US qt10 US qt × 33.30697 = 333.0697 imp fl oz333.0697 imp fl oz
12 US qt12 US qt × 33.30697 = 399.6836 imp fl oz399.6836 imp fl oz
15 US qt15 US qt × 33.30697 = 499.6045 imp fl oz499.6045 imp fl oz
20 US qt20 US qt × 33.30697 = 666.1393 imp fl oz666.1393 imp fl oz
25 US qt25 US qt × 33.30697 = 832.6742 imp fl oz832.6742 imp fl oz
50 US qt50 US qt × 33.30697 = 1,665.348 imp fl oz1,665.348 imp fl oz
100 US qt100 US qt × 33.30697 = 3,330.697 imp fl oz3,330.697 imp fl oz

Common US Quart to Imperial Fluid Ounce conversions

These are the us quart-to-imperial fluid ounce values people look up most often. Every figure is computed from the exact factor, so you can rely on them for quick reference:

  • 1 us quart = 33.30697 imperial fluid ounce
  • 2 us quart = 66.61393 imperial fluid ounce
  • 2.5 us quart = 83.26742 imperial fluid ounce
  • 3 us quart = 99.9209 imperial fluid ounce
  • 4 us quart = 133.2279 imperial fluid ounce
  • 5 us quart = 166.5348 imperial fluid ounce
  • 6 us quart = 199.8418 imperial fluid ounce
  • 7 us quart = 233.1488 imperial fluid ounce
  • 8 us quart = 266.4557 imperial fluid ounce
  • 9 us quart = 299.7627 imperial fluid ounce
  • 10 us quart = 333.0697 imperial fluid ounce
  • 12 us quart = 399.6836 imperial fluid ounce
  • 15 us quart = 499.6045 imperial fluid ounce
  • 20 us quart = 666.1393 imperial fluid ounce
  • 25 us quart = 832.6742 imperial fluid ounce
  • 30 us quart = 999.209 imperial fluid ounce
  • 50 us quart = 1,665.348 imperial fluid ounce
  • 75 us quart = 2,498.023 imperial fluid ounce
  • 100 us quart = 3,330.697 imperial fluid ounce
  • 200 us quart = 6,661.393 imperial fluid ounce
  • 500 us quart = 16,653.48 imperial fluid ounce
  • 1000 us quart = 33,306.97 imperial fluid ounce

US Quart to Imperial Fluid Ounce conversion chart (both directions)

The chart below converts us quart to imperial fluid ounce and imperial fluid ounce to us quart side by side, so it works whichever way you need. 1 us quart = 33.30697 imperial fluid ounce, and 1 imperial fluid ounce = 0.03002375 us quart.

US Quart → Imperial Fluid OunceImperial Fluid Ounce → US Quart
0.25 US qt = 8.326742 imp fl oz0.25 imp fl oz = 0.007505937 US qt
0.5 US qt = 16.65348 imp fl oz0.5 imp fl oz = 0.01501187 US qt
1 US qt = 33.30697 imp fl oz1 imp fl oz = 0.03002375 US qt
2 US qt = 66.61393 imp fl oz2 imp fl oz = 0.0600475 US qt
3 US qt = 99.9209 imp fl oz3 imp fl oz = 0.09007124 US qt
4 US qt = 133.2279 imp fl oz4 imp fl oz = 0.120095 US qt
5 US qt = 166.5348 imp fl oz5 imp fl oz = 0.1501187 US qt
6 US qt = 199.8418 imp fl oz6 imp fl oz = 0.1801425 US qt
7 US qt = 233.1488 imp fl oz7 imp fl oz = 0.2101662 US qt
8 US qt = 266.4557 imp fl oz8 imp fl oz = 0.24019 US qt
9 US qt = 299.7627 imp fl oz9 imp fl oz = 0.2702137 US qt
10 US qt = 333.0697 imp fl oz10 imp fl oz = 0.3002375 US qt
12 US qt = 399.6836 imp fl oz12 imp fl oz = 0.360285 US qt
15 US qt = 499.6045 imp fl oz15 imp fl oz = 0.4503562 US qt
20 US qt = 666.1393 imp fl oz20 imp fl oz = 0.600475 US qt
25 US qt = 832.6742 imp fl oz25 imp fl oz = 0.7505937 US qt
30 US qt = 999.209 imp fl oz30 imp fl oz = 0.9007124 US qt
40 US qt = 1,332.279 imp fl oz40 imp fl oz = 1.20095 US qt
50 US qt = 1,665.348 imp fl oz50 imp fl oz = 1.501187 US qt
75 US qt = 2,498.023 imp fl oz75 imp fl oz = 2.251781 US qt
100 US qt = 3,330.697 imp fl oz100 imp fl oz = 3.002375 US qt
150 US qt = 4,996.045 imp fl oz150 imp fl oz = 4.503562 US qt
200 US qt = 6,661.393 imp fl oz200 imp fl oz = 6.00475 US qt
250 US qt = 8,326.742 imp fl oz250 imp fl oz = 7.505937 US qt
500 US qt = 16,653.48 imp fl oz500 imp fl oz = 15.01187 US qt
1000 US qt = 33,306.97 imp fl oz1000 imp fl oz = 30.02375 US qt

US Quart vs Imperial Fluid Ounce: which is bigger?

1 US qt1 imp fl oz
Relative size of 1 US Quart (US qt) and 1 Imperial Fluid Ounce (imp fl oz).

A us quart is the larger unit: one us quart equals 33.30697 imperial fluid ounces. Put another way, you need 33.30697 imperial fluid ounces to make a single us quart.

What is a US Quart? History, origin and usage

The US quart is literally a quarter of a US gallon, its name coming from the Latin quartus, a fourth, and it therefore traces back to the same Queen Anne wine gallon the United States adopted. Like the gallon, it preserves the pre-1824 English standard that Britain later abandoned.

The US liquid quart is common for dairy, motor oil, sports drinks and small containers of berries or produce in American shops. Recipes and automotive fluids are frequently specified in quarts.

The United States keeps two different quarts: a liquid quart and a slightly larger dry quart used for produce, a distinction that does not exist in the metric world. Both are smaller than the single imperial quart used in the UK.

What is a Imperial Fluid Ounce? History, origin and usage

The imperial fluid ounce was created with Britain's Weights and Measures Act of 1824, which defined the imperial gallon as the volume of ten pounds of distilled water and divided it into 160 fluid ounces. This deliberately linked volume to weight, unlike the older wine-gallon system the US retained.

The imperial fluid ounce appears in British and Commonwealth recipes, drink measures and older packaging across the UK, Ireland, Australia and Canada. It is the fluid ounce assumed in traditional British cookbooks.

Because the imperial gallon was based on ten pounds of water, an imperial fluid ounce of water weighs almost exactly one ounce by weight, an elegance the US ounce lacks. The imperial fluid ounce is slightly smaller than the US fluid ounce even though there are more of them in an imperial pint.

Convert 1 US Quart to other units

It can help to see a us quart next to the other units it is commonly compared with. One us quart (US qt) is equal to:

1 US Quart equalsUnit
946.3529 mLMillilitre
94.63529 cLCentilitre
0.9463529 LLitre
0.0009463529 m³Cubic Metre
946.3529 cm³Cubic Centimetre
57.75 in³Cubic Inch
0.03342014 ft³Cubic Foot
0.25 US galUS Gallon
0.25 galUS Gallon
1 qtUS Quart
2 US ptUS Pint
2 ptUS Pint
32 US fl ozUS Fluid Ounce
32 fl ozUS Fluid Ounce
33.30697 imp fl ozImperial Fluid Ounce
64 tbspUS Tablespoon
192 tspUS Teaspoon
8 giUS Gill
0.02685522 buUS Bushel
0.005952381 bblOil Barrel
946,352.9 µLMicrolitre
4 US cupUS Cup
32 US fl ozUS Fluid Ounce

Convert 1 Imperial Fluid Ounce to other units

One imperial fluid ounce (imp fl oz) is equal to:

1 Imperial Fluid Ounce equalsUnit
28.41306 mLMillilitre
2.841306 cLCentilitre
0.02841306 LLitre
0.00002841306 m³Cubic Metre
28.41306 cm³Cubic Centimetre
1.733871 in³Cubic Inch
0.001003398 ft³Cubic Foot
0.007505937 US galUS Gallon
0.007505937 galUS Gallon
0.03002375 US qtUS Quart
0.03002375 qtUS Quart
0.0600475 US ptUS Pint
0.0600475 ptUS Pint
0.9607599 US fl ozUS Fluid Ounce
0.9607599 fl ozUS Fluid Ounce
1.92152 tbspUS Tablespoon
5.76456 tspUS Teaspoon
0.24019 giUS Gill
0.0008062943 buUS Bushel
0.0001787128 bblOil Barrel
28,413.06 µLMicrolitre
0.120095 US cupUS Cup
0.9607599 US fl ozUS Fluid Ounce

Tips for converting US Quart to Imperial Fluid Ounce

  • To go from us quart to imperial fluid ounce, multiply by 33.30697; to go back, divide by 33.30697 (or multiply by 0.03002375).
  • For a quick mental estimate, remember that 1 us quart ≈ 33.30697 imperial fluid ounce, so 10 us quart ≈ 333.0697 imperial fluid ounce.
  • The converter above keeps full precision; the tables round for readability, so use the tool for exact figures.
  • Both fields update live as you type — change either side to convert in that direction.

How to use this US Quart to Imperial Fluid Ounce converter

Type a number into the US Quart field and the equivalent in Imperial Fluid Ounce appears instantly — there is no “convert” button to press and nothing is sent to a server, so it works offline once the page has loaded and is safe for any data. You can also type into the Imperial Fluid Ounce field to convert the other way (imperial fluid ounce to us quart). Use the swap control to flip the two units, and copy the result with a single click. Because the calculation runs in your browser with full floating-point precision, the converter is more exact than the rounded figures shown in the reference chart above — use the chart for quick look-ups and the tool for precise work.

Accuracy and method

Every figure on this page — the formula, the worked examples, the conversion chart and the “convert to other units” tables — is computed from a single verified conversion factor (1 US qt = 33.30697 imp fl oz), never copied from a hand-typed lookup table that could drift. That factor is derived from each unit’s definition in terms of a common base unit, and an automated check re-verifies all of the site’s factors on every update, so the numbers here stay correct over time. This matters for us quart-to-imperial fluid ounce conversions because a small rounding error in a published table compounds quickly at larger quantities; computing from the exact factor avoids that.

Sources

  • NIST Special Publication 811 — Guide for the Use of the SI — publishes the exact metric equivalents of the customary units. The inch, foot, yard and mile are defined exactly in metres by the 1959 international yard-and-pound agreement, so every imperial figure on this page is exact, not rounded.
  • BIPM — The International System of Units (SI Brochure) — the defining document for the SI, published by the International Bureau of Weights and Measures. It fixes the base unit that this conversion resolves to, which is why the factor here can be exact rather than approximate.

Watch the system: a <strong>US</strong> gallon, quart, pint and fluid ounce are <strong>not</strong> the same size as the <strong>imperial (UK)</strong> ones — a US gallon is 3.785 L while an imperial gallon is 4.546 L, and a US fluid ounce (29.57 mL) is slightly larger than an imperial fluid ounce (28.41 mL). The units on this page are labelled US or Imperial so the result is unambiguous.

Frequently asked questions

How many imperial fluid ounce are in 1 us quart?
1 us quart = 33.30697 imperial fluid ounce (imp fl oz). To convert any number of us quart to imperial fluid ounce, multiply by 33.30697.
How do I convert us quart to imperial fluid ounce?
Multiply the number of us quart by 33.30697. For example, 10 us quart = 10 × 33.30697 = 333.0697 imperial fluid ounce, and 25 us quart = 832.6742 imperial fluid ounce.
How many us quart are in 1 imperial fluid ounce?
1 imperial fluid ounce = 0.03002375 us quart. So to convert imperial fluid ounce back to us quart, multiply by 0.03002375.
What is the formula to convert us quart to imperial fluid ounce?
imperial fluid ounce = us quart × 33.30697. The reverse formula is us quart = imperial fluid ounce × 0.03002375.
How much is 100 us quart in imperial fluid ounce?
100 us quart = 3,330.697 imperial fluid ounce. (And 1000 us quart = 33,306.97 imperial fluid ounce.)
Which is bigger, a us quart or a imperial fluid ounce?
A us quart is larger: 1 us quart = 33.30697 imperial fluid ounce.
Is this us quart to imperial fluid ounce converter accurate?
Yes — every value is computed from the exact 33.30697 imp fl oz per US qt factor (not rounded look-up tables), and the factors are re-verified automatically on every update.
Can I convert imperial fluid ounce to us quart too?
Yes. The converter works both ways — enter a value in either field. 1 imperial fluid ounce = 0.03002375 us quart.

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