Cubic Millimeter to Fluid Ounce (US) Converter

Volume Converter

40 units available

Decimals:

From

To

3.381402e-5

1 mm³ = 3.381402e-5 fl oz

Formula:

fl oz = mm³ × 0.000033814

With your value: 1 mm³ = 3.381402e-5 fl oz

How big is that?

Everyday references on a logarithmic scale, all expressed in cubic millimeter so you can sanity-check the result.

Your value1.00 mm³

Teaspoon (5.0× your value)5.00 mm³

Espresso shot (30× your value)30.0 mm³

Soda can (3.3e+2× your value)330 mm³

Milk carton (1.0e+3× your value)1.00e+3 mm³

Kitchen bucket (1.0e+4× your value)1.00e+4 mm³

Other Cubic Millimeter to Fluid Ounce (US) conversions

2 mm³ to fl oz 3 mm³ to fl oz 4 mm³ to fl oz 5 mm³ to fl oz 6 mm³ to fl oz 7 mm³ to fl oz 8 mm³ to fl oz

Cubic Millimeter to Fluid Ounce (US) Conversion Table

Cubic Millimeter (mm³)	Fluid Ounce (US) (fl oz)
0.5	1.690701e-5
1	3.381402e-5
2	6.762805e-5
5	0.000169
10	0.000338
15	0.000507
20	0.000676
25	0.000845
50	0.001691
100	0.003381
250	0.008454
500	0.016907
1000	0.033814

Fluid Ounce (US) to Cubic Millimeter Conversion Table

Fluid Ounce (US) (fl oz)	Cubic Millimeter (mm³)
0.5	14,786.764781
1	29,573.529563
2	59,147.059125
5	147,867.647813
10	295,735.295625
15	443,602.943438
20	591,470.59125
25	739,338.239063
50	1,478,676.478125
100	2,957,352.95625
250	7,393,382.390625
500	14,786,764.78125
1000	29,573,529.5625

Where these values come from

Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.

Cubic Millimeter (mm³)

Volume

Exact conversion

Derived from the cubic metre. The litre is exactly 10⁻³ m³; US and imperial capacity units are exact multiples fixed by statute.

Source: NIST Special Publication 811, Guide for the Use of the International System of Units

National Institute of Standards and Technology (US) · Reviewed 2026-07-01

Fluid Ounce (US) (fl oz)

Volume

Exact conversion

Derived from the cubic metre. The litre is exactly 10⁻³ m³; US and imperial capacity units are exact multiples fixed by statute.

Source: NIST Special Publication 811, Guide for the Use of the International System of Units

National Institute of Standards and Technology (US) · Reviewed 2026-07-01

How to Convert Cubic Millimeter to Fluid Ounce (US)

To convert from Cubic Millimeter (mm³) to Fluid Ounce (US) (fl oz), multiply the value by 3.381402e-5.

Formula: fl oz = mm³ × 0.000033814

Reverse: mm³ = fl oz × 29,573.5295625

Step-by-Step Example

Start with your value in Cubic Millimeter. For example: 5 mm³
Multiply by the conversion factor: 5 x 3.381402e-5
The result is: 0.000169 fl oz

About Cubic Millimeter

The cubic millimeter (mm³) is a unit of volume and capacity. One cubic millimeter equals 1.000000 × 10^-6 litres. UnitConvertLab converts it against every other volume unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: volume calculations, engineering and science, education.

About Fluid Ounce (US)

The US fluid ounce equals approximately 29.57 mL. It is commonly used for beverage and liquid measurements.

Common uses: beverages, cooking, cocktails.

Frequently Asked Questions

How many Fluid Ounce (US) are in 1 Cubic Millimeter?

There are exactly 3.381402e-5 Fluid Ounce (US) in 1 Cubic Millimeter. This means the conversion factor from Cubic Millimeter to Fluid Ounce (US) is 3.381402e-5.

What is the formula to convert Cubic Millimeter to Fluid Ounce (US)?

The formula to convert Cubic Millimeter to Fluid Ounce (US) is: fl oz = mm³ × 0.000033814. For example, to convert 10 Cubic Millimeter to Fluid Ounce (US), you would multiply 10 by 3.381402e-5.

What is a Cubic Millimeter?