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Convert US Fluid Ounces to US Gallons

Seamlessly convert values from US Fluid Ounces (fl oz) to US Gallons (gal). Includes the exact formula, a quick reference table, and real-world context.

Conversion Formula

US Gallons = US Fluid Ounces × 0.007813

US Fluid Ounces to US Gallons Conversion Table

US Fluid Ounces (fl oz)US Gallons (gal)
1 fl oz7.8134e-3 gal
2 fl oz0.015627 gal
5 fl oz0.039067 gal
10 fl oz0.078134 gal
15 fl oz0.1172 gal
20 fl oz0.156267 gal
25 fl oz0.195334 gal
50 fl oz0.390668 gal
100 fl oz0.781336 gal
500 fl oz3.9067 gal

About US Fluid Ounces

The US fluid ounce is a unit of volume equal to approximately 29.57 milliliters. It is commonly used in the United States for beverage servings, perfume bottles, and small liquid measurements.

Real-World Examples

  • A standard shot glass holds 1.5 fluid ounces
  • A tall Starbucks coffee is 12 fluid ounces
  • Most shampoo bottles contain 12 to 16 fluid ounces

💡 Did you know? A fluid ounce of water does not weigh exactly one ounce. It weighs about 1.04 avoirdupois ounces, making the 'fluid' distinction important.

About US Gallons

The US gallon is an imperial unit of volume equal to 128 fluid ounces or approximately 3.785 liters. It is used primarily in the United States for fuel pricing, milk packaging, and large volume liquid measurements.

Real-World Examples

  • The average American uses about 80 to 100 gallons of water per day
  • A standard gas tank for a sedan holds 12 to 16 gallons
  • A residential swimming pool holds 15,000 to 30,000 gallons

💡 Did you know? The US gallon and the imperial (UK) gallon are different sizes. A US gallon is 3.785 liters, while an imperial gallon is 4.546 liters, making it about 20% larger.

Frequently Asked Questions

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