How to Convert Fluid Ounces to Growlers
A growler is a 64-ounce (half-gallon) container used to transport draft beer from breweries and taprooms. Converting fluid ounces to growlers helps craft beer enthusiasts understand volume equivalents.
Conversion Formula
The formula to convert fluid ounces to growlers is:
This formula divides the number of fluid ounces by 64, which is the standard size of one growler.
What is a Growler?
The growler is an iconic container in craft beer culture:
- Size: 64 fluid ounces (1.89 liters / half gallon)
- Material: Typically glass, ceramic, or stainless steel
- Purpose: Transport fresh draft beer from brewery to home
- Origin: Term dates back to late 1800s when workers carried beer in pails
Growler Sizes
While 64 oz is the standard, other sizes exist:
- Growler: 64 oz (half gallon)
- Howler (Growlette): 32 oz (quarter gallon)
- Mini Growler: 16 oz (pint)
- Crowler: 32 oz canned version
Practical Examples
Example 1: Convert 320 fluid ounces to growlers
Growlers = 320 / 64 = 5 growlers
Example 2: Convert 1,984 fluid ounces (one half-barrel keg) to growlers
Growlers = 1,984 / 64 = 31 growlers
Growler vs Other Beer Containers
How a growler compares to other containers:
- Growler (64 oz) = 5.33 standard beers (12 oz)
- Growler (64 oz) = 4 pints (16 oz)
- Growler (64 oz) = 2.91 bombers (22 oz)
- Growler (64 oz) = 0.5 gallons
Tips for Growler Freshness
To maintain beer quality in a growler:
- Consume quickly: Best within 24-48 hours once opened
- Keep cold: Refrigerate immediately after filling
- Avoid light: Use amber or ceramic growlers to protect from UV
- Clean properly: Rinse thoroughly after each use
- Seal tightly: Ensure cap is secure to maintain carbonation
Environmental Benefits
Growlers offer environmental advantages:
- Reusable containers reduce packaging waste
- Less energy needed compared to bottling/canning
- Support local breweries and reduce transportation
- Glass and steel growlers last for years with proper care