Convert volume units — liters, gallons, cups, milliliters, cubic meters, pints, quarts.
| Unit | Name | Value |
|---|---|---|
| L | Liter | 0.946353 |
| mL | Milliliter | 946.353 |
| m³ | Cubic Meter | 0.000946353 |
| gal(US) | US Gallon | 0.25000013 |
| gal(UK) | UK Gallon | 0.20816856 |
| pt | US Pint | 2.0000021 |
| cup | US Cup | 4.0000042 |
| fl oz | Fluid Ounce | 32.000034 |
Common us quart values converted to us cup — factor: 1 qt = 4 cup
| US Quart (qt) | US Cup (cup) | Context |
|---|---|---|
| 0.0625 qt | 0.25 cup | Cup |
| 0.125 qt | 0.5 cup | Half pint |
| 0.25 qt | 1 cup | Pint |
| 0.5 qt | 2 cup | Large bottle |
| 1 qt | 4 cup | Quart bottle |
| 2 qt | 8 cup | Half gallon |
| 4 qt | 16 cup | Gallon jug |
| 8 qt | 32 cup | 2 gallons |
| 16 qt | 64 cup | 4 gallons |
| 32 qt | 128 cup | 8 gallons |
| 64 qt | 256 cup | 16 gallons |
| 128 qt | 512 cup | 32 gallons |
| 200 qt | 800 cup | 50 gallons |
| 256 qt | 1,024 cup | 50 gallons |
| 500 qt | 2,000 cup | Large tank |
Converting us quart to us cup comes up frequently in cooking, chemistry, medicine, and engineering. A recipe written in metric units may need to be adapted for a kitchen using us cup, or a laboratory protocol may specify volumes in us quart that need to be measured with equipment calibrated in us cup.
In everyday use, knowing that 5 qt = 20 cup and 10 qt = 40 cup covers most common situations. For bulk calculations, 100 qt = 400 cup is a useful anchor. The reverse conversion — us cup back to us quart — uses the factor 0.25, so 1 cup = 0.25 qt.
All conversions use the internationally recognized factor of exactly 1 qt = 4 cup. Calculations are performed in IEEE 754 double-precision floating point, giving accuracy to at least 8 significant figures — more than sufficient for any practical application.
Formula: US Cup = US Quart × 4.0000042
Multiply any us quart value by 4.0000042 to get us cup. One us quart equals 4.0000042 cup.
Reverse: US Quart = US Cup × 0.24999974
Quarts × 4 = cups. One quart = exactly four cups.
2 qt = 8 cups, 4 qt (1 gal) = 16 cups.
Cups ÷ 4 = quarts.
Changes engine oil sold in quart bottles, the standard US motor oil size.
Produces and sells ice cream in quart containers, the classic American retail size.
Stores soups, stocks, and sauces in quart deli containers for organized kitchen prep.
Buys house paint in quart cans for smaller projects, about 90 sq ft per coat.
Scales recipes using quarts: 4 cups = 1 quart for easy mental division.
Measures buffer solutions and culture media in quart batches for microbiology.
The US liquid quart is one-quarter of a US gallon, equal to 946.353 mL. The word 'quart' comes from Old French quarte (fourth part), dating to medieval England.
Quarts are standard in American cooking and food packaging: motor oil, paint, cream, and ice cream are commonly sold in quart containers.
Interesting fact: The US quart and the Imperial quart differ significantly — the Imperial quart is 1.136 liters versus 0.946 liters for the US quart.
The US customary cup is defined as exactly 8 US fluid ounces, or 236.588 mL. It was standardized by Fannie Farmer in her 1896 cookbook The Boston Cooking-School Cook Book.
The cup is the backbone of US baking: nearly every American recipe uses cup measurements for flour, sugar, butter, and liquids. Standard sets include 1 cup, ½ cup, ⅓ cup, and ¼ cup.
Interesting fact: Australia uses a metric cup of 250 mL, slightly larger than the US cup, which can cause recipe confusion in international cooking.