Forties to US Fluid Ounces Converter
Convert forties (40 fl oz) (forty) to US fluid ounces (fl oz), with the formula, a conversion table and exact factors.
Change the values and press Calculate to work out your own figures.
Enter an amount of beer, choose its unit and the unit you want. The answer is exact until it is shown, and the same value appears in every other unit.
Show the working
- 1 forty = 40 fl oz
- 1 × 40 = 40 fl oz
How to convert forties to us fluid ounces
1 forty = 40 fl oz, so multiply by 40 to go from forties (40 fl oz) to US fluid ounces. Going the other way, 1 fl oz = 0.025 forty.
fl oz = forty × 40 forty = fl oz × 0.025
Worked example:
1 forty = 40 fl oz 5 × 40 = 200 fl oz
Forties to us fluid ounces table
| Forties | US Fluid Ounces |
|---|---|
| 1 forty | 40 fl oz |
| 2 forty | 80 fl oz |
| 3 forty | 120 fl oz |
| 4 forty | 160 fl oz |
| 5 forty | 200 fl oz |
| 6 forty | 240 fl oz |
| 7 forty | 280 fl oz |
| 8 forty | 320 fl oz |
| 9 forty | 360 fl oz |
| 10 forty | 400 fl oz |
| 15 forty | 600 fl oz |
| 20 forty | 800 fl oz |
| 25 forty | 1,000 fl oz |
| 30 forty | 1,200 fl oz |
| 40 forty | 1,600 fl oz |
| 50 forty | 2,000 fl oz |
| 75 forty | 3,000 fl oz |
| 100 forty | 4,000 fl oz |
| 250 forty | 10,000 fl oz |
| 500 forty | 20,000 fl oz |
| 1000 forty | 40,000 fl oz |
About the units
- Forties (forty)
- Forties (40 fl oz), a US customary unit. Definition: Common US beer package sizes: 12 fl oz can or bottle, 22 fl oz bomber, 40 fl oz 'forty', 64 fl oz growler; kegs as fractions of the 31-gallon barrel.
- US Fluid Ounces (fl oz)
- US fluid ounces, a US customary unit. Definition: NIST Handbook 44 Appendix C (US customary units; US gallon = 231 in³).
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