Convert US Fluid ounce to Imperial Fluid dram (US fl oz to imp dr)
US Fluid ounce (US fl oz) and Imperial Fluid dram (imp dr) are both units of volume. With the conversion form below, you can effortlessly and accurately convert us fluid ounce to imperial fluid dram. This free online calculator tool makes it simple and easy to perform the conversion from US fl oz unit to the imp dr unit.
US Fluid ounce to Imperial Fluid dram conversion
US Fluid ounce to Imperial Fluid dram Conversion Formula
One US Fluid ounce is equal to 8.326741846 Imperial Fluid dram.
Formula: 1 US fl oz = 8.326741846 imp dr
By using this conversion factor, you can easily convert any volume measurement from us fluid ounce unit to imperial fluid dram unit with precision.
How to Convert US fl oz to imp dr?
Converting from US fl oz to imp dr is a straightforward process. Follow these steps to ensure accurate conversions from us fluid ounce to imperial fluid dram:
- Select the US Fluid ounce Value: Start by determining the us fluid ounce (US fl oz) value you want to convert into imperial fluid dram (imp dr). This is your starting point.
- Multiply by the Conversion Factor: To calculate us fluid ounce to equivalent imperial fluid dram amount, multiply the selected US fl oz value by 8.326741846.
- Illustration of Multiplication:
- 1 US fl oz = 8.326741846 imp dr
- 10 US fl oz = 83.267418463 imp dr
- 100 US fl oz = 832.674184629 imp dr
- Find the Conversion Result: The result of this multiplication is your converted value in imperial fluid dram unit. This represents the same volume but in a different unit.
- Save Your Imperial Fluid dram Value: After converting, remember to save the result. This value represents the volume you initially measured, now expressed in imperial fluid drams.
- Alternative Method – Division: If you prefer not to multiply, you can achieve the same conversion by dividing the us fluid ounce value by 0.12009499255. This alternative method also gives you the correct volume in imperial fluid drams.
- Illustration of Division:
- imp dr = us fl oz ÷ 0.12009499255
What is Volume?
Volume is the measurement of the three-dimensional space occupied by a substance, object, or container. The SI derived unit of volume is the cubic meter (m³), while the liter (L)—defined as exactly 1 cubic decimeter (1 dm³ = 0.001 m³)—is the most widely used metric unit for measuring liquids. The milliliter (mL) is equal to exactly 1 cubic centimeter (1 cm³) and is commonly used for beverages, medicines, laboratory samples, and food products.
Different countries and industries use different volume units depending on local standards and applications. In addition to metric units such as the liter, milliliter, and cubic meter, the US and Imperial systems use units including the fluid ounce (fl oz), cup, pint, quart, and gallon. Since the US gallon (3.785411784 L) and the Imperial gallon (4.54609 L) are different units, accurate conversion is essential for cooking, engineering, manufacturing, scientific research, trade, and international product labeling. Learn more in our complete guide to Volume.
What is US Fluid ounce?
US Fluid Ounce (symbol: US fl oz) is a unit of liquid volume used primarily in the United States. It is part of the US customary measurement system and is commonly used to measure beverages, cooking ingredients, medicines, cosmetics, and packaged consumer products.
The US fluid ounce is defined as 1/128 of a US liquid gallon, making it equivalent to 29.5735295625 milliliters. It differs from the Imperial fluid ounce used in the United Kingdom, which equals approximately 28.4130625 milliliters. Because these units are not interchangeable, accurate conversions are essential for international trade, recipes, product labeling, and scientific applications. This converter follows the official US customary definition, where 128 US fluid ounces = 1 US liquid gallon = 3.785411784 liters. Reference: NIST Guide to the SI – Units Outside the SI.
What is Imperial Fluid dram?
Some US Fluid ounce to Imperial Fluid dram conversions
- 0.1 US fl oz = 0.832674184629 imp dr
- 0.2 US fl oz = 1.665348369 imp dr
- 0.3 US fl oz = 2.498022554 imp dr
- 0.4 US fl oz = 3.330696739 imp dr
- 0.5 US fl oz = 4.163370923 imp dr
- 0.6 US fl oz = 4.996045108 imp dr
- 0.7 US fl oz = 5.828719292 imp dr
- 0.8 US fl oz = 6.661393477 imp dr
- 0.9 US fl oz = 7.494067662 imp dr
- 1 US fl oz = 8.326741846 imp dr
- 2 US fl oz = 16.653483693 imp dr
- 3 US fl oz = 24.980225539 imp dr
- 4 US fl oz = 33.306967385 imp dr
- 5 US fl oz = 41.633709231 imp dr
- 6 US fl oz = 49.960451078 imp dr
- 7 US fl oz = 58.287192924 imp dr
- 8 US fl oz = 66.61393477 imp dr
- 9 US fl oz = 74.940676617 imp dr
- 10 US fl oz = 83.267418463 imp dr
- 20 US fl oz = 166.534836926 imp dr
- 30 US fl oz = 249.802255389 imp dr
- 40 US fl oz = 333.069673852 imp dr
- 50 US fl oz = 416.337092314 imp dr
- 60 US fl oz = 499.604510777 imp dr
- 70 US fl oz = 582.87192924 imp dr
- 80 US fl oz = 666.139347703 imp dr
- 90 US fl oz = 749.406766166 imp dr
- 100 US fl oz = 832.674184629 imp dr

US Fluid ounce to Imperial Fluid dram Examples
Example 1:
Convert 0.2 US Fluid ounce volume to Imperial Fluid dram unit.
Solution:
We know that one US Fluid ounce is equivalent to 8.326741846 Imperial Fluid dram.
Therefore,
0.2 US fl oz = 0.2 x 8.326741846 imp dr.
0.2 US fl oz = 1.665348369 imp dr.
Hence, 0.2 US Fluid ounce is approximately equal to 1.665348369 Imperial Fluid dram.
Example 2:
Convert 4 US Fluid ounce volume to Imperial Fluid dram unit.
Solution:
We know that one US Fluid ounce is equivalent to 8.326741846 Imperial Fluid dram.
Therefore,
4 US fl oz = 4 x 8.326741846 imp dr.
4 US fl oz = 33.306967385 imp dr.
Hence, 4 US Fluid ounce is approximately equal to 33.306967385 Imperial Fluid dram.
Frequently Asked Questions
How do you convert US fl oz to imp dr formula?
The main formula for the conversion of the US fl oz value to imp dr amount is to multiply the US fl oz value by 8.326741846.
There are 8.326741846 Imperial Fluid dram in 1 US Fluid ounce.To convert from US Fluid ounce to Imperial Fluid dram, multiply your figure by 8.326741846 (or divide by 0.12009499255).
What is the relation between US Fluid ounce and Imperial Fluid dram?
The relationship between US Fluid ounce and Imperial Fluid dram is given as follows: 1 US fl oz = 8.326741846 imp dr
What is the value of 1 US Fluid ounce in equivalent Imperial Fluid dram?
1 US Fluid ounce volume is equivalent to 8.326741846 Imperial Fluid dram volume.
What is the us-fluid-ounce in imperial-fluid-dram?
1 us-fluid-ounce equals 8.326741846 imperial-fluid-drams.
What is the value of 15 US Fluid ounce in Imperial Fluid drams?
We know that 1 US Fluid ounce is equal to 8.326741846 Imperial Fluid dram, multiply 15 by 8.326741846 Imperial Fluid dram. Therefore, 15 US Fluid ounce = 15 x 8.326741846 Imperial Fluid dram, 15 US fl oz = 124.901127694 imp dr. Hence, the value of 15 US Fluid ounce in Imperial Fluid dram is 124.901127694 imp dr.
What Volume is 1 imp dr?
The Volume of 1 imp dr spans 0.12009499255 US Fluid ounce.
1 US fl oz how much imperial-fluid-dram?
1 US Fluid ounce (US fl oz) corresponds to 8.326741846 Imperial Fluid dram (imp dr).
US Fluid ounce to Other Unit Conversions
- US fl oz to Attolitre
- US fl oz to Board Foot
- US fl oz to Centiliter
- US fl oz to Cubic Centimeter
- US fl oz to dam³