4 US fluid ounces to milliliters
118.29 mL
4 fl oz = 118.29 mL.
milliliters
118.29mL
4 fl oz = 118.29 mL
In short
How many milliliters is 4 US fluid ounces?
4 fl oz = 118.29 mL. 1 US fluid ounce = 29.573530 milliliters, so the working is 4 × 29.573530 = 118.29.
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 US fluid ounce = 29.573530 milliliters 4 × 29.573530 = 118.29
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 (mL) | Off by |
|---|---|---|
| Whole number | 118 | −0.29412 |
| 1 decimal | 118.3 | +0.00588 |
| 2 decimals | 118.29 | −0.00412 |
Round trip: take 118.29 mL back the other way and you land on 3.9999 fl oz — a drift of 0.0001 fl oz. That gap is the rounding, not the conversion.
Frequently asked questions
What is 4 US fluid ounces in milliliters?
4 US fluid ounces is 118.29 milliliters. 1 US fluid ounce = 29.573530 milliliters, so the working is 4 × 29.573530 = 118.29.
How accurate is 118.29 mL?
Rounding to 118.29 mL and converting straight back gives 3.9999 fl oz, a drift of 0.0001 fl oz from the 4 you started with. The factor itself is exact; every bit of that difference comes from the rounding, not the conversion.
Nearby values
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Fluid Ounces to mL Converter
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