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Oz to Liters

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Oz to Liters Converter (Oz to L)

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Result: Liters

Factor1 fl oz = 0.029574 L

The Oz to Liters conversion (Oz to L) multiplies a fluid oz volume by a fixed conversion factor. One US fluid oz (fl oz) equals 0.0295735 liters, and one liter equals 33.814 US fluid oz. One liter equals 35.195 imperial (UK) fluid oz, the imperial oz being the smaller unit.

The fluid oz liter conversion serves 5 contexts: cooking measurement, baking conversion, laboratory volumetric analysis, beverage container labeling, and hydration tracking. The oz liter calculator above carries the exact conversion factor through all 5.

This page delivers 4 components: the oz liter formula, the US and imperial conversion tables, the calculator, and the common conversions.

How Many Liters Are in an Oz?

One US fluid oz holds 0.0295735 liters. One imperial (UK) fluid oz holds 0.0284131 liters, a volume 4% smaller. The liter metric equivalent of an oz depends on the measurement system the source uses.

Read the ratio in reverse with the liters to oz converter and one liter holds 33.814 US fluid oz or 35.195 imperial fluid oz. Use the imperial figure, if the recipe or label is British.

How to Convert Fluid Oz to Liters

To convert fluid oz to liters, multiply the fluid oz value by 0.0295735. The oz to liter conversion takes 3 steps.

  1. Identify the fluid oz value and confirm the measurement system, US or imperial.
  2. Multiply the fluid oz value by 0.0295735 for US oz, or by 0.0284131 for imperial oz.
  3. Round the decimal result: 2 places for cooking, 4 places for laboratory work.

The Oz to Liter Formula

The oz liter formula is one multiplication: liters = fluid oz × 0.0295735. The inverse formula divides, which equals multiplying liters by 33.814.

oz to liter formula: liters = fluid oz × 0.0295735

The oz to liter conversion uses 0.0295735 because the US fluid oz is defined as exactly 29.5735295625 milliliters, and a liter contains 1, 000 milliliters. The definition became exact in 1959, when the inch was fixed at 2.54 centimeters.

Worked Example: Converting 16 Fluid Oz to Liters

16 US fluid oz equal 0.4732 liters. Multiply 16 by the conversion factor 0.0295735, which gives 0.473176 liters, then round to 4 decimal places.

Rounding changes the answer's shape, not its value. A recipe takes 0.47 liters, a laboratory protocol 0.4732 liters. The oz liter math stays identical.

How to Convert Oz to Liters Without a Calculator

To convert fluid oz to liters manually, divide the fluid oz value by 34. 50 fl oz ÷ 34 = 1.47 L, against an exact 1.4787 L, an error of 0.6%. Divide-by-34 is the fastest way to remember the oz liter ratio.

Multiply by 0.03 for the second shortcut: 50 fl oz × 0.03 = 1.5 L, an error of 1.4%. Both methods fail laboratory volumetric analysis.

What Is a Fluid Oz?

A fluid oz (fl oz) is a unit of liquid volume in the US customary and UK imperial systems. The US fluid oz appears in 4 contexts: recipes, nutrition labels, beverage containers, and pharmaceutical dosing.

US Fluid Oz vs Imperial Fluid Oz

No, the US and imperial fluid oz are not the same unit. One US fluid oz is 29.5735 milliliters. One imperial fluid oz is 28.4131 milliliters, 4% smaller.

A smaller unit divides into a liter more times, so a liter holds 33.814 US fluid oz and 35.195 imperial fluid oz. Britain redefined its gallon in 1824 and the United States kept the older wine gallon, splitting every unit across the imperial metric bridge.

US fluid oz vs imperial fluid oz to liter comparison
US fluid oz compared with the imperial fluid oz
MeasureUS fluid ozImperial (UK) fluid oz
Milliliters per fluid oz29.5735 mL28.4131 mL
Liters per fluid oz0.0295735 L0.0284131 L
Fluid oz per liter33.814 fl oz35.195 fl oz
Fluid oz per pint16 fl oz20 fl oz
Used byUnited StatesUnited Kingdom, older Commonwealth

Fluid Oz vs Oz (Volume vs Weight)

No, a fluid oz is not the same as an oz. A fluid oz measures volume. An oz measures weight, and one avoirdupois oz equals 28.35 grams of mass.

The 2 units coincide only near the density of water. One liter of water weighs 35.27 weight-oz, honey about 50, vegetable oil about 32.5. Weigh solids on a kitchen scale.

What Is a Liter?

A liter (L) is the metric unit of liquid volume, defined as 1, 000 milliliters or one cubic decimeter. The International System of Units (SI) accepts it alongside the cubic meter.

The liter is also spelled litre in the United Kingdom, Australia, and Canada. Both spellings name the identical volume. One liter equals 33.814 US fluid oz, 4.227 US cups, and 0.264 US gallons.

Fluid Oz (US) to Liter Conversion Table

Every value multiplies the fluid oz figure by the exact conversion factor 0.0295735 and rounds the decimal result to 4 places.

Conversion table from 1 to 100 US fluid oz to liters
Fluid oz (US)Liters
10.0296
20.0591
30.0887
40.1183
50.1479
60.1774
70.2070
80.2366
90.2662
100.2957
110.3253
120.3549
130.3845
140.4140
150.4436
160.4732
170.5028
180.5323
190.5619
200.5915
210.6210
220.6506
230.6802
240.7098
250.7393
260.7689
270.7985
280.8281
290.8576
300.8872
310.9168
320.9464
330.9759
341.0055
351.0351
361.0646
371.0942
381.1238
391.1534
401.1829
411.2125
421.2421
431.2717
441.3012
451.3308
461.3604
471.3900
481.4195
491.4491
501.4787
511.5083
521.5378
531.5674
541.5970
551.6265
561.6561
571.6857
581.7153
591.7448
601.7744
611.8040
621.8336
631.8631
641.8927
651.9223
661.9519
671.9814
682.0110
692.0406
702.0701
712.0997
722.1293
732.1589
742.1884
752.2180
762.2476
772.2772
782.3067
792.3363
802.3659
812.3955
822.4250
832.4546
842.4842
852.5138
862.5433
872.5729
882.6025
892.6320
902.6616
912.6912
922.7208
932.7503
942.7799
952.8095
962.8391
972.8686
982.8982
992.9278
1002.9574
oz to liters conversion chart

Imperial (UK) Fluid Oz to Liter Conversion Table

Every value multiplies the imperial fluid oz figure by 0.0284131. Use this table for British recipes, older Commonwealth cookbooks, and UK product labels.

Conversion table from 1 to 100 imperial fluid oz to liters
Fluid oz (UK)Liters
10.0284
20.0568
30.0852
40.1137
50.1421
60.1705
70.1989
80.2273
90.2557
100.2841
110.3125
120.3410
130.3694
140.3978
150.4262
160.4546
170.4830
180.5114
190.5398
200.5683
210.5967
220.6251
230.6535
240.6819
250.7103
260.7387
270.7672
280.7956
290.8240
300.8524
310.8808
320.9092
330.9376
340.9660
350.9945
361.0229
371.0513
381.0797
391.1081
401.1365
411.1649
421.1933
431.2218
441.2502
451.2786
461.3070
471.3354
481.3638
491.3922
501.4207
511.4491
521.4775
531.5059
541.5343
551.5627
561.5911
571.6195
581.6480
591.6764
601.7048
611.7332
621.7616
631.7900
641.8184
651.8468
661.8753
671.9037
681.9321
691.9605
701.9889
712.0173
722.0457
732.0742
742.1026
752.1310
762.1594
772.1878
782.2162
792.2446
802.2730
812.3015
822.3299
832.3583
842.3867
852.4151
862.4435
872.4719
882.5003
892.5288
902.5572
912.5856
922.6140
932.6424
942.6708
952.6992
962.7277
972.7561
982.7845
992.8129
1002.8413

Common Oz to Liter Conversions

Water Bottle and Beverage Container Sizes

The oz liter conversion for water volume measurement answers most container questions directly. A 16.9 fl oz water bottle holds 0.5 L, because 16.9 fl oz is the US label for a 500 mL bottle. There are 6 common bottle sizes, including 12 fl oz, 16.9 fl oz, and 32 fl oz.

A 12 fl oz soda can holds 0.3549 L, a 20 fl oz sports drink 0.5915 L, and a 64 fl oz water jug 1.8927 L. Reverse it with the liters to oz converter: a 2 L soda bottle holds 67.628 fl oz.

common bottle sizes in fluid oz and liters

Cooking and Baking Conversions

The step by step oz to liter conversion for recipes multiplies each liquid quantity by 0.0295735 before scaling. 8 fl oz of milk is 0.2366 L, 16 fl oz of stock is 0.4732 L, and 4 fl oz of baby formula water is 0.1183 L.

Oz liter conversion in cooking versus science differs in precision, not in method. A baking recipe adjustment tolerates 2 decimal places.

Laboratory and Scientific Conversions

Oz liter conversion for chemistry experiments keeps 4 or more significant figures. A precise oz to liter conversion using National Institute of Standards and Technology (NIST) standards multiplies by the full factor 0.0295735295625, then rounds once.

Laboratory volumetric analysis measures solutions in graduated cylinders, pipettes, and volumetric flasks marked in milliliters. Oz to liter conversion for pharmaceutical dosing accuracy follows one rule: convert once, then work in metric.

Does the Conversion Change for Milk, Oil, or Other Liquids?

No, the oz to liter conversion does not change for milk, oil, or juice. Volume is volume, and the conversion factor 0.0295735 stays fixed regardless of density. 8 fl oz of oil and 8 fl oz of water both occupy 0.2366 L.

Density matters only for weight-based oz, where 8 weight-oz of oil and 8 weight-oz of water occupy different volumes. A recipe listing oz of a solid measures mass.

Frequently asked questions

33.814 US fluid oz are in a liter. A liter holds 35.195 imperial (UK) fluid oz, because the imperial fluid oz is 4% smaller than the US fluid oz.

1 US fluid oz is 0.0295735 liters, which rounds to 0.03 L for practical kitchen use. 1 imperial fluid oz is 0.0284131 liters.

The formula is liters = fluid oz × 0.0295735. The inverse formula is fluid oz = liters × 33.814.

No. A fluid oz measures volume, and an oz measures weight. One avoirdupois oz equals 28.35 grams of mass, and the 2 units coincide only for liquids near the density of water.

No. 1 US fluid oz is 29.5735 mL, and 1 imperial fluid oz is 28.4131 mL. The liter figures differ for the same reason: a liter holds 33.814 US fluid oz and 35.195 imperial fluid oz.

No. Volume is volume, and the conversion factor stays 0.0295735 regardless of density. Density changes the answer only for weight-based oz, where a fixed mass of oil occupies more volume than the same mass of water.

0.5 liters. The 16.9 fl oz figure is the US label for a 500 mL bottle, rounded to one decimal place.

0.9464 liters. 32 US fluid oz equal one US quart, the size of a standard gym water bottle.

1.8927 liters. 64 fl oz (1.89 L) is the daily total of the eight-glasses-a-day hydration guideline.

Drink 64 to 96 fl oz (1.9 to 2.8 L) of fluids per day. The US National Academies of Sciences, Engineering, and Medicine set an adequate total water intake of 2.7 L for women and 3.7 L for men, counting water from food and every beverage.

Divide the fluid oz value by 34 for a close estimate, with an error of 0.6%. Multiply by 0.03 for a faster estimate, with an error of 1.4%.

67.628 US fluid oz. A 2 L bottle holds 70.390 imperial fluid oz.

Who builds this converter

Oz To Liter is built and maintained by a two-person team — a recipe developer who spent eight years testing measurements for print publications, and a software engineer with a physics background who ties every conversion factor to its legal definition. Between them they own every number on this site.

There is no sponsored content, no affiliate links, and nothing on the page competing with your answer. Every factor traces to a primary source — NIST Handbook 44, the UK Weights and Measures Act, and the SI — and when a reader reports an error, the correction ships within days.

More about the team and our accuracy policy →

References

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Oz to Liters. "Oz to Liters Converter (Oz to L), Free 2026 Calculator". https://www.oztoliters.com/ (updated 2026-07-14).

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