What is Quarts to Liters Converter?

This tool converts US quarts to liters, essential for motor oil changes, cooking large batches, and understanding product capacities. The quart is common in American automotive and kitchen contexts, while liters are the international standard.

The Conversion Factor

One US quart equals 0.946353 liters. Conveniently, a quart and a liter are nearly equal—a quart is just 5.4% smaller than a liter.

Quart Relationships

1 quart = 2 pints = 4 cups
4 quarts = 1 gallon
1 quart = 32 fluid ounces

Common Uses

Motor oil: Engine capacities often listed in quarts
Cooking: Stock pots and large recipes
Canning: Mason jar sizes
Paint: Small quantity containers

Automotive Context

Typical engine oil capacities:

4-cylinder: 4-5 quarts = 3.8-4.7 liters
6-cylinder: 5-6 quarts = 4.7-5.7 liters
8-cylinder: 6-8 quarts = 5.7-7.6 liters

Privacy

All calculations happen locally with no data collection.

How to Use

Converting quarts to liters is straightforward:

Enter the quart amount
View the liter equivalent instantly
Use for comparisons or purchasing decisions

Easy Approximation

Since 1 quart ≈ 1 liter (only 5% difference):

For quick estimates, treat quarts as liters
5 quarts ≈ 5 liters (actually 4.73 L)
This slightly overestimates, which is safer for oil changes

Motor Oil Example

Your car needs 5 quarts of oil. In liters:

5 qt × 0.946 = 4.73 liters
Buy a 5-liter jug—you'll have a little extra

Cooking Application

Making a large batch of soup (6 quarts):

6 qt = 5.68 liters
Need a pot that holds at least 6 liters

Features

Accurate Conversion

Uses the precise factor: 1 quart = 0.946353 liters. Important for automotive applications where fluid levels matter.

Real-Time Results

Results appear as you type for quick comparisons.

Reference Table

Common quart to liter conversions:

1 qt = 0.946 L
2 qt = 1.89 L
3 qt = 2.84 L
4 qt = 3.79 L (1 gallon)
5 qt = 4.73 L
6 qt = 5.68 L

Copy Button

Copy values for parts lists or shopping needs.

Unit Options

Switch to gallons, pints, or other units using the dropdowns.

Frequently Asked Questions

How many liters is 1 quart?

One US quart equals 0.946 liters. It's slightly less than 1 liter.

Is a quart the same as a liter?

Almost. A quart is about 5% smaller than a liter. For many purposes, they can be used interchangeably, but for precision (like motor oil), use the exact conversion.

How many quarts of oil is 5 liters?

5 liters equals 5.28 quarts. If your engine needs 5 quarts, a 5-liter container provides slightly more than needed.

How many quarts are in a gallon?

4 quarts = 1 gallon. This relationship is exact in the US measurement system.

What's the difference between US and UK quarts?

A US quart is 946 mL, while a UK quart is 1,137 mL—about 20% larger. This converter uses US quarts.

Why is motor oil sold by the quart in the US?

Engine oil has been sold by the quart since before metrication became common. Engine capacities in US car manuals are specified in quarts, maintaining this tradition.

Quarts to Liters