Fluid Ounce (US) to Milliliter
Instantly convert Fluid Ounce (US) (fl oz) to Milliliter (mL). Free online converter with accurate results.
fl oz
Milliliter (mL)
mL
mL = fl oz × 29.5735
Quick Reference: Fluid Ounce (US) to Milliliter
| fl oz | mL |
|---|---|
| 1 | 29.5735 |
| 5 | 147.8676 |
| 10 | 295.7353 |
| 25 | 739.3382 |
| 50 | 1,478.68 |
| 100 | 2,957.35 |
How to Convert Fluid Ounce (US) to Milliliter
Formula:
mL = fl oz × 29.5735
Example:
8 fl oz = 236.5882 mL
- Enter the value in Fluid Ounce (US) you want to convert
- The result is calculated automatically
- Copy your result in Milliliter or continue converting
About Fluid Ounce (US) and Milliliter
Converting fluid ounces to milliliters helps when following American recipes or understanding US product sizes. One US fluid ounce equals exactly 29.5735295625 milliliters.
Common Uses for This Conversion
Recipe conversions, medicine dosing with American instructions, understanding US beverage sizes (coffee shop sizes, etc.), and cosmetic product comparisons.
💡Did You Know?
A US cup is 8 fluid ounces (237 mL), but an imperial cup is 10 fluid ounces (284 mL). American recipes always use US measurements, which explains why British bakers sometimes get different results.
Frequently Asked Questions
1 US fluid ounce = exactly 29.57 ml (29.5735295625 ml to be precise). The UK (imperial) fluid ounce is slightly smaller at 28.41 ml. Most recipes, medicine labels, and beverage sizes from the US use the US fluid ounce. To convert any number of ounces to ml, multiply by 29.57.
8 US fluid ounces = 236.59 ml. This equals exactly 1 US cup — the standard coffee mug size and the basic recipe unit in American cooking. An 8 oz / 236 ml bottle is the typical single-serve water bottle sold worldwide. UK: 8 imperial oz = 227.3 ml.
1.5 US fluid ounces = 44.36 ml. This is the standard jigger pour for spirits in the US — a single cocktail measure. Bartending guides call for 1.5 oz as the base spirit in most classic cocktail recipes (margarita, daiquiri, whiskey sour). In Southeast Asia a standard spirit pour is typically 30 ml or 45 ml, so 1.5 oz sits between those two measures.
No — they differ by about 4%. A US fluid ounce = 29.57 ml; a UK (imperial) fluid ounce = 28.41 ml. Medicine bottles and cosmetics sold in the UK use imperial fl oz, while US products use US fl oz. For medicine dosing this matters: if an American prescription says 'take 1 fl oz', that is 29.57 ml; the UK equivalent would be 28.41 ml. Always check the country of origin on medicine and health product labels.
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