Quarts to Liters: Every Common Amount

1 quart works out at 0.946 liter. Everything below is that one figure scaled, amount by amount.

Quarts to liters: full chart

Larger amounts follow the same ratio:

Larger amounts follow the same ratio:

The rest of the range:

A few amounts worth knowing by heart

1 quart is 0.946 liter. That is 0.946 multiplied by 1, since 1 quart is 0.946 liter. Read in reverse, 0.946 liter comes back to 1 quart. Scaling a recipe from 1 quart starts at this row rather than at the headline figure. 2 quarts is 1.89 liters.

2 of these makes 1.89, counting from the 1 quart figure of 0.946 liter. A quarter of it comes to 0.473 liter and three quarters to 1.42 liters. 3 quarts is 2.84 liters. That is 0.946 multiplied by 3, since 1 quart is 0.946 liter.

A quarter of it comes to 0.71 liter and three quarters to 2.13 liters. A recipe asking for 3 quarts wants 2.84 liters in the measure, not an estimate of it. 4 quarts is 3.79 liters. Working from 1 quart is 0.946 liter, 4 scales to 3.79.

Three times this is 11.4 liters, and ten times is 37.9 liters. On a shopping list it is the 3.79 liters that decides the packet, not the 4 quarts. 6 quarts is 5.68 liters. That is 0.946 multiplied by 6, since 1 quart is 0.946 liter.

Read in reverse, 5.68 liters comes back to 6 quarts. Anyone halving the batch needs 3 quarts, which is 2.84 liters. 8 quarts is 7.57 liters. Take the 1 quart figure of 0.946 liter and multiply by 8 to get there. The step from here to 9 quarts is 0.946 liter.

12 quarts is 11.4 liters. That is 0.946 multiplied by 12, since 1 quart is 0.946 liter. Add the same again and you are at 22.7 liters; take one away and you are back to 10.4 liters.

A recipe asking for 12 quarts wants 11.4 liters in the measure, not an estimate of it. 16 quarts is 15.1 liters. 16 of these makes 15.1, counting from the 1 quart figure of 0.946 liter. Read in reverse, 15.1 liters comes back to 16 quarts.

Set the measure to 15.1 liters and you have 16 quarts without doing the sum twice.

Doing this one in your head

To go from quarts to liters, multiply by about 0.946. One quart is 0.946 liter. The arithmetic does not change with the amount you start from. Going back the other way, one liter returns 1.06 quarts.

These are defined volumes, so scooping technique does not enter into it.

What this looks like on a real recipe

Say a batch you are making for a crowd asks for 6 quarts, and your equipment is only marked in liters. Take the one-quart figure of 0.946 liter and apply it 6 times: 5.68 liters. That is the number you want on the jug. The ingredient plays no part here at all.

Which country wrote the recipe matters

The word cup does not name one volume. American recipes mean 236.6 ml; Australian and New Zealand ones mean 250 ml, which is 5.7 per cent larger and turns 1 quart into 1 liter instead of 0.946 liter.

What moves this number

Only the measuring system. Within US measures the relationship never moves; across systems it does, which is where recipes from other countries go wrong.

The figure holds for the measure named above and nothing else; a different measure is a different sum.

Going the other way: liters to quarts

One liter comes back to 1.06 quarts, so the two directions are reciprocals of each other: multiply by 0.946 going out and divide by it coming back.

Getting the measurement right

Read a liquid measure at eye level with the cup on the counter. Held up and read from above, the curve of the surface makes it look fuller than it is.

Pour slowly at the end. The last fifth goes in faster than you expect and overshooting is easier than correcting.

Liquid and dry cups hold the same volume but are built for different jobs. A liquid cup has a spout and headroom; a dry cup is filled to the brim and swept level, which is why it has no spout.

Measure over an empty bowl, not over the mixing bowl. An overfilled cup that spills into the batter cannot be taken back out.

Rounding: when it matters

Where a recipe gives an odd figure it usually got there by conversion rather than by choice. Rounding it back to the round number it started as is often closer to the intent than the decimal.

Keep the precision through the arithmetic and round only the answer. Rounding each step and then adding them up moves the total further than any single rounding did.

Two decimal places is more than any kitchen scale can act on. Round to what the equipment in front of you can actually resolve, and the spare digits stop being reassurance and start being noise.

Where this usually goes wrong

Treating fluid ounces and ounces as the same unit. One measures space and one measures weight; they share a name and nothing else. For water they nearly agree, and for everything else they do not.

Filling a large measure part way instead of reaching for the right size. The markings near the bottom of a big jug are the least accurate part of it.

Assuming a tablespoon is the same everywhere. The Australian tablespoon holds 20 ml against 15 ml elsewhere, a third more in every spoonful and enough to show in anything raised or set.

Reading a liquid measure from above. Lift the jug to eye level and the surface curves; the figure read off is consistently more than the jug holds.

Why this one gets looked up

Batch cooking for the freezer is where the arithmetic starts. 1 quart is 0.946 liter, and every later quantity is a multiple of that.

Translating a recipe usually leaves the units alone, so 1 quart is 0.946 liter is the part still left to work out.

Anyone moving a recipe into a smaller tin meets this first. 1 quart is 0.946 liter, and the rest of the scaling follows once that is settled.

Scaling a recipe up for a crowd is the other place it appears. 1 quart is 0.946 liter, and every other quantity follows from getting that one right.

Scaling it up and down

Half of 1 quart is 0.473 liter. Double it and you have 1.89 liters; triple it and you are at 2.84 liters. A batch cut to a quarter needs 0.237 liter.

Multiply or divide the whole line at once rather than converting each step; the answer is the same and there is less to get wrong.

The exact figure and the one worth using

The exact figure for 1 quart is 0.946. Written the way most cooks would write it, 0.9 liter, it is out by 0.046 — about 4.9 per cent. On one batch that is invisible.

Scaled four times the gap is 0.185, which is where it starts to show in anything that has to set.

Quart to liter formula

The quart to litre formula is multiplication: take the quart amount from the recipe and multiply it by 0.946. Use the result as the litre measure for your jug, pan, stockpot, or storage container.

For example, 2 quarts becomes 1.89 litres. That is the kind of result a cook can act on: fill to that mark if your jug has it, or choose the nearest practical vessel size.

The formula matters most with liquids that control texture. Soup, stock, brine, batter, syrup, and custard can change noticeably if the liquid measure is treated loosely. A small mismatch may thin, stiffen, dilute, or over-salt the finished dish.

Use the chart for common amounts, then use the formula for odd amounts. If a recipe calls for a quantity between chart entries, multiply the quart amount instead of guessing between marks on the measuring jug.

Do not swap quarts and litres by eye. They are close enough to feel interchangeable, but not close enough for repeatable cooking. This is especially true when scaling a recipe, where small differences grow with each batch.

Measure liquids in a clear jug on a level surface. Look at the mark at eye level, not from above. A tilted jug or high viewing angle can give you more or less liquid than the formula intended.

For thick ingredients, the formula still gives a volume conversion, but measuring can be messier. Honey, yoghurt, tomato purée, and cream cling to the cup or jug. Scrape the container well if the full amount matters.

Do not use this formula for weight. Quarts and litres measure volume, not mass. Flour, oil, milk, and chopped vegetables can fill the same volume but weigh different amounts, so a litre result is not a gram result.

Also check which quart the recipe assumes. Most modern kitchen use on American recipes means the liquid quart. Older, regional, or commercial instructions can be less clear. If the dish depends on exact hydration, confirm the source before scaling.

In daily cooking, use the formula to convert, then round only to what your measuring tool can show. The chart gives clean kitchen values; the formula handles the gaps.

That keeps the recipe practical without pretending your jug is more precise than it is.

US quarts versus imperial quarts

US quarts and imperial quarts are not the same measure. For cooking, that matters because a pot, jug, tin, or recipe can look familiar while holding a different volume than the chart assumes.

Most modern American recipes mean US liquid quarts. Many online conversion charts also use that meaning unless they say otherwise. Use the chart for American recipes, American cookware, and packaging marked with US customary volume.

Imperial quarts belong to the British imperial system. Older British, Canadian, Australian, and New Zealand recipes may use them, especially in preserving, brewing, dairy, and large-batch cooking.

Do not feed an imperial quart straight into a US-quart chart.

The usual mistake is treating the word “quart” as universal. That makes the litre amount wrong before you start cooking. In a soup, that may only change thickness. In jelly, pickles, brine, or custard, it can spoil the result.

Check the source before converting. If the recipe uses American terms such as skillet, stick of butter, or US customary cups, read quart as US quart.

If it uses imperial pints, old British spelling, or older Commonwealth references, investigate further.

Also check the measuring jug. A jug sold in Britain may show metric markings beside imperial markings. A jug sold in the United States may show US customary markings. The printed word can be small, so read the scale rather than the shape.

Cookware capacity adds another trap. A stockpot advertised in quarts on an American site is usually using US quarts. A vintage British pan marked in quarts may not be. For safe buying, compare litre capacity, not the quart label.

For liquid ingredients, choose one system and stay with it through the recipe. Convert the total liquid amount, then measure in litres or millilitres. Do not switch between a US quart chart and an imperial jug halfway through.

For dry goods sold by volume, be more cautious. Flour, rice, beans, and sugar pack differently, so a quart label is already less reliable than a weight. If the recipe gives grams as well, use the gram amount instead.

If a recipe does not identify the quart type, use context. Country of publication, age of the book, ingredient names, and surrounding units usually answer the question. If the recipe is modern and from a US source, use the US chart.

The practical rule is simple: confirm the quart system first, then convert. The chart is useful only after that decision. If the quart is imperial, find an imperial-to-litre conversion instead of adjusting the US result by guesswork.

Measuring quarts in liters

Use the chart as a measuring aid, not as mental arithmetic. Pick the quart amount from the recipe, read across to litres, then measure that litre amount with the most accurate jug, scale, or container you have.

For liquids, place the jug on a flat surface and read the mark at eye level. The curved surface of the liquid can trick you if you look from above, especially with narrow measuring jugs.

For stock, water, milk, or cream, a small difference rarely matters in soups, stews, braises, and sauces that reduce. Measure neatly, then cook by texture, thickness, and taste rather than chasing a perfect line.

For baking, be stricter. Batters, doughs, custards, and gelatine mixes react badly to extra liquid. If the converted litre amount falls between marks on your jug, use a smaller measuring cup to finish the amount more accurately.

Do not swap dry quarts and liquid measuring by eye. A bowl filled with chopped vegetables, berries, flour, or pasta will not behave like the same space filled with water. Air gaps and packing change the result.

If a recipe asks for a quart container, think about capacity rather than ingredient weight. Choose a pot, tub, jar, or casserole dish that comfortably holds the converted litre amount, with headroom for stirring, boiling, or expansion.

For boiling liquids, leave extra space. A pan that only just holds the measured amount can foam over once pasta, grains, or pulses go in. Use a larger pan if the food needs rolling movement.

For storage, avoid filling jars to the very top. Liquids expand, lids need clearance, and sauces are easier to pour when there is room to shake or stir. The litre conversion tells you capacity; it does not remove practical headspace.

If your jug is marked in millilitres instead of litres, use the same chart value and move carefully between the marks printed on the jug. Do not mix cup marks from another standard unless the recipe also uses that standard.

Label converted recipes once you trust them. Write the litre amount beside the quart amount on your working copy. That prevents repeated conversion, reduces transcription errors, and keeps the next cook from guessing at the measuring jug.

Quart to liter cooking tips

Use the chart before you start cooking, not while a pan is boiling. Write the litre amount beside the recipe line. This prevents guessing under heat, especially with stock, milk, syrup, brine, or oil.

Choose one measuring system for the whole recipe. Switching between quart jugs, litre jugs, and cup measures can stack small errors. Convert the liquid amount, then measure with the tool marked in litres or millilitres.

Check the jug at eye level on a flat surface. A tilted jug makes the meniscus look higher or lower. For clear liquids, read the bottom of the curve, not the splash marks on the side.

For soups, stews, and braises, exact conversion matters less than pot behaviour. Leave headroom for bubbling, stirring, and added vegetables. A pot filled to the lip will spit, reduce unevenly, and make seasoning harder to control.

For baking, custards, jellies, and pickles, measure more strictly. These recipes depend on liquid balance. Too much liquid can weaken a set, loosen a batter, dilute acid, or stretch salt beyond the intended strength.

Convert water, stock, wine, and milk as volume. Do not use the quart-to-litre chart for flour, sugar, rice, butter, or chopped produce. Dry ingredients pack differently, so a volume swap can change the recipe texture.

For thick liquids, scrape the measure clean. Cream, honey, yoghurt, and purée cling to the jug. If the recipe depends on the full amount, rinse the measure with a little recipe liquid and add that back.

If scaling a recipe, convert after scaling, then measure. Scaling in quarts, converting each line, and then adjusting again invites mistakes. Keep the arithmetic in one place and the cooking steps in recipe order.

Use the larger nearest cooking vessel, not the vessel that barely matches the converted volume. Pasta water, jam, and broth need movement. Crowding a pan changes evaporation, sticking, foam, and cooking speed.

For chilled liquids, measure after stirring. Cream, stock with gelatine, and plant milks can separate in storage. Stirring first gives the converted litre amount the same richness and salt level as the original recipe intended.

For hot reductions, mark the starting level if the recipe gives an end point by volume. Conversion helps at the start, but evaporation depends on pan width and heat. The mark shows progress better than time alone.

Label converted notes clearly in your recipe file. Write the litre amount once and cross out the old quart amount if needed. This avoids reading both units later and adding the liquid twice.

Other ways this gets asked

These are the other phrasings that lead here, and the chart handles them all:

For every kitchen figure in one place, see the full conversion chart.

Sources

• NIST Handbook 44, Appendix C: General Tables of Units of Measurement
• King Arthur Baking, Ingredient Weight Chart

Related conversions

• Quarts to Fluid Ounces: Full Conversion Chart
• Convert Shots to Milliliters
• Cups to Milliliters Chart
• Milliliters in a Tablespoon: The Full Chart