Liter To Quart Converter

Verified by the ConvertReference Technical Standards Team

ConvertReference Technical Standards Team

All values and formulas are validated through our editorial review process and cross-checked against internationally recognized reference standards (NIST, BIPM, CODATA).

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Last reviewed: December 07, 2025

Conversion Factors

1 liter = 1.05668820943259 quart
1 quart = 0.946352946 liter

(Exact factors: 1.05668820943259 and 0.946352946)

Sources: NIST · BIPM

About This Liter And Quart Converter

Welcome to a simple, focused tool for liters and quarts. Easily compare values between these two units with a clear display. Use the swap button to switch between liters and quarts anytime. The clean interface helps you get clear results fast.

What Are Liters And Quarts?

What Is A Liter?

Liter (L) is the basic metric unit of volume. It is defined as one cubic decimeter (1 L = 1 dm^3 = 1000 cm^3 = 0.001 m^3). It belongs to the metric system and is used with SI; symbol L (or l). Real-world: a standard bottle of water is about 1 liter (roughly 0.001 cubic meters).

What Is A Quart?

Quart is a unit of volume equal to one quarter of a gallon. In the US customary system, a US liquid quart = 32 US fluid ounces ≈ 0.94635 liters. In the British imperial system, an imperial quart = 1/4 imperial gallon ≈ 1.13652 liters. Symbol: qt. Systems: US Customary and British Imperial. Real-world example: a typical milk carton is 1 quart (about 1 liter).

When To Use Liter Vs Quart

Liter Usage

Liters are the standard metric unit of volume in countries that use the metric system. It is commonly used for beverages, liquids, and consumer packaging in daily life and commerce. One liter equals 1,000 cubic centimeters (1 L = 1 dm3). Primary users include France, Germany, Japan, and the United Kingdom.

Quart Usage

Quart is used primarily in the United States for cooking, beverages, and household measures. It also appears in a few other countries with historical familiarity with imperial or US customary units, including the United Kingdom, Canada, and Liberia, where it may be encountered in packaging or informal use.

How To Convert Between Liters And Quarts

Conversion Formulas

Liter to Quart:
liter × 1.05668820943259 = quart

Quart to Liter:
quart × 0.946352946 = liter

Step-by-Step Guide

Liter to Quart

Take your value in liters.
Multiply by 1.05668820943259.
The result is in quarts.

Quart to Liter

Take your value in quarts.
Multiply by 0.946352946.
The result is in liters.

Example: Convert 0.05 liters to quarts.

Exact: 0.05 × 1.05668820943259 = 0.0528344104716297 quarts.
Rounded: approximately 0.0528344 quarts.

Example: Convert 5 quarts to liters.

Exact: 5 × 0.946352946 = 4.73176473 liters.
Rounded: approximately 4.73176 liters.

History & Context

The liter has roots in old measurement habits and in European and North American practice. The liter was introduced with the metric system to standardize volumes for science, commerce, and daily life, aiming for a simple decimal structure and broader consistency. The quart grew out of English and American practice, used in homes and markets, and tied to pints and gallons in varied ways. Over time many countries adopted the liter as the main volume unit, while the quart remained in use in places with long tradition, showing how measurement ideas travel and change across borders.

Practical Use

In a European cooking class, a chef measures soup in liters but needs to convert to quarts to follow a US recipe. This liter-to-quart conversion helps them use standard measuring cups and ensure the right final volume. Later, a winemaker working on a small batch switches from quarts to liters to fit the metric lab containers they use. Having a quick liter↔quart reference on the online converter page makes switching between units quick and easy during cooking and experiments.

Common Mistakes When Converting Between Liters And Quarts

Assuming the liter and the quart are the same unit.
Using the wrong direction of conversion by multiplying when you should divide.
Confusing US liquid quarts with imperial quarts and applying the wrong size.
Treating liters and quarts as interchangeable without checking which system you are using.

Mental Shortcuts For Quick Conversions

Tip 1: L to qt — 1 L ≈ 1.06 qt, so estimate as about 1 qt. Tip 2: qt to L — 1 qt ≈ 0.95 L. Note: for estimation only; use a precise converter when accuracy matters.

Liters And Quarts Conversion Graph

Conversion Table For Liter And Quart

Common conversion values
Liters	Quarts
0.01	0.0105669
0.05	0.0528344
0.1	0.105669
0.2	0.211338
0.5	0.528344
1	1.05669
2	2.11338
5	5.28344
10	10.5669
20	21.1338

Values are rounded for display; internal calculations use the exact conversion factors between liter and quart (1.05668820943259 and 0.946352946).

Dataset & API Access

Programmatic Access

Free JSON API with stable endpoints and predictable keys for automated bidirectional conversions.

Endpoint: https://convertreference.org/api/v1/convert/liter-to-quart.json

Content Type: application/json

Documentation: View API docs

Licensing

License: CC0 1.0 Universal (Public Domain)

See all datasets

Data & Editorial Process

All numerical values and formulas are generated from the Pint scientific unit library (v0.25), using constants consistent with the BIPM SI Brochure (9th Edition) and NIST Special Publication 811. Explanatory text is drafted with AI assistance and reviewed by ConvertReference editors for clarity and accuracy. This converter is completely free to use, and all calculations are performed locally in your browser and never sent to a server.

2025-12-07 – Generated: Page created using Pint v0.25 verified constants.
2025-12-07 – Reviewed: Verified by ConvertReference editors; no numerical changes required.

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