Convert US Quart to Deciliter
Convert us quarts to deciliters instantly. 1 us quart = 9.46352946 deciliter — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Deciliter to US Quart converter for the reverse conversion.
Units explained
US Quart
A US liquid quart is one quarter of a US gallon (0.946352946 L).
From the Latin quartus, a quarter of a gallon.
Used for milk, oil and household liquids in the US.
English customary.
Deciliter
A deciliter is one tenth of a liter (0.0001 m³).
Formed with the SI prefix deci- applied to the liter.
Common in European cooking and clinical measurements.
Metric prefix system.
US Quart to Deciliter conversion formula
The relationship between us quarts and deciliters:
To convert us quarts to deciliters, multiply the value in us quarts by 9.46352946. To reverse, multiply deciliters by 0.1056688209.
How to use this converter
Type a value into the calculator. The result in deciliters updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Deciliter to US Quart converter for the reverse direction.
Step-by-step: convert us quarts to deciliters
- Write down the value in us quarts (qt).
- Multiply that value by the factor 9.46352946.
- The product is the equivalent value in deciliters (dL).
- To reverse, multiply the deciliter value by 0.1056688209.
Worked examples
Example 1 — Convert 1 qt to dL:
1 × 9.46352946 = 9.46352946 dL
Example 2 — Convert 100 qt to dL:
100 × 9.46352946 = 946.352946 dL
Real-world example — Paper and film thicknesses
At the thickness of office paper (roughly 3 us quarts), converting between sub-millimeter units is routine for packaging and printing buyers comparing quotes from metric and US suppliers.
3 qt × 9.46352946 = 28.39058838 dL
Real-world example — Plastic-film thickness alternates
A 150-us quart plastic film converts cleanly to deciliters — useful for packaging buyers reconciling supplier datasheets across metric and US measurement systems.
150 qt × 9.46352946 = 1419.529419 dL
Real-world example — Hair-width scale measurements
A 70-us quart measurement (about the diameter of a human hair) is the kind of value materials engineers regularly express in adjacent micro-scale units like deciliters for direct comparison across supplier datasheets.
70 qt × 9.46352946 = 662.4470622 dL
US Quart to Deciliter conversion table
Standard reference values for converting us quarts to deciliters:
| US Quart [qt] | Deciliter [dL] |
|---|---|
| 0.01 | 0.0946352946 |
| 0.1 | 0.946352946 |
| 1 | 9.46352946 |
| 2 | 18.92705892 |
| 3 | 28.39058838 |
| 4 | 37.85411784 |
| 5 | 47.3176473 |
| 10 | 94.6352946 |
| 20 | 189.2705892 |
| 30 | 283.9058838 |
| 40 | 378.5411784 |
| 50 | 473.176473 |
| 100 | 946.352946 |
| 500 | 4731.76473 |
| 1000 | 9463.52946 |
Frequently asked questions
How many deciliters is 1 us quart?
How do I convert us quarts to deciliters?
How do I convert deciliters back to us quarts?
How many deciliters is 100 us quarts?
Popular volume unit conversions
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Metric / SI (8 units)
US Customary (Liquid) (7 units)
Imperial (UK) (4 units)
Cubic (length-derived) (3 units)
Cooking / Culinary (3 units)
Sources & references
Conversion factor (1 qt = 9.46352946 dL) verified against the following authoritative sources:
- BIPM — The International System of Units (SI Brochure 9th ed.)
Official BIPM publication defining the seven SI base units (including the meter) and the rules for their use. The global authority on units of measurement.
- NIST — Guide to the SI
US National Institute of Standards and Technology reference covering the SI base and derived units with definitions and usage rules for US technical practice.
- NIST Special Publication 811 — Guide for the Use of the International System of Units
Detailed NIST guide covering exact conversion factors between SI and US customary units along with formatting and rounding conventions.
- NIST — Refinement of values for the yard and pound (Federal Register 1959)
The treaty (signed by US
- International Astronomical Union — System of Astronomical Constants
The IAU defines astronomical units including the AU (149597870700 m exactly) light-year and parsec used in astronomy and astrophysics.