Convert Imperial Fluid Ounce to US Quart

1 imperial fluid ounce = 0.03002375 us quart (US qt). For example, 10 imperial fluid ounce = 0.3002375 us quart and 100 imperial fluid ounce = 3.002375 us quart. Type any value below to convert imperial fluid ounce to us quart both ways — it runs entirely in your browser.

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Quick answer: Imperial Fluid Ounce to US Quart

1 Imperial Fluid Ounce = 0.03002375 US Quart (imp fl oz → US qt). To convert imperial fluid ounce to us quart, multiply by 0.03002375. To convert us quart to imperial fluid ounce, multiply by 33.30697. 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 imperial fluid ounce-to-us quart questions.

How to convert Imperial Fluid Ounce to US Quart

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

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

  1. Write down the value you want to convert, in imperial fluid ounce.
  2. Multiply it by 0.03002375.
  3. The result is the same area/length/quantity expressed in us quart.

Imperial Fluid Ounce to US Quart — worked examples

Each row shows the exact arithmetic so you can follow the conversion step by step. For example, 5 imperial fluid ounce is 0.1501187 us quart because 5 imp fl oz × 0.03002375 = 0.1501187 US qt.

Imperial Fluid OunceCalculationUS Quart
1 imp fl oz1 imp fl oz × 0.03002375 = 0.03002375 US qt0.03002375 US qt
2 imp fl oz2 imp fl oz × 0.03002375 = 0.0600475 US qt0.0600475 US qt
3 imp fl oz3 imp fl oz × 0.03002375 = 0.09007124 US qt0.09007124 US qt
5 imp fl oz5 imp fl oz × 0.03002375 = 0.1501187 US qt0.1501187 US qt
7 imp fl oz7 imp fl oz × 0.03002375 = 0.2101662 US qt0.2101662 US qt
10 imp fl oz10 imp fl oz × 0.03002375 = 0.3002375 US qt0.3002375 US qt
12 imp fl oz12 imp fl oz × 0.03002375 = 0.360285 US qt0.360285 US qt
15 imp fl oz15 imp fl oz × 0.03002375 = 0.4503562 US qt0.4503562 US qt
20 imp fl oz20 imp fl oz × 0.03002375 = 0.600475 US qt0.600475 US qt
25 imp fl oz25 imp fl oz × 0.03002375 = 0.7505937 US qt0.7505937 US qt
50 imp fl oz50 imp fl oz × 0.03002375 = 1.501187 US qt1.501187 US qt
100 imp fl oz100 imp fl oz × 0.03002375 = 3.002375 US qt3.002375 US qt

Common Imperial Fluid Ounce to US Quart conversions

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

  • 1 imperial fluid ounce = 0.03002375 us quart
  • 2 imperial fluid ounce = 0.0600475 us quart
  • 2.5 imperial fluid ounce = 0.07505937 us quart
  • 3 imperial fluid ounce = 0.09007124 us quart
  • 4 imperial fluid ounce = 0.120095 us quart
  • 5 imperial fluid ounce = 0.1501187 us quart
  • 6 imperial fluid ounce = 0.1801425 us quart
  • 7 imperial fluid ounce = 0.2101662 us quart
  • 8 imperial fluid ounce = 0.24019 us quart
  • 9 imperial fluid ounce = 0.2702137 us quart
  • 10 imperial fluid ounce = 0.3002375 us quart
  • 12 imperial fluid ounce = 0.360285 us quart
  • 15 imperial fluid ounce = 0.4503562 us quart
  • 20 imperial fluid ounce = 0.600475 us quart
  • 25 imperial fluid ounce = 0.7505937 us quart
  • 30 imperial fluid ounce = 0.9007124 us quart
  • 50 imperial fluid ounce = 1.501187 us quart
  • 75 imperial fluid ounce = 2.251781 us quart
  • 100 imperial fluid ounce = 3.002375 us quart
  • 200 imperial fluid ounce = 6.00475 us quart
  • 500 imperial fluid ounce = 15.01187 us quart
  • 1000 imperial fluid ounce = 30.02375 us quart

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

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

Imperial Fluid Ounce → US QuartUS Quart → Imperial Fluid Ounce
0.25 imp fl oz = 0.007505937 US qt0.25 US qt = 8.326742 imp fl oz
0.5 imp fl oz = 0.01501187 US qt0.5 US qt = 16.65348 imp fl oz
1 imp fl oz = 0.03002375 US qt1 US qt = 33.30697 imp fl oz
2 imp fl oz = 0.0600475 US qt2 US qt = 66.61393 imp fl oz
3 imp fl oz = 0.09007124 US qt3 US qt = 99.9209 imp fl oz
4 imp fl oz = 0.120095 US qt4 US qt = 133.2279 imp fl oz
5 imp fl oz = 0.1501187 US qt5 US qt = 166.5348 imp fl oz
6 imp fl oz = 0.1801425 US qt6 US qt = 199.8418 imp fl oz
7 imp fl oz = 0.2101662 US qt7 US qt = 233.1488 imp fl oz
8 imp fl oz = 0.24019 US qt8 US qt = 266.4557 imp fl oz
9 imp fl oz = 0.2702137 US qt9 US qt = 299.7627 imp fl oz
10 imp fl oz = 0.3002375 US qt10 US qt = 333.0697 imp fl oz
12 imp fl oz = 0.360285 US qt12 US qt = 399.6836 imp fl oz
15 imp fl oz = 0.4503562 US qt15 US qt = 499.6045 imp fl oz
20 imp fl oz = 0.600475 US qt20 US qt = 666.1393 imp fl oz
25 imp fl oz = 0.7505937 US qt25 US qt = 832.6742 imp fl oz
30 imp fl oz = 0.9007124 US qt30 US qt = 999.209 imp fl oz
40 imp fl oz = 1.20095 US qt40 US qt = 1,332.279 imp fl oz
50 imp fl oz = 1.501187 US qt50 US qt = 1,665.348 imp fl oz
75 imp fl oz = 2.251781 US qt75 US qt = 2,498.023 imp fl oz
100 imp fl oz = 3.002375 US qt100 US qt = 3,330.697 imp fl oz
150 imp fl oz = 4.503562 US qt150 US qt = 4,996.045 imp fl oz
200 imp fl oz = 6.00475 US qt200 US qt = 6,661.393 imp fl oz
250 imp fl oz = 7.505937 US qt250 US qt = 8,326.742 imp fl oz
500 imp fl oz = 15.01187 US qt500 US qt = 16,653.48 imp fl oz
1000 imp fl oz = 30.02375 US qt1000 US qt = 33,306.97 imp fl oz

Imperial Fluid Ounce vs US Quart: which is bigger?

1 imp fl oz1 US qt
Relative size of 1 Imperial Fluid Ounce (imp fl oz) and 1 US Quart (US qt).

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 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.

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.

Convert 1 Imperial Fluid Ounce to other units

It can help to see a imperial fluid ounce next to the other units it is commonly compared with. 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

Convert 1 US Quart to other units

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

Tips for converting Imperial Fluid Ounce to US Quart

  • To go from imperial fluid ounce to us quart, multiply by 0.03002375; to go back, divide by 0.03002375 (or multiply by 33.30697).
  • For a quick mental estimate, remember that 1 imperial fluid ounce ≈ 0.03002375 us quart, so 10 imperial fluid ounce ≈ 0.3002375 us quart.
  • 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 Imperial Fluid Ounce to US Quart converter

Type a number into the Imperial Fluid Ounce field and the equivalent in US Quart 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 US Quart field to convert the other way (us quart to imperial fluid ounce). 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 imp fl oz = 0.03002375 US qt), 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 imperial fluid ounce-to-us quart 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 us quart are in 1 imperial fluid ounce?
1 imperial fluid ounce = 0.03002375 us quart (US qt). To convert any number of imperial fluid ounce to us quart, multiply by 0.03002375.
How do I convert imperial fluid ounce to us quart?
Multiply the number of imperial fluid ounce by 0.03002375. For example, 10 imperial fluid ounce = 10 × 0.03002375 = 0.3002375 us quart, and 25 imperial fluid ounce = 0.7505937 us quart.
How many imperial fluid ounce are in 1 us quart?
1 us quart = 33.30697 imperial fluid ounce. So to convert us quart back to imperial fluid ounce, multiply by 33.30697.
What is the formula to convert imperial fluid ounce to us quart?
us quart = imperial fluid ounce × 0.03002375. The reverse formula is imperial fluid ounce = us quart × 33.30697.
How much is 100 imperial fluid ounce in us quart?
100 imperial fluid ounce = 3.002375 us quart. (And 1000 imperial fluid ounce = 30.02375 us quart.)
Which is bigger, a imperial fluid ounce or a us quart?
A us quart is larger: 1 us quart = 33.30697 imperial fluid ounce.
Is this imperial fluid ounce to us quart converter accurate?
Yes — every value is computed from the exact 0.03002375 US qt per imp fl oz factor (not rounded look-up tables), and the factors are re-verified automatically on every update.
Can I convert us quart to imperial fluid ounce too?
Yes. The converter works both ways — enter a value in either field. 1 us quart = 33.30697 imperial fluid ounce.

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