Imperial Fluid Ounces to Milliliters Converter

1 imp fl oz = 28.4130625 mL. Type any value below for the exact milliliters figure.

Measurement system: This conversion uses the Imperial/UK measure, not the US customary measure.

imp fl oz
28.4130625mL

1 imp fl oz = 28.4130625 mL

Conversion summary

1 imp fl oz = 28.4130625 mL

Formula
Milliliter = Imperial Fluid Ounce × 28.4130625
Category
Volume
Units
imp fl oz → mL

1 imp fl oz in other units

Values update with the converter above. Select a row to open that conversion's detailed page.

Metric

  • Cubic meter0.00002841306 m³
  • Liter0.02841306 L
  • Milliliter28.41306 mL
  • Deciliter0.2841306 dL
  • Centiliter2.841306 cL
  • Cubic centimeter28.41306 cm³

US / Imperial

  • Cubic foot0.001003398 ft³
  • Cubic inch1.733871 in³
  • US Gallon0.007505937 gal
  • US Quart0.03002375 qt
  • Imperial Quart0.025 imp qt
  • US Fluid Ounce0.9607599 fl oz
  • US Pint0.0600475 pt
  • Imperial Pint0.05 imp pt
  • Peck0.003225177 pk
  • Bushel0.0008062943 bu
  • Imperial Gallon0.00625 imp gal
  • Barrel0.0001787128 bbl

Kitchen measures

  • Metric Tablespoon (15 mL)1.894204 tbsp
  • Metric Teaspoon (5 mL)5.682612 tsp
  • Turkish Water Glass0.1420653 glass

Traditional and regional

  • Kile0.0007679206 kile
  • Shinik0.003071682 shinik

How do you convert imperial fluid ounces to milliliters?

To convert imperial fluid ounces to milliliters, multiply the number of imperial fluid ounces by 28.4130625. 1 imp fl oz = 28.4131 mL.

Conversion formula

Milliliter = Imperial Fluid Ounce × 28.4130625

Imperial fluid ounces and milliliters

One Imperial fluid ounce equals approximately 28.4131 milliliters. It is slightly smaller than a US fluid ounce, so the two should not be substituted in recipes or product specifications.

Use the original source's country or measurement system to choose the correct fluid ounce. A UK source may use Imperial units, whereas US packaging normally uses US customary units.

Related tools

Imperial Fluid Ounces to milliliters conversion table

Imperial Fluid Ounces (imp fl oz)Milliliters (mL)
1 imp fl oz28.4131 mL
2 imp fl oz56.8261 mL
4 imp fl oz113.652 mL
8 imp fl oz227.305 mL
16 imp fl oz454.609 mL
32 imp fl oz909.218 mL

What is Imperial Fluid Ounce?

Imperial Fluid Ounce is a volume unit used for liquids, containers, storage and technical capacity calculations.

Short history of Imperial Fluid Ounce

The imperial fluid ounce is 1/160 of an imperial gallon, about 28.41 ml — slightly smaller than the US fluid ounce.

Open the Imperial Fluid Ounce unit guide

What is Milliliter?

The milliliter is a small volume unit equal to one thousandth of a liter. It is common in precise liquid measurements.

Short history of Milliliter

It became essential in medicine, laboratory work and small-volume handling where finer resolution is needed.

Open the Milliliter unit guide

Frequently asked questions

What is 1 Imperial Fluid Ounce in Milliliter?

1 imp fl oz = 28.4130625 mL.

How do you convert Imperial Fluid Ounce to Milliliter?

To convert imperial fluid ounces to milliliters, multiply the number of imperial fluid ounces by 28.4130625. 1 imp fl oz = 28.4131 mL.

Frequently asked questions

How many milliliters are in 1 imperial fluid ounce?

1 imp fl oz = 28.4131 mL.

How do you convert imperial fluid ounces to milliliters?

To convert imperial fluid ounces to milliliters, multiply the number of imperial fluid ounces by 28.4130625. 1 imp fl oz = 28.4131 mL.

How many imperial fluid ounces are in 1 milliliter?

1 mL = 0.0351951 imp fl oz.

Sources

  1. BIPM: The International System of Units (SI Brochure)
  2. NIST: Guide to the SI: Units Outside the SI
  3. NIST: Guide to the SI: Volume Conversion Factors
  4. NIST: Guide for the Use of the International System of Units