Milliliters vs Fluid Ounces

Compare milliliters and fluid ounces side by side, convert in both directions, and see the exact factor - Volume units.

= 0.033814 fl oz

= 29.5735 mL

1 milliliter = 0.033814 fl oz · 1 fluid ounce = 29.5735 mL

The Milliliters is the smaller unit - the same amount has a smaller number when measured in it.

Milliliters (mL)Fluid Ounces (fl oz)Fluid Ounces (fl oz)Milliliters (mL)
10.033814129.5735
20.067628259.147
50.169075147.9
100.33814110295.7
250.84535125739.3
501.6907501,479
1003.38141002,957
2508.45352507,393
50016.90750014,787
100033.8141100029,574

Quick Answer

1 milliliter (mL) = 0.033814 fluid ounces (fl oz), and 1 fluid ounce = 29.5735 milliliters. Fluid Ounces is the larger unit, so the same physical amount needs a bigger number when measured in milliliters. Convert either way with the live tool below or the dedicated converter pages.

Key Facts

  • 1 milliliter (mL) = 0.033814 fl oz
  • 1 fluid ounce (fl oz) = 29.5735 mL
  • Conversion is exact multiplication - no rounding in the factor
  • Table below covers common values in both directions
  • Dedicated converters: mL→fl oz and fl oz→mL pages with live tools

Frequently Asked Questions

Which is bigger, a milliliter or a fluid ounce?

One milliliter equals 0.033814 fl oz, and one fluid ounce equals 29.5735 mL. The unit with the larger factor is the physically bigger one.

How do I convert milliliters to fluid ounces?

Multiply by the factor: value in fl oz = value in mL × 0.033814. Example: 5 mL = 0.16907 fl oz. Reverse: divide by 0.033814 (or multiply by 29.5735).

Why are milliliters and fluid ounces different?

They come from different measurement systems - Milliliters belongs to the metric (SI) world, Fluid Ounces to the US customary world (or another convention). The conversion is exact: 0.033814 fl oz per milliliter, no rounding needed for the factor itself.

Is there a quick way to convert without a calculator?

Memorize the 1-to factor: 1 milliliter ≈ 0.033814 fl oz. Then multiply. For 2 mL that's ≈ 0.067628 fl oz.

Frequently Asked Questions

One milliliter equals 0.033814 fl oz, and one fluid ounce equals 29.5735 mL. The unit with the larger factor is the physically bigger one.

Multiply by the factor: value in fl oz = value in mL × 0.033814. Example: 5 mL = 0.16907 fl oz. Reverse: divide by 0.033814 (or multiply by 29.5735).

They come from different measurement systems - Milliliters belongs to the metric (SI) world, Fluid Ounces to the US customary world (or another convention). The conversion is exact: 0.033814 fl oz per milliliter, no rounding needed for the factor itself.

Memorize the 1-to factor: 1 milliliter ≈ 0.033814 fl oz. Then multiply. For 2 mL that's ≈ 0.067628 fl oz.