Quarts to Litres Converter — Convert US qt to L Instantly
Convert qt to l as you type.
Volume Converter – Instant Metric & Cooking ConversionsReference for one unit; displayed values may be rounded.
Quarts
Use a dot or comma for decimals, without thousands separators.
Liters
Display rounding does not improve the accuracy of your original measurement. Very large or very small results use scientific notation.
Method and sourceqt to L Conversion Formula
To convert US liquid quarts to litres, multiply the quart value by 0.946353. One US quart is one-quarter of a 3.78541-litre gallon, or roughly 946 millilitres. The old imperial quart — the one in pre-metric Australian and British manuals — is larger at about 1.14 litres.
Quarts and Liters Explained
Quarts (qt)
The US liquid quart (qt) is one-quarter of a US gallon — 0.946353 litres, roughly 946 millilitres, or two US pints. It is the unit of the American garage and paint aisle: engine oil comes in quart bottles, crankcase capacities are published in quarts, and paint sells in quart and gallon cans. Four quarts make one US gallon, which makes the quart the natural subdivision for workshop fluids in imported manuals and specifications.
Where it is used: Standard retail unit in the United States for motor oil, paint and small fluid containers; also appears in imported engine and equipment specifications.
Origin: From Latin quartus, 'a fourth', as the quarter-gallon of English measure; kept by the US at 57.75 cubic inches while Britain later enlarged the imperial quart — the version Australia used before metrication in the 1970s.
Liters (l)
The litre (L) is the metric volume unit — one cubic decimetre, fractionally larger than a US quart (1 qt = 0.946353 L). Right across Australia, oil bottles, coolant jugs, solvent drums and paint tins are sold in litres, and service manuals publish sump capacities accordingly. One litre of water weighs about one kilogram, linking volume to mass in the mechanic's world of fluids and fill marks.
Where it is used: Universal fluid measure in Australia and everywhere outside the US customary zone — lubricants, fuels, coolants, paints and service documentation.
Origin: Defined in Revolutionary France via a kilogram of water and settled in 1964 as exactly 1,000 cubic centimetres. Australia adopted it nationwide during metrication in the 1970s.
US Quarts to Litres Conversion Table
Select a value to use it in the calculator.
| Quarts (qt) | Liters (l) |
|---|---|
| 0.4731765 l | |
| 0.946353 l | |
| 1.4195295 l | |
| 1.892706 l | |
| 2.839059 l | |
| 3.785412 l | |
| 4.731765 l | |
| 5.678118 l | |
| 7.570824 l | |
| 9.46353 l | |
| 11.356236 l | |
| 15.141648 l | |
| 18.92706 l |
Liters to Quarts Conversion Table
| Liters (l) | Quarts (qt) |
|---|---|
| 0.5 l | 0.5283440746 qt |
| 1 l | 1.0566881491 qt |
| 2 l | 2.1133762983 qt |
| 3 l | 3.1700644474 qt |
| 5 l | 5.2834407457 qt |
| 10 l | 10.5668814914 qt |
| 20 l | 21.1337629827 qt |
| 50 l | 52.8344074568 qt |
| 100 l | 105.6688149137 qt |
Quarts to Liters in Everyday Objects
Common real-world examples that make Quarts and Liters easy to picture at a glance.
| Quarts (qt) | Liters (l) | |
|---|---|---|
| One-litre bottle of engine oil | 1 qt | 0.946353 l |
| Two-litre bottle of milk | 2 qt | 1.892706 l |
| Four-litre jug of water | 4 qt | 3.785412 l |
| Five-litre oil drum | 5 qt | 4.731765 l |
| Oil drain pan | 6 qt | 5.678118 l |
| Large garden watering can | 8 qt | 7.570824 l |
When You Need Quarts to Liters Conversions
Doing a DIY oil change
Your owner's manual says the sump takes 5 qt with a new filter, but oil on Aussie shelves comes in 1 L and 5 L bottles. Converting 5 qt to 4.73 L tells you a 5 L container fills to the mark with 0.27 L left for the periodic top-up between services.
Estimating paint for a room
American paint calculators return quarts per coat, while Australian paint is tinned in litres. If the calculator says 3 qt, that is 2.84 L of finish — so two 1.5 L tins cover the room with margin for brushing out instead of a risky half-tin shortfall.
Servicing lawn and garden engines
Mower and generator manuals list oil capacity in quarts — often 0.63 qt to 0.85 qt for small four-strokes — while the oil bottle from the hardware store is 1 L. Converting first prevents the classic overfill that floods the air filter, the last thing you want before mowing on a 35°C summer arvo.
Filling a parts washer
Benchtop parts washers specify 4 qt to 8 qt of solvent, and solvent is delivered in 5 L and 20 L drums. An 8 qt tank takes 7.57 L, so converting the spec against drum sizes tells you one 20 L drum refills the washer twice with rinse to spare.
Related Volume Conversions
How to Use
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1
Enter Your Volume in Quarts
Type the quart value — for example, enter 5 for a typical 4WD oil change, 4.5 for a compact engine, or 8 for a drain pan capacity
-
2
See the Litre Equivalent
The result appears instantly: 4.5 qt = 4.26 L, so you know exactly how much oil to grab from the servo or parts store in metric packaging
-
3
Copy or Reverse
Copy the result or click Swap to convert litres back to US quarts
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4
Check the Table
Cross-check common shed figures against the table — 6 qt = 5.68 L for a big 4WD, 2 qt = 1.89 L for the mower
Why Use Be Converter?
Instant Conversion
Get precise quart to litre results in real time as you type — handy with gloves on halfway through an oil change under the ute
Exact US Quart Definition
Uses the exact US liquid quart of 0.946353 L (roughly 946 mL) — and flags the ~1.14 L imperial quart lurking in older British and pre-metric manuals
Handy Reference Table
Workshop values at a glance — 4 qt = 3.79 L, the classic 5 qt oil change = 4.73 L, and 8 qt = 7.57 L
Swap with One Click
Flip the pair when buying supplies — a 5 L drum of oil covers a 5.28 qt sump with a top-up to spare
Free & Unlimited
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Frequently Asked Questions
How many litres are in 1 US quart?
How do I convert quarts to litres?
What is 5 quarts in litres?
Is a quart basically the same as a litre?
Is a US quart the same as an imperial quart?
How many litres is a 6-quart oil change?
How many litres is a quart of paint?
How many quarts are in 10 litres?
About Our Quarts to Litres Converter
Our free online quarts to litres converter gives instant, accurate volume conversions for the shed, garage and workshop. Imported American vehicles, tools and paint guides still specify quarts — oil capacity, coolant drains, sprayer tanks — while oil, solvent and paint sold right across Australia come in litre bottles and cans. This converter applies the exact US liquid quart of 0.946353 litres (one-quarter of a US gallon, roughly 946 mL) and distinguishes it from the larger old imperial quart, so a pre-decimal manual dug out of the back of the shed can't lead you astray. Whether you're changing oil on the ute, thinning paint for the spray gun or filling a parts washer, qt to L conversion keeps the fill mark and the purchase in agreement.
Expert Tips for qt to L Conversion
Workshop anchors: 1 qt = 0.946353 L, 4 qt (1 US gallon) = 3.79 L, 5 qt = 4.73 L, and 8 qt = 7.57 L. Most dipsticks and imported manuals quote one of these.
Oil-change maths: a 5.0 L engine is a 5.28 qt sump. Filling only 5 US qt leaves you 0.27 L short — enough to drop the level below the crosshatch on the dipstick of some engines.
Paint planning: coverage tracks volume, so 1 qt (0.946353 L) covers roughly the same 9 square metres as a metric 1 L can, within a few percent. Convert before comparing prices per tin at the big green shed.
Small engines (mowers, generators, whipper snippers) often take 0.6-0.8 L of oil, which is 0.63-0.85 qt. Buy oil in litre bottles and measure carefully — quart-sized containers invite overfilling these little sumps.
Knapsack sprayers mix herbicide per litre or per gallon depending on the label. A 4 qt tank is 3.79 L — mixing 'per litre' rates in a gallon-calibrated tank over-concentrates by about 5.4%.
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