To convert 5 fluid ounces (fl oz) to milliliters (mL), you use the conversion factor:

1 fluid ounce (US) = 29.5735 mL.

So, for 5 fl oz:

$5 \times 29.5735 = 147.8675 \, \text{mL}$

The capacity of a 5-fl oz jar is approximately 147.87 mL.

Would you like more details or have any questions?

Here are 5 related questions to consider:

1. What is the difference between US fluid ounces and UK fluid ounces?
2. How do you convert other volumes (e.g., cups or gallons) to milliliters?
3. How precise should conversions be for cooking or scientific measurements?
4. What is the capacity of a 10-fl oz jar in mL?
5. How do you measure liquids accurately without conversion charts?

Tip: Always ensure you know the type of fluid ounce (US or UK) you're working with to avoid errors in conversions.