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US cups to US quarts

Type a value in US cups and get the result in US quarts, calculated exactly.

1 cup (US) = 0.25 qt (US) Cooking measurement converter

1 US cups = 0.25 US quarts

Precision

Exact factorThis result is exact.

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Formula

qt (US) = cup (US) × 0.25

To convert US cups to US quarts, multiply the value by 0.25.

Worked examples

  1. 1 cup (US) × 0.25 = 0.25 qt (US)
  2. 100 cup (US) × 0.25 = 25 qt (US)
  3. 50 cup (US) × 0.25 = 12.5 qt (US)

This factor is exact by definition.

Conversion table

US cups to US quarts
US cups (cup (US))US quarts (qt (US))
0.250.0625
0.50.125
0.750.1875
10.25
1.50.375
20.5
2.50.625
30.75
41
51.25
61.5
82
102.5

Values marked ≈ are rounded; the rest are exact.

Reverse table: US quarts to US cups
US quarts to US cups
US quarts (qt (US))US cups (cup (US))
0.251
0.52
0.753
14
1.56
28
2.510
312
416
520
624
832
1040

Convert US quarts to US cups

Unit definitions

US cups cup (US)
The US customary cup: one sixteenth of a US gallon, exactly 236.5882365 mL.
US quarts qt (US)
Four US cups: exactly 946.352946 mL.

Questions people ask

US cups to US quarts: what is the conversion factor?

One cup (US) is 0.25 qt (US).

How do I convert US cups to US quarts?

Use the formula above. For example, 100 cup (US) = 25 qt (US).

Is the conversion exact?

Yes. Both units have exact definitions, so the factor is exact; a result is only rounded when its decimals never end.

Factors checked 19 October 2026.