| 1 | A | B | C | D |
| --- | --- | --- | --- | --- |
| 2 | Fluid ounce - Definitions and equivalences |  |  |  |
| 3 | 1 imperial fluid ounce | = | ​1⁄160 | imperial gallon |
| 4 | - | = | ​1⁄40 | imperial quart |
| 5 | - | = | ​1⁄20 | imperial pint |
| 6 | - | = | ​1⁄10 | imperial cup |
| 7 | - | = | ​1⁄5 | imperial gill |
| 8 | - | = | 8 | imperial fluid drams |
| 9 | - | = | 28.4130625 | millilitres |
| 10 | - | ≈ | 1.733871455 | cubic inches |
| 11 | - | ≈ | 0.960759940 | US fluid ounces |
| 12 | - | ≈ | the volume of 1 avoirdupois ounce of water | the volume of 1 avoirdupois ounce of water |

Question: How much is an imperial fluid ounce in ml?
Answer: The imperial fluid ounce is exactly 28.4130625 ml.