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Liter to US Quart Conversion Calculator (L to qt (US))

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Live Conversion • ISO 80000-3:2019 Certified
1 Liter = 1056.68820943 Quart (US)
1 L = 1056.688209 qt (US) • 1 qt (US) = 0.000946353 L
Liter to Quart (US): One Liter is equal to 1056.68820943 Quarts (US).
Certified Authority Value
1056.68820943
qt (US)
Exact: 1 qt (US) ≡ 0.000946352946 L
L
L
Swap to Quart (US) to Liter
qt (US)
qt (US) 1056.68820943
Quick Values:
1 L 5 L 10 L 25 L 50 L 100 L 250 L 500 L 1,000 L
Conversion Formula
To convert Liter to Quart (US), multiply by 1056.68820943
L × 1056.68820943 = qt (US)

Calculation: 1 L × 1056.68820943 = 1056.68820943 qt (US)

Common Liter to Quart (US) Calculations

Quick-lookup reference table showing calculated equivalents for standard increments between Liter (L) and Quart (US) (qt (US)).

Tap any row to calculate
Quart (US) to Liter: Reciprocal Summary
Quart (US) to Liter Conversion Reference Table
Reciprocal & Equivalent Value Scientific Notation
1 qt (US) is equal to 0.000946353 L (Liter) 9.464 × 10⁻⁴
5 qt (US) is equal to 0.00473176 L (Liter) 4.732 × 10⁻³
10 qt (US) is equal to 0.00946353 L (Liter) 9.464 × 10⁻³
50 qt (US) is equal to 0.0473176 L (Liter) 4.732 × 10⁻²
100 qt (US) is equal to 0.0946353 L (Liter) 9.464 × 10⁻²
View Complete 15-Row Quart (US) to Liter Table

Real-World Context & Everyday Benchmarks

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To help contextualize these units in everyday life, science, and engineering, here are verified real-world reference points for Liter (L) and Quart (US) (qt (US)):

Liter References:

  • Standard grocery store whole milk paper carton 1 L
  • Standard glass wine bottle liquid capacity 0.75 L
  • Large family party size carbonated soft drink bottle 2 L
  • Compact commuter passenger car fuel tank capacity 50 L

Quart (US) References:

  • Automotive engine motor oil refill bottle 1 qt (US)
  • Countertop kitchen food blender mixing pitcher 2 qt (US)

Tap any benchmark above to automatically calculate its exact equivalent in Quart (US).

ISQ Dimension: [L³] Coherent SI Unit: cubic meter (m³) Classical Mechanics & Dimensional Metrology

How to Convert Liter to Quart (US)

Converting Liter (L) to Quart (US) (qt (US)) is a core calculation in Volume and Capacity, which measures the three-dimensional space enclosed within a boundary or occupied by a solid, liquid, or gas. This calculation navigates the boundary between the International Metric System (SI) and British Imperial / US Customary engineering standards. In contemporary metrology, Imperial units are defined in terms of exact SI standards via international agreements—notably NIST SP 811 and the 1959 International Yard and Pound Agreement. Exactly 1 Liter equals 1056.688209 Quart (US), while 1 qt (US) equals 0.000946353 L.

Direct Factor1 L = 1056.688209 qt (US)
Inverse Ratio1 qt (US) = 0.000946353 L
Conversion ScaleMetric SI to British Imperial / US Customary Bridge
First-Principles SI Derivation ProofNIST SP 811 / ISO 80000 Compliance

Mathematical Conversion Derivation via Coherent SI Base Unit

Under the International System of Quantities (ISQ), dimensional conversion between non-SI units is rigorously resolved by bridging through the coherent SI base unit (cubic meter (m³)) without arbitrary rounding:

Vtarget=Vsource×(ksource→SIktarget→SI)V_{\text{target}} = V_{\text{source}} \times \left( \frac{k_{\text{source} \to \text{SI}}}{k_{\text{target} \to \text{SI}}} \right)
Universal Dimensional Conversion Law (ISO 80000 / NIST SP 811)
1. Source SI Bridge (ksource):1 L = 1 cubic meter (m³)
2. Target SI Bridge (ktarget):1 qt (US) = 0.000946353 cubic meter (m³)
Step-by-step substitution for Liter → Quart (US):V(qt (US)) = V(L) × ( 1 / 0.000946353 ) = V(L) × 1056.688209
Mathematical FormulaValue in Quart (US) = Value in Liter × 1056.68820943Direct computational formula applied for standard conversion.
Worked Example

Evaluating an input of 120 Liter (L) produces 126802.585132 Quart (US) (qt (US)). In heavy-duty utility and industrial workloads, 240 L equals 253605.170264 qt (US).

Inverse check: 1 qt (US) = 0.000946353 L.

Understanding Liter and Quart (US)

Liter

L
SI Base Standard

A Liter (L) is the official base standard unit for volume and capacity.

Applications & Practical Context

In practical volume terms, a standard grocery store whole milk paper carton equals 1 L, a standard glass wine bottle liquid capacity equals 0.75 L, a large family party size carbonated soft drink bottle equals 2 L.

Physical Setup

A volumetric capacity of 1 L corresponds to a three-dimensional geometric space holding 1 Liter of substance.

Conversion to SI Unit: cubic meter (m³)
1 L = 1 m³ (Base Standard)

Quart (US)

qt (US)
Imperial / US

A Quart (US) (qt (US)) is an imperial and US customary unit for volume and capacity.

Applications & Practical Context

In practical volume terms, a automotive engine motor oil refill bottle equals 1 qt (US), a countertop kitchen food blender mixing pitcher equals 2 qt (US).

Physical Setup

A physical magnitude of 1 qt (US) corresponds to 0.000946353 m³ in standard SI measurement.

Conversion to SI Unit: cubic meter (m³)
1 qt (US) = 0.000946353 m³

Domain Metrology & Engineering Applications

Governing Law & Equation

Euclidean 3D Spatial Volume Integration (V = ∭ dx dy dz)

Measurement Instrumentation

Rigorously quantified in laboratory and field settings using gravimetric pycnometers, calibrated volumetric glassware, ultrasonic tank level gauges, and laser volume scanners.

Primary Industry Sectors

Applied across bulk liquid logistics, chemical process engineering, pharmaceutical compounding, and beverage manufacturing under international metrology standard ISO 80000-3:2019, NIST SP 811.

Physical Orders of Magnitude & Laboratory Reference Benchmarks

Physical Phenomenon / Engineering ReferenceReference ValueConverted to Quart (US)
Standard grocery store whole milk paper carton1 L1056.688209 qt (US)
Standard glass wine bottle liquid capacity0.75 L792.516157 qt (US)
Large family party size carbonated soft drink bottle2 L2113.376419 qt (US)
Compact commuter passenger car fuel tank capacity50 L52834.410472 qt (US)
Institutional Metrology & Standard Authority:

Formulas, conversion coefficients, and base definitions on this page strictly adhere to the ISO 80000-3:2019, NIST SP 811 and the BIPM SI Brochure (9th Edition). Governed by Euclidean 3D Spatial Volume Integration (V = ∭ dx dy dz) under ISO 80000 dimensional vector [L³].

Multi-Variable Engineering Bridge Material Science & Solid Displacement

Mass–Volume–Density Material Bridge (m³ • Liters • Gallons • Cu. Ft • Metric Tons • Pounds)

Calculate solid displacement, storage volume, and shipping mass using the fundamental mass-density relation m = ρ × V, bridging physical mass [M] and bulk volume [L³] via metrological solid density (ρ).

V = m / ρ
Live Calculated Bridge Equivalent:
1 L at Structural Carbon Steel (ASTM A36) = 0.1274 L
Equals 0.00012739 m³ • 0.03365 gal (US) • 0.004499 ft³
Fluid / Disp Volume
0.1274
L
Liters
SI Standard
0.00012739
m³
Cubic Meters
US Liquid Standard
0.03365
gal (US)
US Gallons
Imperial Standard
0.004499
ft³
Cubic Feet
Civil / Concrete
0.0001666
yd³
Cubic Yards
UK Standard
0.02802
gal (UK)
Imperial Gallons
  1. 1. Normalize Input to SI Base Unit (kg):
    m = 1 L × 1 = 1 kg
  2. 2. Apply Engineering Parameter (ρ):
    Selected condition: Structural Carbon Steel (ASTM A36) at ρ = 7850 kg/m³
  3. 3. Execute Governing Physical Law in SI Units:
    V = m / ρ = (1) ÷ (7850) = 0.00012739 m³
  4. 4. Convert to Standard Engineering Units:
    • L: 0.00012739 × 1000 = 0.1274 L (Liters) • m³: 0.00012739 × 1 = 0.00012739 m³ (Cubic Meters) • gal (US): 0.00012739 × 264.1721 = 0.03365 gal (US) (US Gallons) • ft³: 0.00012739 × 35.3147 = 0.004499 ft³ (Cubic Feet) • yd³: 0.00012739 × 1.308 = 0.0001666 yd³ (Cubic Yards) • gal (UK): 0.00012739 × 219.9692 = 0.02802 gal (UK) (Imperial Gallons)
Explore Full Density Converter →
Engineering Substance / Operating Standard Parameter Value (kg/m³) Reference State / Condition Typical Industrial & Engineering Application
Structural Carbon Steel (ASTM A36) 7850 20°C, standard mill carbon steel I-beams, rebar, plate & structural fabrication
Aluminum Alloy (6061-T6) 2700 20°C, wrought structural alloy Aerospace, automotive chassis & framing profiles
Pure Electrolytic Copper (ETP C11000) 8940 20°C, ASTM B187 Electrical busbars, wiring & heat exchanger tubing
Reinforced Concrete (Normal Weight) 2400 Cured, standard 28-day stone aggregate Civil engineering foundations, columns & slabs
Water (Pure Metrology Benchmark, 4°C) 1000 4°C, 1 atm (SG = 1.000) Hydraulic displacement calibration & SG standard
Structural Softwood (Dry Pine / Douglas Fir) 500 12% equilibrium moisture content Architectural timber framing & lumber freight
Structural Hardwood (White Oak) 750 Air-dried, 12% moisture Heavy timber construction, rail ties & flooring
Pure Gold Bullion (24K / 99.99%) 19320 20°C, cast bullion standard Precious metals custody & assay verification
Titanium Alloy (Grade 5 Ti-6Al-4V) 4430 Annealed, ASTM B265 Aerospace turbines, airframe forgings & implants
Gray Cast Iron (Class 30) 7200 20°C, ASTM A48 Engine cylinder blocks, pump housings & machine bases
Automotive Gasoline / Petrol (15°C) 740 15°C, ASTM D4814 Fuel tank volume sizing & bunkering logistics
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Frequently Asked Questions

There are exactly 1056.68820943 quarts (us) (qt (US)) in 1 liter (L). To calculate larger amounts manually, simply multiply your total number of liters by the conversion multiplier of 1056.68820943.

The mathematical formula to convert liters to quarts (us) is: [value] * 1056.68820943 = quarts (us). Rather than doing the math manually, you can use our high-precision online calculator to process this exact equation instantly without rounding errors.

To perform the reverse calculation from quarts (us) back to liters, you must divide your starting value by 1056.68820943. Our bidirectional tool automatically computes this inverse equation the moment you type into the quart (us) input field.

1 Liter is larger than 1 Quart (US). Specifically, 1 Liter equals exactly 1056.68820943 quarts (us), making it 1056.6882 times larger (a difference of 3.02 orders of magnitude). Therefore, quantities expressed in quarts (us) require a larger numerical value to represent the same physical amount.

A typical standard grocery store whole milk paper carton measures 1 L, which corresponds to 1056.6882 qt (US) (Quart (US)).

There are approximately 1.05669 US liquid quarts in 1 liter (1 L = 1.05669 qt (US)). A US quart is defined as a quarter of a US gallon, which equals exactly 0.946352946 liters.

To convert liters (V(L)) to US quarts (V(qt (US))), multiply by 1.05669: V(qt (US)) = V(L) × 1.05669 For example, 2 L × 1.05669 = 2.11338 qt (US).

To convert US quarts (V(qt (US))) to liters (V(L)), multiply the quart volume by 0.946353: V(L) = V(qt (US)) × 0.946353 For example, 4 qt (US) × 0.946353 = 3.785412 L (which is exactly 1 US gallon).

A US liquid quart is standard in automotive lubrication (e.g., motor oil sold in quart bottles). Engine displacement or oil pan capacities often require exact conversion between metric liters and customary quarts where 1 qt = 946.353 mL.

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