How Much Is 5.58 Fluid Ounces of Milk in Ounces?
5.58 fluid ounces of milk weighs 6.00 oz. This is based on milk having a density of 244g per cup. Because fluid ounces measure volume and ounces measure weight, the result depends on the ingredient, and a different ingredient would give a different result for the same 5.58 fluid ounces.
Formula and Step-by-Step
- Start with 5.58 fluid ounces of milk
- 1 fluid ounce of milk = 30.5g
- 5.58 × 30.5 = 170.19g
- Convert grams to ounces: 170.19 ÷ 28.3495 = 6.00 oz
The same formula works for any amount. Multiply (or divide) by the density, then convert units as needed.
Measuring Tip
For liquids, place your measuring cup on a flat surface and read at eye level. The bottom of the meniscus (the curve at the surface) should align with the measurement line.
Milk at Different Amounts
How milk scales across common fluid ounces measurements. Your amount (5.58 fluid ounces) is highlighted.
For reference, 5.58 fluid ounces of milk (170.19g) is close in weight to a smartphone (175g).
Other Amounts of Milk
| Fluid Ounces | US Ounces | UK Fluid Ounce |
|---|---|---|
| 1 fluid ounce | 1.08 oz | 1.03 oz |
| 2 fluid ounces | 2.15 oz | 2.07 oz |
| 3 fluid ounces | 3.23 oz | 3.10 oz |
| 4 fluid ounces | 4.30 oz | 4.13 oz |
| 5 fluid ounces | 5.38 oz | 5.17 oz |
| 5.58 fluid ounces | 6.00 oz | 5.77 oz |
| 6 fluid ounces | 6.46 oz | 6.20 oz |
| 8 fluid ounces | 8.61 oz | 8.27 oz |
| 10 fluid ounces | 10.76 oz | 10.34 oz |
| 12 fluid ounces | 12.91 oz | 12.40 oz |
| 16 fluid ounces | 17.21 oz | 16.54 oz |
Understanding the Units
What is a Fluid Ounce?
The US fluid ounce (29.574 ml) and the UK fluid ounce (28.413 ml) are different sizes. The UK version is about 4% smaller. This means a UK recipe calling for 8 fl oz gives you 227 ml, while 8 US fl oz gives you 237 ml. The difference is small per ounce but adds up in larger quantities.
What is an Ounce?
Ounces are commonly used in US recipes for cheese, meat, chocolate, and other ingredients sold by weight. Many kitchen scales offer both gram and ounce readings.