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Fluid Ounces to Liters Converter
↔ Convert L to fl oz instead

Common Conversions

fl oz L
1 0.02957
2 0.05915
4 0.11829
8 0.23659
12 0.35488
16 0.47318
32 0.94635
33.814 1
64 1.89271
128 3.78541
256 7.57082

Why this conversion matters in chemistry

US-retail liquids ship by the fluid ounce — a 16 fl oz solvent bottle, a 32 fl oz reagent jar, a gallon-sized container at 128 fl oz. Lab calculations want liters. The factor is 0.029574 L per US fl oz, and 33.814 fl oz makes a liter exactly. The conversion comes up most when a household-chemistry recipe or a US-supplied product label has to land in the metric units a stoichiometry calculation needs. The mental shortcut of "a quart is roughly a liter" is off by 5–6%, which matters as soon as the conversion feeds a quantitative result.

Formula

L = fl oz × 0.029574

Worked Examples

33.814 fl oz = 1 L

One liter expressed in fluid ounces — the cleanest reference point in the table.

1 fl oz = 0.02957 L

One US fluid ounce in liters — the per-unit conversion factor written out.

16 fl oz = 0.4732 L

One US pint, expressed in liters — close to but not equal to half a liter.

128 fl oz = 3.785 L

One US gallon — the value behind every metric translation of a gallon-sized chemistry-stockroom container.

Frequently Asked Questions

How do I convert fluid ounces to liters?
Multiply by 0.029574. So 33.814 US fl oz becomes exactly 1 L. The factor is exact through the SI definitions of both units.
How many fl oz make a liter?
About 33.814 US fluid ounces. UK Imperial fluid ounces are slightly smaller, so a liter holds about 35.2 of them — confirm which fl oz convention a recipe uses before converting.
Why does a chemistry student need this conversion?
Dilution and solution-prep calculations need metric volumes to land cleanly in molarity. When a household chemical or US-supplied reagent comes in fluid ounces, the conversion is the first step before any quantitative work begins.
What's the difference between fluid ounces and ounces?
Fluid ounces measure volume — 1 US fl oz is 29.574 mL. Ounces (oz) without the "fluid" qualifier measure mass — 1 oz is 28.35 g for the avoirdupois ounce. The two are unrelated except for water at room temperature, where 1 fl oz of water happens to weigh roughly 1 oz.