🧪 qt to fl oz — US Quart to Fluid Ounce Converter

Convert volume units — liters, gallons, cups, milliliters, cubic meters, pints, quarts.

1 unit =
From
To
Formula 1 qt = 32.000034 fl oz
UnitNameValue
L Liter 0.946353
mL Milliliter 946.353
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
Last updated: March 2026

US Quart to Fluid Ounce Conversion Table

Common us quart values converted to fluid ounce — factor: 1 qt = 32 fl oz

US Quart (qt)Fluid Ounce (fl oz)Context
0.0625 qt2 fl ozCup
0.125 qt4 fl ozHalf pint
0.25 qt8 fl ozPint
0.5 qt16 fl ozLarge bottle
1 qt32 fl ozQuart bottle
2 qt64 fl ozHalf gallon
4 qt128 fl ozGallon jug
8 qt256 fl oz2 gallons
16 qt512 fl oz4 gallons
32 qt1,024 fl oz8 gallons
64 qt2,048 fl oz16 gallons
128 qt4,096 fl oz32 gallons
200 qt6,400 fl oz50 gallons
256 qt8,192 fl oz50 gallons
500 qt1.6e+04 fl ozLarge tank

About US Quart to Fluid Ounce Conversion

Converting us quart to fluid ounce comes up frequently in cooking, chemistry, medicine, and engineering. A recipe written in metric units may need to be adapted for a kitchen using fluid ounce, or a laboratory protocol may specify volumes in us quart that need to be measured with equipment calibrated in fluid ounce.

In everyday use, knowing that 5 qt = 160 fl oz and 10 qt = 320 fl oz covers most common situations. For bulk calculations, 100 qt = 3200 fl oz is a useful anchor. The reverse conversion — fluid ounce back to us quart — uses the factor 0.03125, so 1 fl oz = 0.03125 qt.

All conversions use the internationally recognized factor of exactly 1 qt = 32 fl oz. 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.

Quick Answer

Formula: Fluid Ounce = US Quart × 32.000034

Multiply any us quart value by 32.000034 to get fluid ounce. One us quart equals 32.000034 fl oz.

Reverse: US Quart = Fluid Ounce × 0.031249967

Worked Examples

One US quart
1 qt × 32.000034 = 32.000034 fl oz
1 US quart = 32 fl oz.
One US pint
0.5 qt × 32.000034 = 16.000017 fl oz
0.5 quarts = 16 fl oz = 1 US pint.
One US gallon
4 qt × 32.000034 = 128.00014 fl oz
4 quarts = 128 fl oz = 1 US gallon.
One US cup
0.25 qt × 32.000034 = 8.0000085 fl oz
0.25 quarts = 8 fl oz = 1 US cup.

Mental Math Tricks

× 32 exactly

Quarts × 32 = fluid ounces. One quart = exactly 32 fl oz.

Easy scaling

½ qt = 16 fl oz = 1 pint, ¼ qt = 8 fl oz = 1 cup.

Reverse

fl oz ÷ 32 = quarts.

Who Uses This Conversion?

Mechanic

Changes engine oil sold in quart bottles, the standard US motor oil size.

Artisan Ice Cream Maker

Produces and sells ice cream in quart containers, the classic American retail size.

Deli Chef

Stores soups, stocks, and sauces in quart deli containers for organized kitchen prep.

Weekend DIYer

Buys house paint in quart cans for smaller projects, about 90 sq ft per coat.

Caterer

Scales recipes using quarts: 4 cups = 1 quart for easy mental division.

Lab Technician

Measures buffer solutions and culture media in quart batches for microbiology.

Frequently Asked Questions

About US Quart and Fluid Ounce

US Quart (qt)

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.

Fluid Ounce (fl oz)

The US fluid ounce is defined as 1/128 of a US gallon, exactly 29.5735 mL. The US and UK fl oz differ: the US is 29.57 mL while the Imperial fl oz is 28.41 mL.

Fluid ounces appear on every US beverage container: a soda can is 12 fl oz, a water bottle is 16.9 fl oz, and a US shot glass is 1.5 fl oz.

Interesting fact: Despite sharing the name 'ounce', the fluid ounce measures volume, not weight. One fl oz of water weighs about 1.04 oz, but one fl oz of honey weighs about 1.5 oz.