Fluid ounce (imperial) (imp fl oz)
Exactly 1/160 of an imperial gallon.
What is an imperial fluid ounce?
- Symbol
- imp fl oz
- Quantity
- Volume
- Unit system
- imperial
- Definition
- Exactly 1/160 of an imperial gallon.
- Exact
- Yes, the value is exact by definition
- Source
- Weights and Measures Act 1985 (UK): imperial gallon = 4.54609 liters
Common applications
Used in the United Kingdom for some drink measures and recipes.
Fluid ounce (imperial) in other volume units
- 1 imp fl oz = 28.4130625 mLMilliliter
- 1 imp fl oz = 0.0284130625 LLiter
- 1 imp fl oz = 28.4130625 cm³Cubic centimeter
- 1 imp fl oz = 0.0000284130625 m³Cubic meter
- 1 imp fl oz ≈ 5.764559642 tspTeaspoon (US customary)
- 1 imp fl oz ≈ 1.921519881 tbspTablespoon (US customary)
- 1 imp fl oz ≈ 0.9607599404 fl ozFluid ounce (US)
- 1 imp fl oz ≈ 0.1200949926 cupCup (US customary)
- 1 imp fl oz ≈ 0.06004749628 ptPint (US liquid)
- 1 imp fl oz ≈ 0.03002374814 qtQuart (US liquid)
- 1 imp fl oz ≈ 0.007505937034 galGallon (US liquid)
- 1 imp fl oz = 0.05 imp ptPint (imperial)
- 1 imp fl oz = 0.025 imp qtQuart (imperial)
- 1 imp fl oz = 0.00625 imp galGallon (imperial)
- 1 imp fl oz ≈ 1.733871455 in³Cubic inch
- 1 imp fl oz ≈ 0.001003397833 ft³Cubic foot
- 1 imp fl oz ≈ 0.00003716288269 yd³Cubic yard
Fluid ounce (imperial) quick reference
| Fluid ounce (imperial) | Liter | Gallon (US liquid) | Milliliter |
|---|---|---|---|
| 1 imp fl oz | = 0.0284130625 L | ≈ 0.007505937034 gal | = 28.4130625 mL |
| 10 imp fl oz | = 0.284130625 L | ≈ 0.07505937034 gal | = 284.130625 mL |
| 100 imp fl oz | = 2.84130625 L | ≈ 0.7505937034 gal | = 2841.30625 mL |
| 1000 imp fl oz | = 28.4130625 L | ≈ 7.505937034 gal | = 28413.0625 mL |
Where the imperial fluid ounce fits
The next smaller volume unit is the cubic inch (in³). 1 imp fl oz ≈ 1.733871455 in³, and 1 in³ ≈ 0.576744024 imp fl oz.
The next larger volume unit is the US fluid ounce (fl oz). 1 imp fl oz ≈ 0.9607599404 fl oz, and 1 fl oz ≈ 1.040842731 imp fl oz.
Frequently asked questions
- How many liters are in one imperial fluid ounce?
- One imperial fluid ounce = 0.0284130625 L (liters).
- How many US gallons are in one imperial fluid ounce?
- One imperial fluid ounce ≈ 0.007505937034 gal (US gallons).
- How many milliliters are in one imperial fluid ounce?
- One imperial fluid ounce = 28.4130625 mL (milliliters).