Millilitres to US fluid ounces (ml to fl oz)

1 ml = 0.03381402 fl oz. Multiply millilitres by 0.03381402; the box below does it both ways.

US fluid ounces1.0144 fl oz

30 ml = 1.0144 fl oz · US fluid ounces to millilitres page

How to convert millilitres to US fluid ounces

  1. Take the value in millilitres.
  2. Multiply by 0.03381402 (because 1 ml = 0.03381402 fl oz).
  3. Example: 30 ml × 0.03381402 = 1.0144 fl oz.
  4. Going back: divide by 0.03381402, or multiply by 29.57353.

Where this comes up

These are US fluid ounces (29.5735 ml), a volume, not the weight ounce. Divide ml by 29.57. A 250 ml cup is 8.45 fl oz; a 330 ml can is 11.2 fl oz; a 750 ml bottle is 25.4 fl oz. UK fluid ounces are 28.41 ml, slightly different.

Millilitres to US fluid ounces reference table
mlfl oz
50.16907
100.33814
150.50721
301.0144
501.6907
1003.3814
1505.0721
2006.7628
2408.1154
2508.4535
33011.1586
50016.907
75025.3605
1,00033.814

Questions people ask

How many US fluid ounces are in 1 millilitre?

1 ml = 0.03381402 fl oz. To convert, multiply the millilitre value by 0.03381402.

What is 200 ml in fl oz?

200 ml is 6.7628 fl oz.

How do I convert US fluid ounces back to millilitres?

Divide by 0.03381402, or multiply by 29.57353: 1 fl oz = 29.57353 ml.

US or UK fluid ounces?

US. A US fluid ounce is 29.57 ml; the UK (imperial) fluid ounce is 28.41 ml, about 4% smaller. Recipes and bottle labels from the US use the US ounce.

More volume conversions

US fluid ounces to Millilitres (fl oz to ml) · L to gal · gal to L · tsp to ml · ml to tsp · tbsp to ml · all converters

Factors are the exact international definitions; last checked 2026-10-10.