250 milliliters to US fluid ounces
8.45 fl oz
250 mL = 8.45 fl oz.
US fluid ounces
8.45fl oz
250 mL = 8.45 fl oz
In short
How many US fluid ounces is 250 milliliters?
250 mL = 8.45 fl oz. 1 milliliter = 0.033814 US fluid ounces, so the working is 250 × 0.033814 = 8.45.
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 250 × 0.033814 = 8.45
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 | 8 | −0.45351 |
| 1 decimal | 8.5 | +0.04649 |
| 2 decimals | 8.45 | −0.00351 |
Round trip: take 8.45 fl oz back the other way and you land on 249.8963 mL — a drift of 0.1037 mL. That gap is the rounding, not the conversion.
What 250 mL looks like
240 mL
For nutrition labels the FDA defines a cup as 240 mL, against 236.588 mL for the customary cup.
Frequently asked questions
What is 250 milliliters in US fluid ounces?
250 milliliters is 8.45 US fluid ounces. 1 milliliter = 0.033814 US fluid ounces, so the working is 250 × 0.033814 = 8.45.
How accurate is 8.45 fl oz?
Rounding to 8.45 fl oz and converting straight back gives 249.8963 mL, a drift of 0.1037 mL from the 250 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
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