🧪 pt to qt — US Pint to US Quart Converter

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

1 unit =
From
To
Formula 1 pt = 0.49999947 qt
UnitNameValue
L Liter 0.473176
mL Milliliter 473.176
Cubic Meter 0.000473176
gal(US) US Gallon 0.12499993
gal(UK) UK Gallon 0.10408417
qt US Quart 0.49999947
cup US Cup 2
fl oz Fluid Ounce 16
Last updated: March 2026

US Pint to US Quart Conversion Table

Common us pint values converted to us quart — factor: 1 pt = 0.5 qt

US Pint (pt)US Quart (qt)Context
0.0625 pt0.03125 qtTablespoon
0.125 pt0.0625 qtQuarter cup
0.25 pt0.125 qtHalf cup
0.5 pt0.25 qtOne cup
1 pt0.5 qtPint glass
2 pt1 qtOne quart
4 pt2 qtHalf gallon
8 pt4 qtOne gallon
16 pt8 qt2 gallons
32 pt16 qt4 gallons
64 pt32 qt8 gallons
128 pt64 qt16 gallons
256 pt128 qt32 gallons
336 pt168 qtOne barrel
512 pt256 qtLarge drum

About US Pint to US Quart Conversion

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

In everyday use, knowing that 5 pt = 2.5 qt and 10 pt = 5 qt covers most common situations. For bulk calculations, 100 pt = 50 qt is a useful anchor. The reverse conversion — us quart back to us pint — uses the factor 2, so 1 qt = 2 pt.

All conversions use the internationally recognized factor of exactly 1 pt = 0.5 qt. 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 Quart = US Pint × 0.49999947

Multiply any us pint value by 0.49999947 to get us quart. One us pint equals 0.49999947 qt.

Reverse: US Pint = US Quart × 2.0000021

Worked Examples

One US quart
2 pt × 0.49999947 = 0.99999894 qt
2 US pints = 1 US quart.
One US pint
1 pt × 0.49999947 = 0.49999947 qt
1 US pint = 0.5 US quarts.
One US gallon
8 pt × 0.49999947 = 3.9999958 qt
8 pints = 4 quarts = 1 US gallon.
Half gallon
4 pt × 0.49999947 = 1.9999979 qt
4 pints = 2 quarts = half gallon.

Mental Math Tricks

÷ 2 exactly

Pints ÷ 2 = quarts. Two pints = one quart.

Key anchor

8 pints = 4 quarts = 1 US gallon.

Reverse

Quarts × 2 = pints.

Who Uses This Conversion?

Bartender

Serves draft beer in pint glasses, the standard US serving at 16 fl oz.

Blood Bank Tech

Collects whole blood donations at roughly one US pint (473 mL) per standard unit.

Farmers Market Vendor

Sells fresh berries and herbs in pint containers, the US standard berry basket.

Ice Cream Shop Owner

Portions premium ice cream into pint containers for take-home sales.

Home Cook

Follows American baking recipes calling for a pint of cream, stock, or buttermilk.

Paramedic

Estimates blood loss in pints as a rapid clinical gauge during emergency response.

Frequently Asked Questions

About US Pint and 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).

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.