80 milliliters to US fluid ounces
2.71 fl oz
80 mL = 2.71 fl oz.
US fluid ounces
2.71fl oz
80 mL = 2.71 fl oz
In short
How many US fluid ounces is 80 milliliters?
80 mL = 2.71 fl oz. 1 milliliter = 0.033814 US fluid ounces, so the working is 80 × 0.033814 = 2.71.
The working
The factor below is an exact definition rather than a measurement, so nothing is approximated in the arithmetic. The only rounding on this page happens where a number is displayed.
1 milliliter = 0.033814 US fluid ounces 80 × 0.033814 = 2.71
How much precision do you need?
Each row is the same answer cut at a different number of decimals, with what that choice costs you. Pick the shortest row whose error is smaller than whatever you are measuring with.
| Rounded to | Answer (fl oz) | Off by |
|---|---|---|
| Whole number | 3 | +0.29488 |
| 1 decimal | 2.7 | −0.00512 |
| 2 decimals | 2.71 | +0.00488 |
Round trip: take 2.71 fl oz back the other way and you land on 80.1443 mL — a drift of 0.1443 mL. That gap is the rounding, not the conversion.
Frequently asked questions
What is 80 milliliters in US fluid ounces?
80 milliliters is 2.71 US fluid ounces. 1 milliliter = 0.033814 US fluid ounces, so the working is 80 × 0.033814 = 2.71.
How accurate is 2.71 fl oz?
Rounding to 2.71 fl oz and converting straight back gives 80.1443 mL, a drift of 0.1443 mL from the 80 you started with. The factor itself is exact; every bit of that difference comes from the rounding, not the conversion.
Nearby values
Any value at all
mL to Fluid Ounces Converter
Convert milliliters to US fluid ounces — bottles, cabin-bag limits, and recipes.
Open the mL to fluid ounces converter →