🧪 qt to mL — US Quart to Milliliter Converter

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

1 unit =
From
To
Formula 1 qt = 946.353 mL
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 Milliliter Conversion Table

Common us quart values converted to milliliter — factor: 1 qt = 946.4 mL

US Quart (qt)Milliliter (mL)Context
0.0625 qt59.15 mLCup
0.125 qt118.3 mLHalf pint
0.25 qt236.6 mLPint
0.5 qt473.2 mLLarge bottle
1 qt946.4 mLQuart bottle
2 qt1,893 mLHalf gallon
4 qt3,785 mLGallon jug
8 qt7,571 mL2 gallons
16 qt1.514e+04 mL4 gallons
32 qt3.028e+04 mL8 gallons
64 qt6.057e+04 mL16 gallons
128 qt1.211e+05 mL32 gallons
200 qt1.893e+05 mL50 gallons
256 qt2.423e+05 mL50 gallons
500 qt4.732e+05 mLLarge tank

About US Quart to Milliliter Conversion

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

In everyday use, knowing that 5 qt = 4732 mL and 10 qt = 9464 mL covers most common situations. For bulk calculations, 100 qt = 9.464e+04 mL is a useful anchor. The reverse conversion — milliliter back to us quart — uses the factor 0.001057, so 1 mL = 0.001057 qt.

All conversions use the internationally recognized factor of exactly 1 qt = 946.4 mL. 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: Milliliter = US Quart × 946.353

Multiply any us quart value by 946.353 to get milliliter. One us quart equals 946.353 mL.

Reverse: US Quart = Milliliter × 0.0010566881

Worked Examples

One US quart
1 qt × 946.353 = 946.353 mL
1 US quart = 946 mL — standard motor oil bottle.
One US gallon
4 qt × 946.353 = 3785.412 mL
4 quarts = 3,785 mL = 1 US gallon.
One US pint
0.5 qt × 946.353 = 473.1765 mL
0.5 quarts = 473 mL = 1 US pint.
Half gallon
2 qt × 946.353 = 1892.706 mL
2 quarts = 1,893 mL — standard juice carton.

Mental Math Tricks

Exact factor

1 qt = 946.353 mL. Memorize this for instant mental estimates.

Rounded shortcut

Use 946.353 as a quick mental factor. Multiply your US quarts value by this to estimate milliliters.

Reverse check

To verify: multiply your result by 0.0010566881 to recover the original qt value.

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 Milliliter

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.

Milliliter (mL)

The milliliter is one-thousandth of a liter, in use since the metric system was codified in France in 1795. The milli- prefix (from Latin mille, thousand) was standardized as part of the original SI prefix system.

Milliliters are the workhorse of medicine and cooking: syringes, dropper bottles, and nutritional labels all rely on mL for precise small-volume measurement. A standard US teaspoon is approximately 4.929 mL.

Interesting fact: The milliliter is numerically identical to the cubic centimeter (cm³), so 1 mL = 1 cm³ exactly. This equivalence is widely used in medicine, where a 5 cc syringe holds exactly 5 mL.