500 milliliters to US fluid ounces
16.91 fl oz
500 mL = 16.91 fl oz.
US fluid ounces
16.91fl oz
500 mL = 16.91 fl oz
In short
How many US fluid ounces is 500 milliliters?
500 mL = 16.91 fl oz. 1 milliliter = 0.033814 US fluid ounces, so the working is 500 × 0.033814 = 16.91.
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 500 × 0.033814 = 16.91
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 | 17 | +0.09299 |
| 1 decimal | 16.9 | −0.00701 |
| 2 decimals | 16.91 | +0.00299 |
Round trip: take 16.91 fl oz back the other way and you land on 500.0884 mL — a drift of 0.0884 mL. That gap is the rounding, not the conversion.
Frequently asked questions
What is 500 milliliters in US fluid ounces?
500 milliliters is 16.91 US fluid ounces. 1 milliliter = 0.033814 US fluid ounces, so the working is 500 × 0.033814 = 16.91.
How accurate is 16.91 fl oz?
Rounding to 16.91 fl oz and converting straight back gives 500.0884 mL, a drift of 0.0884 mL from the 500 you started with. The factor itself is exact; every bit of that difference comes from the rounding, not the conversion.
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