Convert fluid ounces to quarts

1 fl oz=0.03125qt

Use the converter below to change any fluid ounces value into quarts instantly — with formula, conversion table, and real-world examples.

You have

Equals

0.03125

Conversion formula

Forward

quarts = fluid ounces × 0.03125

Reverse

fluid ounces = quarts × 32

Example: 10 fl oz × 0.03125 = 0.3125 qt.

About both units

From

Fluid Ounce

fl oz

The US fluid ounce equals 29.5735 millilitres — 1/128 of a US gallon. The UK fluid ounce (28.41 ml) is slightly smaller. Used for beverage can sizes in the US, cosmetic product sizes and many US cooking recipes. Do not confuse with the ounce of mass (28.35 g).

Real-world: A US soda can is 12 fl oz (355 ml). A Starbucks Tall is 12 fl oz; Grande is 16; Venti is 20.

Read full fluid ounce reference →

Quart

The US liquid quart equals 946 millilitres — 2 pints or 1/4 US gallon. The UK imperial quart (1.137 L) is larger, like the other UK liquid units. Quarts are used in US cooking recipes and for motor-oil bottles.

Real-world: A US quart of motor oil is 946 ml. A "quart of milk" in the US ≈ 1 L. UK "quart" is rare today.

Read full quart reference →

Fluid Ounce to Quart conversion table

Common fluid ounces to quarts values for quick reference.

Fluid Ounce (fl oz)	Quart (qt)
1 fl oz	0.03125 qt
2 fl oz	0.0625 qt
5 fl oz	0.1563 qt
10 fl oz	0.3125 qt
20 fl oz	0.625 qt
50 fl oz	1.5625 qt
100 fl oz	3.125 qt
200 fl oz	6.25 qt
500 fl oz	15.625 qt
1,000 fl oz	31.25 qt

Tips & common mistakes

Quick tips

1 US fl oz ≈ 29.6 ml; 1 UK fl oz ≈ 28.4 ml.
8 US fl oz ≈ 1 US cup ≈ 237 ml.
Use ml to avoid ambiguity between US and UK fluid ounces.

Avoid these

Mixing US and UK fluid ounces — 16 fl oz (US) = 473 ml vs. 16 fl oz (UK) = 455 ml.
Confusing fluid ounce (volume) with avoirdupois ounce (mass).
Assuming 1 fl oz = 1 oz by weight — only true for pure water and approximately.

Frequently asked questions

How many quarts in a fluid ounce?

One fluid ounce equals 0.03125 quarts.

How do I convert fluid ounces to quarts?

Multiply the fluid ounce value by 0.03125 to get the equivalent in quarts.

What is 100 fluid ounces in quarts?

100 fluid ounces equals 3.125 quarts.

Is a fluid ounce bigger than a quart?

No. 1 fluid ounce equals 0.03125 quarts, so one fluid ounce is smaller.

How to convert fluid ounces to quarts without a calculator?

Multiply by 0.03 for a quick estimate; use a calculator for precise results.

Related volume conversions

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