🧪 qt to pt — US Quart to US Pint Converter

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

1 unit =
From
To
Formula 1 qt = 2.0000021 pt
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 US Pint Conversion Table

Common us quart values converted to us pint — factor: 1 qt = 2 pt

US Quart (qt)US Pint (pt)Context
0.0625 qt0.125 ptCup
0.125 qt0.25 ptHalf pint
0.25 qt0.5 ptPint
0.5 qt1 ptLarge bottle
1 qt2 ptQuart bottle
2 qt4 ptHalf gallon
4 qt8 ptGallon jug
8 qt16 pt2 gallons
16 qt32 pt4 gallons
32 qt64 pt8 gallons
64 qt128 pt16 gallons
128 qt256 pt32 gallons
200 qt400 pt50 gallons
256 qt512 pt50 gallons
500 qt1,000 ptLarge tank

About US Quart to US Pint Conversion

Converting us quart to us pint 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 pint, or a laboratory protocol may specify volumes in us quart that need to be measured with equipment calibrated in us pint.

In everyday use, knowing that 5 qt = 10 pt and 10 qt = 20 pt covers most common situations. For bulk calculations, 100 qt = 200 pt is a useful anchor. The reverse conversion — us pint back to us quart — uses the factor 0.5, so 1 pt = 0.5 qt.

All conversions use the internationally recognized factor of exactly 1 qt = 2 pt. 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: US Pint = US Quart × 2.0000021

Multiply any us quart value by 2.0000021 to get us pint. One us quart equals 2.0000021 pt.

Reverse: US Quart = US Pint × 0.49999947

Worked Examples

One US quart
1 qt × 2.0000021 = 2.0000021 pt
1 US quart = 2 US pints — simple doubling.
Two US quarts
2 qt × 2.0000021 = 4.0000042 pt
2 quarts = 4 pints — a half gallon.
One US gallon
4 qt × 2.0000021 = 8.0000085 pt
4 quarts = 8 pints = 1 US gallon.
One US pint
0.5 qt × 2.0000021 = 1.0000011 pt
0.5 quarts = 1 US pint.

Mental Math Tricks

× 2 exactly

Quarts × 2 = pints. One quart is exactly two pints.

Easy doubling

4 qt (1 gal) = 8 pints. Just double the quart count.

Reverse

Pints ÷ 2 = 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 US Pint

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.

US Pint (pt)

The US liquid pint is one-eighth of a US gallon, exactly 16 fluid ounces or 473.176 mL. Its name comes from Old French pinte. The pint has been a standard tavern measure since at least the 14th century.

Pints remain the defining unit for beer serving sizes in many countries. A US pint is 16 fl oz, while the UK pint is 568 mL. Blood banks measure donations in pints.

Interesting fact: 'A pint's a pound, the world around' is a US mnemonic. A pint of water weighs approximately one pound (actually 1.043 lb).