Convert Imperial quarts to US cups
1 imperial quart is 4.8 cup. One imperial quart is exactly 4.80379970202 US cups.
One imperial quart is 4.8037997 US cups. To convert imperial quarts to US cups, multiply by 4.8037997; to go the other way, divide by 4.8037997 or multiply by 0.20816855. 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. A quarter of an imperial gallon, 1.1365225 liters exactly.
Factor checked against the defining standard · How we check
- Imperial quarts × 4.8037997
1 * 4.80379974.804 cup
1 imperial quart in every volume unit
| Unit | Value | Exact factor |
|---|---|---|
| US teaspoons | 230.5823857 tsp | × 230.582385697 |
| US tablespoons | 76.86079523 tbsp | × 76.8607952323 |
| US fluid ounces | 38.43039762 fl oz | × 38.4303976162 |
| US cups | 4.803799702 cup | × 4.80379970202 |
| US pints | 2.401899851 pt | × 2.40189985101 |
| US quarts | 1.200949926 qt | × 1.2009499255 |
| US gallons | 0.3002374814 gal | × 0.300237481376 |
| milliliters | 1,136.5225 ml | × 1,136.5225 |
| liters | 1.1365225 L | × 1.1365225 |
| imperial gallons | 0.25 gal (UK) | × 0.25 |
| imperial quarts (as entered) | 1 qt (UK) | — |
| imperial pints | 2 pt (UK) | × 2 |
| imperial fluid ounces | 40 fl oz (UK) | × 40 |
| imperial gills | 8 gi (UK) | × 8 |
| cubic millimetres | 1,136,522.5 mm³ | × 1,136,522.5 |
| cubic centimetres | 1,136.5225 cm³ | × 1,136.5225 |
| cubic inches | 69.3548582 in³ | × 69.3548581979 |
| cubic feet | 0.04013591331 ft³ | × 0.040135913309 |
| cubic yards | 0.001486515308 yd³ | × 0.00148651530774 |
| cubic metres | 0.0011365225 m³ | × 0.0011365225 |
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 imperial quarts to US cups? The converter and the working
- 1.Take the measurement in imperial quarts.
- 2.Multiply by 4.8037997 — that is how many US cups fit in one imperial quart.
- 3.To go back the other way, divide by 4.8037997, or multiply by 0.20816855.
Worked example: 25 imperial quarts to US cups
- Formula
- qt (UK) × 4.8037997 = cup
- Arithmetic
- 25 × 4.8037997 = 120.09 cup
- Answer
- 25 qt (UK) = 120.09 cup
The factor is rounded for display; the figure above is computed from the full value.
Imperial quarts to US cups conversion table
| Imperial quarts | US cups |
|---|---|
| 1 qt (UK) | 4.8 cup |
| 2 qt (UK) | 9.61 cup |
| 3 qt (UK) | 14.41 cup |
| 4 qt (UK) | 19.22 cup |
| 5 qt (UK) | 24.02 cup |
| 6 qt (UK) | 28.82 cup |
| 7 qt (UK) | 33.63 cup |
| 8 qt (UK) | 38.43 cup |
| 9 qt (UK) | 43.23 cup |
| 10 qt (UK) | 48.04 cup |
| 12 qt (UK) | 57.65 cup |
| 15 qt (UK) | 72.06 cup |
| 20 qt (UK) | 96.08 cup |
| 25 qt (UK) | 120.09 cup |
| 50 qt (UK) | 240.19 cup |
| 100 qt (UK) | 480.38 cup |
| 200 qt (UK) | 960.76 cup |
| 300 qt (UK) | 1,441.14 cup |
| 500 qt (UK) | 2,401.9 cup |
| 1000 qt (UK) | 4,803.8 cup |
| 2000 qt (UK) | 9,607.6 cup |
| 5000 qt (UK) | 24,019 cup |
| 10000 qt (UK) | 48,038 cup |
What is an imperial quart?
A quarter of an imperial gallon, 1.1365225 liters exactly. It is larger than a US quart by the same fifth that separates the two gallons.
What is a US cup?
Eight US fluid ounces, about 236.6 ml. The "legal" cup on nutrition labels is a rounded 240 ml.
How many US cups are in an imperial quart?
One imperial quart is 4.8037997 US cups. Going the other way, one US cup is 0.20816855 imperial 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 an imperial quart.
Cite this page
- APA
- Rule Calculator. (2026). Convert Imperial quarts to US cups. Rule Calculator. https://rulecalculators.com/convert/imperial-quart-to-cup
- MLA
- "Convert Imperial quarts to US cups." Rule Calculator, August 16, 2026, https://rulecalculators.com/convert/imperial-quart-to-cup.
- Chicago
- Rule Calculator. "Convert Imperial quarts to US cups." Rule Calculator. Last reviewed August 16, 2026. https://rulecalculators.com/convert/imperial-quart-to-cup.
The date is when the figures on this page were last checked against their source, not the day you opened it. Add your own access date if your style needs one.
Questions people actually ask
- How many US cups are in an imperial quart?
- 4.8037997. Eight US fluid ounces, about 236.6 ml. The "legal" cup on nutrition labels is a rounded 240 ml.
- How do I convert US cups back to imperial quarts?
- Divide by 4.8037997, or multiply by 0.20816855 — they are the same operation.
Other volume conversions
US cups to imperial quarts — the same conversion the other way.