Convert US quarts to Imperial fluid ounces
1 US quart is 33.31 fl oz (UK). One US quart is exactly 33.3069673852 imperial fluid ounces.
One US quart is 33.306967 imperial fluid ounces. To convert US quarts to imperial fluid ounces, multiply by 33.306967; to go the other way, divide by 33.306967 or multiply by 0.030023748. The relation is exact but the figure is not: it is a rounding of a number that does not terminate, and it follows from NIST Handbook 130. Two pints, about 946 ml, and close enough to a liter that recipes swap them.
Factor checked against the defining standard · How we check
- US quarts × 33.306967
1 * 33.30696733.307 fl oz (UK)
1 US quart in every volume unit
| Unit | Value | Exact factor |
|---|---|---|
| US teaspoons | 192 tsp | × 192 |
| US tablespoons | 64 tbsp | × 64 |
| US fluid ounces | 32 fl oz | × 32 |
| US cups | 4 cup | × 4 |
| US pints | 2 pt | × 2 |
| US quarts (as entered) | 1 qt | — |
| US gallons | 0.25 gal | × 0.25 |
| milliliters | 946.352946 ml | × 946.352946 |
| liters | 0.946352946 L | × 0.946352946 |
| imperial gallons | 0.2081685462 gal (UK) | × 0.208168546157 |
| imperial quarts | 0.8326741846 qt (UK) | × 0.832674184629 |
| imperial pints | 1.665348369 pt (UK) | × 1.66534836926 |
| imperial fluid ounces | 33.30696739 fl oz (UK) | × 33.3069673852 |
| imperial gills | 6.661393477 gi (UK) | × 6.66139347703 |
| cubic millimetres | 946,352.946 mm³ | × 946,352.946 |
| cubic centimetres | 946.352946 cm³ | × 946.352946 |
| cubic inches | 57.75 in³ | × 57.75 |
| cubic feet | 0.03342013889 ft³ | × 0.0334201388889 |
| cubic yards | 0.001237782922 yd³ | × 0.00123778292181 |
| cubic metres | 0.000946352946 m³ | × 0.000946352946 |
Factors are entered by hand from NIST Handbook 130 rather than derived from a units library, so the ones that terminate are exact rather than rounded.
How do you convert US quarts to imperial fluid ounces? The converter and the working
- 1.Take the measurement in US quarts.
- 2.Multiply by 33.306967 — that is how many imperial fluid ounces fit in one US quart.
- 3.To go back the other way, divide by 33.306967, or multiply by 0.030023748.
Worked example: 25 US quarts to imperial fluid ounces
- Formula
- qt × 33.306967 = fl oz (UK)
- Arithmetic
- 25 × 33.306967 = 832.67 fl oz (UK)
- Answer
- 25 qt = 832.67 fl oz (UK)
The factor is rounded for display; the figure above is computed from the full value.
US quarts to imperial fluid ounces conversion table
| US quarts | Imperial fluid ounces |
|---|---|
| 1 qt | 33.31 fl oz (UK) |
| 2 qt | 66.61 fl oz (UK) |
| 3 qt | 99.92 fl oz (UK) |
| 4 qt | 133.23 fl oz (UK) |
| 5 qt | 166.53 fl oz (UK) |
| 6 qt | 199.84 fl oz (UK) |
| 7 qt | 233.15 fl oz (UK) |
| 8 qt | 266.46 fl oz (UK) |
| 9 qt | 299.76 fl oz (UK) |
| 10 qt | 333.07 fl oz (UK) |
| 12 qt | 399.68 fl oz (UK) |
| 15 qt | 499.6 fl oz (UK) |
| 20 qt | 666.14 fl oz (UK) |
| 25 qt | 832.67 fl oz (UK) |
| 50 qt | 1,665.35 fl oz (UK) |
| 100 qt | 3,330.7 fl oz (UK) |
| 200 qt | 6,661.39 fl oz (UK) |
| 300 qt | 9,992.09 fl oz (UK) |
| 500 qt | 16,653.48 fl oz (UK) |
| 1000 qt | 33,306.97 fl oz (UK) |
| 2000 qt | 66,613.93 fl oz (UK) |
| 5000 qt | 166,534.84 fl oz (UK) |
| 10000 qt | 333,069.67 fl oz (UK) |
What is a US quart?
Two pints, about 946 ml, and close enough to a liter that recipes swap them.
What is an imperial fluid ounce?
One 160th of an imperial gallon, 28.4130625 ml exactly. The US fluid ounce is one 128th of a smaller gallon at 29.57 ml, so the two ounces differ by about 4% in the opposite direction to the gallons.
How many imperial fluid ounces are in a US quart?
One US quart is 33.306967 imperial fluid ounces. Going the other way, one imperial fluid ounce is 0.030023748 US quarts. Both figures come from the same defined relation rather than from a measurement, which is why they are the same today as they were in 1959.
Every volume unit here
The whole group — 20 units with their symbols and the size of each one in liters — is on the conversion index, along with every pair it makes. The table above already gives each of them relative to a US quart.
Cite this page
- APA
- Rule Calculator. (2026). Convert US quarts to imperial fluid ounces. Rule Calculator. https://rulecalculators.com/convert/quart-to-imperial-fluid-ounce
- MLA
- "Convert US quarts to imperial fluid ounces." Rule Calculator, August 16, 2026, https://rulecalculators.com/convert/quart-to-imperial-fluid-ounce.
- Chicago
- Rule Calculator. "Convert US quarts to imperial fluid ounces." Rule Calculator. Last reviewed August 16, 2026. https://rulecalculators.com/convert/quart-to-imperial-fluid-ounce.
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Questions people actually ask
- How many imperial fluid ounces are in a US quart?
- 33.306967. One 160th of an imperial gallon, 28.4130625 ml exactly. The US fluid ounce is one 128th of a smaller gallon at 29.57 ml, so the two ounces differ by about 4% in the opposite direction to the gallons.
- How do I convert imperial fluid ounces back to US quarts?
- Divide by 33.306967, or multiply by 0.030023748 — they are the same operation.
Other volume conversions
Imperial fluid ounces to US quarts — the same conversion the other way.