Quarts to Liters Converter (qt to L)

Convert Quarts to Liters Instantly

Need to convert quarts to liters quickly? Enter the number of quarts in the calculator below and get the equivalent volume in liters instantly.

The calculator uses US liquid quarts, where 1 quart = 0.946352946 liters. This is the standard quart most commonly meant in US liquid-volume measurements. If you are working with an Imperial quart or a US dry quart, see the explanations below because those units have different values.

Convert quarts to liters

Uses US liquid quarts: 1 qt = 0.946352946 L

Quarts to Liters Converter (qt to L)

Converting quarts to liters is simple once you know which type of quart you are using. For the standard US liquid quart, multiply the number of quarts by 0.946352946 to get liters.

Quick answer: 1 US liquid quart = 0.946352946 liters, or about 0.946 L.

For everyday calculations, this also means that a quart is slightly smaller than a liter. NIST lists the US liquid quart at approximately 0.9463529 L and gives 0.95 L as a practical rounded conversion for everyday use.

For example:

2 qt = 1.892706 L
4 qt = 3.785412 L
5 qt = 4.731765 L
10 qt = 9.463529 L

The calculator above performs the calculation automatically, but understanding the formula is useful when you need to convert measurements without a conversion tool.

Quarts to Liters Formula

To convert quarts to liters, use the following formula:

Liters = Quarts × 0.946352946

For example, suppose you need to convert 5 US liquid quarts to liters:

5 × 0.946352946 = 4.73176473 liters

Rounded to three decimal places:

5 quarts ≈ 4.732 liters

The number of decimal places you need depends on what you are measuring. For cooking or general household use, two or three decimal places are usually sufficient. Technical calculations may require greater precision.

NIST notes that unit conversion involves not only applying the correct numerical conversion factor but also choosing an appropriate number of significant digits and rounding the result correctly.

What Is a Quart?

A quart is a unit of volume used primarily in systems derived from US customary and Imperial measurements.

In US liquid measurement:

1 quart = 2 pints = 4 cups = 32 US fluid ounces.

NIST’s Metric Kitchen reference also lists one US quart as 32 fluid ounces or four cups and gives a practical metric equivalent of approximately 950 mL.

The abbreviation for quart is qt, while liter is normally abbreviated L.

Because liters belong to the metric system while quarts belong to customary or Imperial systems, converting between them is especially useful when measurements from different countries or sources need to be compared.

US Liquid Quart vs Imperial Quart vs US Dry Quart

One of the most important details when converting quarts is that not every quart represents the same volume.

US Liquid Quart

The US liquid quart is the unit used by the calculator on this page.

1 US liquid quart ≈ 0.946352946 L

NIST lists the conversion factor as approximately 0.9463529 liter per US liquid quart.

This is generally the relevant measurement when dealing with liquid quantities stated in US customary units.

Imperial Quart

The Imperial quart is larger than the US liquid quart.

1 Imperial quart = 1.1365225 L

The official UK Units of Measurement Regulations list the Imperial quart at 1.1365225 liters.

Therefore, if a British or Imperial measurement specifically states an Imperial quart, do not use the US liquid conversion factor.

US Dry Quart

There is also a separate US dry quart used for dry-volume measurement.

1 US dry quart ≈ 1.101221 L

NIST lists the US dry quart conversion factor as approximately 1.101221 liters.

This distinction matters because using the wrong type of quart can introduce a noticeable measurement error.

Why Is Converting Quarts to Liters Important?

The quarts to liters conversion becomes useful whenever a volume expressed in US customary units needs to be understood or used in a metric context.

Liters are widely used as a standard metric volume measurement, while quarts still appear frequently in US measurements. As a result, the two systems often meet in recipes, product specifications, equipment instructions and international comparisons.

A conversion may be needed when:

  • following a US recipe while using metric measuring equipment;
  • comparing container or bottle capacities;
  • reading product specifications from another country;
  • converting quantities of liquids such as water, milk, oil or beverages;
  • working with vehicle or equipment fluid capacities;
  • adapting instructions that use US customary measurements to metric units;
  • checking whether a metric container has enough capacity for a quantity stated in quarts.

Being able to identify the type of quart is just as important as performing the calculation itself.

Where Are Quarts Most Commonly Used?

Quarts are most closely associated with US customary volume measurements. In everyday situations, they are particularly useful for describing quantities that are larger than a cup or pint but smaller than a gallon.

NIST’s household and cooking conversion materials include quarts alongside cups, pints, fluid ounces and gallons as part of US customary volume measurement.

Typical situations include cooking, food packaging, beverages, household liquids and fluid-capacity specifications.

Metric countries generally express comparable volumes directly in liters or milliliters, which is why a quarts to liters converter can be useful when information crosses between the two measurement systems.

Practical Quarts to Liters Examples

Here are several common examples using the US liquid quart:

Convert 2 quarts to liters

2 × 0.946352946 = 1.892705892 L

So:

2 qt ≈ 1.893 L

Convert 4 quarts to liters

4 × 0.946352946 = 3.785411784 L

So:

4 qt ≈ 3.785 L

Four US liquid quarts make one US gallon, and NIST lists the US gallon at approximately 3.785412 liters.

Convert 8 quarts to liters

8 × 0.946352946 = 7.570823568 L

So:

8 qt ≈ 7.571 L

Convert 12 quarts to liters

12 × 0.946352946 = 11.356235352 L

So:

12 qt ≈ 11.356 L

Should You Round the Result?

For most everyday conversions, rounding the answer makes the number easier to use.

For example:

1 qt = 0.946352946 L

can be written as:

0.95 L for a quick estimate
0.946 L for most practical calculations
0.946353 L when greater precision is useful

The important point is to avoid rounding too early in a multi-step calculation. Use the full conversion factor first and round the final result to the precision appropriate for your task.

Quarts to Liters Conversion Chart

The following table uses US liquid quarts and the conversion factor 1 qt = 0.946352946 L. NIST’s published conversion table gives the equivalent factor rounded to 0.9463529 L.

Quarts (qt) Liters (L)
1 qt 0.946353 L
10 qt 9.463529 L
20 qt 18.927059 L
30 qt 28.390588 L
40 qt 37.854118 L
50 qt 47.317647 L
60 qt 56.781177 L
70 qt 66.244706 L
80 qt 75.708236 L
90 qt 85.171765 L
100 qt 94.635295 L

For values that are not shown in the chart, use the calculator at the top of the page.

Accurate Quarts to Liters Conversion

The easiest way to convert quarts to liters is to multiply US liquid quarts by 0.946352946 or simply use the calculator above.

For quick estimates, remember that 1 quart is about 0.95 liters. For more precise work, use the full conversion factor and make sure you know whether the original measurement refers to a US liquid quart, US dry quart or Imperial quart.

Understanding that distinction prevents one of the most common errors in quart conversions and gives you a reliable result for cooking, household measurements, product specifications and other everyday volume calculations.

Frequently Asked Questions

How many liters are in 1 quart?

There are approximately 0.946353 liters in 1 US liquid quart. For quick everyday estimates, this is often rounded to 0.95 liters.

Is 1 quart the same as 1 liter?

No. One US liquid quart is approximately 0.946 liters, so one quart is slightly less than one liter.

How many liters are in 2 quarts?

Two US liquid quarts equal approximately 1.892706 liters.

How many liters are in 4 quarts?

Four US liquid quarts equal approximately 3.785412 liters. Four quarts also equal one US liquid gallon. NIST lists the US gallon at approximately 3.785412 liters.

How do I convert quarts to liters?

Multiply the number of US liquid quarts by 0.946352946.
For example:
6 qt × 0.946352946 = 5.678118 L

Are US and Imperial quarts the same?

No. A US liquid quart is approximately 0.946353 L, while an Imperial quart is 1.1365225 L. The Imperial quart is therefore larger.

What is a US dry quart in liters?

One US dry quart is approximately 1.101221 liters, according to NIST conversion tables.

Does this calculator use US or Imperial quarts?

The calculator on this page converts US liquid quarts to liters. If your source specifically says Imperial quart or dry quart, use the appropriate conversion factor instead.