Volume · Unit Converter

Convert US Fluid Ounce to Imperial Quart

Convert us fluid ounces to imperial quarts instantly. 1 us fluid ounce = 0.0260210683 imperial quart — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Imperial Quart to US Fluid Ounce converter for the reverse conversion.

Written by Sunith Babu L, Ph.D., Lead Engineer Reviewed by Dr. Jaya Christiyan K G, Ph.D.
Volume category 2 min read Published Last reviewed Updated

Units explained

US Customary (Liquid)

US Fluid Ounce

What is a us fluid ounce?

A US fluid ounce is 1/128 of a US gallon (29.5735 mL).

Origin of the us fluid ounce

Derived from the gallon subdivision; distinct from the slightly smaller UK fluid ounce.

Where it is used

Standard for US beverage and nutrition labeling.

When and where it was developed

English customary; US since 1824.

Imperial (UK)

Imperial Quart

What is a imperial quart?

An imperial quart is one quarter of an imperial gallon (1.13652 L).

Origin of the imperial quart

A subdivision of the 1824 imperial gallon.

Where it is used

Used in the UK and Commonwealth.

When and where it was developed

UK, 1824.

US Fluid Ounce to Imperial Quart conversion formula

The relationship between us fluid ounces and imperial quarts:

1 fl oz = 0.0260210683 qt
1 qt = 38.4303976162 fl oz

To convert us fluid ounces to imperial quarts, multiply the value in us fluid ounces by 0.0260210683. To reverse, multiply imperial quarts by 38.4303976162.

How to use this converter

Type a value into the calculator. The result in imperial quarts updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Imperial Quart to US Fluid Ounce converter for the reverse direction.

Step-by-step: convert us fluid ounces to imperial quarts

  1. Write down the value in us fluid ounces (fl oz).
  2. Multiply that value by the factor 0.0260210683.
  3. The product is the equivalent value in imperial quarts (qt).
  4. To reverse, multiply the imperial quart value by 38.4303976162.

Worked examples

Example 1 — Convert 1 fl oz to qt:
1 × 0.0260210683 = 0.0260210683 qt

Example 2 — Convert 100 fl oz to qt:
100 × 0.0260210683 = 2.602106827 qt

Real-world example — Plastic film and laminate thickness

A 500-us fluid ounce sheet is a typical spec for ID-card laminates and film overlays. Converting to imperial quarts aligns the value with the unit most CAD systems and material datasheets prefer.

500 fl oz × 0.0260210683 = 13.0105341348 qt

Real-world example — Packaging gauge

A 4-us fluid ounce plastic bag thickness is a common spec for grocery and freezer bags. Converting from us fluid ounces to imperial quarts is what packaging buyers do whenever they bridge US and metric supplier quotes.

4 fl oz × 0.0260210683 = 0.1040842731 qt

US Fluid Ounce to Imperial Quart conversion table

Standard reference values for converting us fluid ounces to imperial quarts:

US Fluid Ounce [fl oz]Imperial Quart [qt]
0.010.0002602107
0.10.0026021068
10.0260210683
20.0520421365
30.0780632048
40.1040842731
50.1301053413
100.2602106827
200.5204213654
300.7806320481
401.0408427308
501.3010534135
1002.602106827
50013.0105341348
100026.0210682697

Frequently asked questions

How many imperial quarts is 1 us fluid ounce?
1 us fluid ounce equals 0.0260210683 imperial quart.
How do I convert us fluid ounces to imperial quarts?
Multiply the value in us fluid ounces by 0.0260210683 to get imperial quarts.
How do I convert imperial quarts back to us fluid ounces?
Multiply the value in imperial quarts by 38.4303976162, or use the Imperial Quart to US Fluid Ounce converter.
How many imperial quarts is 100 us fluid ounces?
100 us fluid ounces equals 2.602106827 imperial quarts, because 100 × 0.0260210683 = 2.602106827.

Convert US Fluid Ounce to other volume units

Show all US Fluid Ounce conversions
Metric / SI (8 units)
US Fluid Ounce to Cubic Centimeter (cm³) US Fluid Ounce to Milliliter (mL) US Fluid Ounce to Centiliter (cL) US Fluid Ounce to Deciliter (dL) US Fluid Ounce to Cubic Decimeter (dm³) US Fluid Ounce to Liter (L) US Fluid Ounce to Hectoliter (hL) US Fluid Ounce to Cubic Meter (m³)
US Customary (Liquid) (7 units)
US Fluid Ounce to US Teaspoon (tsp) US Fluid Ounce to US Tablespoon (tbsp) US Fluid Ounce to US Cup (cup) US Fluid Ounce to US Pint (pt) US Fluid Ounce to US Quart (qt) US Fluid Ounce to US Gallon (gal) US Fluid Ounce to US Oil Barrel (bbl (oil))
Imperial (UK) (4 units)
US Fluid Ounce to Imperial Fluid Ounce (fl oz) US Fluid Ounce to Imperial Pint (pt) US Fluid Ounce to Imperial Quart (qt) US Fluid Ounce to Imperial Gallon (gal)
Cubic (length-derived) (3 units)
US Fluid Ounce to Cubic Inch (in³) US Fluid Ounce to Cubic Foot (ft³) US Fluid Ounce to Cubic Yard (yd³)
Cooking / Culinary (3 units)
US Fluid Ounce to Metric Teaspoon (tsp) US Fluid Ounce to Metric Tablespoon (tbsp) US Fluid Ounce to Metric Cup (cup)

Sources & references

Conversion factor (1 fl oz = 0.0260210683 qt) verified against the following authoritative sources:

Results are provided for general reference. Verify critical measurements against an authoritative standard.