Volume

Convert fluid ounces to gallons

1 us fluid ounce equals 0.0078125 us gallons. Enter a value below to convert instantly.

1 fl oz (US)
0.0078125 gal (US)

Multiply the number of us fluid ounces by 0.0078125 to get us gallons. How this is calculated

Copy link puts your number after the #, which browsers never send to a server — but the link itself carries it, so anyone you send it to sees the value. Save keeps the unit pair in this browser only; clear it any time from your saved list.

Need the other direction? Convert us gallon to us fluid ounce →

Formula

Multiply the number of us fluid ounces by 0.0078125 to get us gallons.

Step by step

  1. Start with 1 fl oz (US).
  2. Multiply by the conversion factor 0.0078125.
  3. 1 × 0.0078125 = 0.0078125 gal (US).

US Fluid Ounces to US Gallons conversion table

Conversion table from US Fluid Ounces to US Gallons
US Fluid Ounces (fl oz (US)) US Gallons (gal (US))
1 0.0078125
2 0.015625
3 0.0234375
5 0.0390625
10 0.078125
20 0.15625
50 0.390625
100 0.78125
500 3.90625
1,000 7.8125

Convert US Fluid Ounce to other volume units

1 fl oz (US) expressed in every other volume unit on this site.

  • Liter L 0.02957353
  • Milliliter mL 29.57353
  • Centiliter cL 2.957353
  • Deciliter dL 0.2957353
  • Dekaliter daL 0.002957353
  • Hectoliter hL 0.0002957353
  • Kiloliter kL 0.00002957353
  • Microliter µL 29,573.53
  • Nanoliter nL 29,573,530
  • Picoliter pL 29,573,530,000
  • Femtoliter fL 29,573,530,000,000
  • Attoliter aL 2.957353e+16
  • Megaliter ML 2.957353e-8
  • Gigaliter GL 2.957353e-11
  • Petaliter PL 2.957353e-17
  • Exaliter EL 2.957353e-20
  • Dekastere dast 0.000002957353
  • Metric Cup cup (metric) 0.11829412
  • Metric Tablespoon tbsp (metric) 1.9715686
  • Metric Teaspoon tsp (metric) 5.9147059
  • Cubic Meter 0.00002957353
  • Cubic Kilometer km³ 2.957353e-14
  • Cubic Centimeter cm³ 29.57353
  • Cubic Millimeter mm³ 29,573.53
  • Drop gtt 591.47059
  • Cubic Mile mi³ 7.0950671e-12
  • Cubic Yard yd³ 0.000038680716
  • Cubic Foot ft³ 0.0010443793
  • Cubic Inch in³ 1.8046875
  • Hundred Cubic Feet ccf 0.000010443793
  • Ton Register RT 0.000010443793
  • Acre-foot ac·ft 2.3975651e-8
  • Acre-inch ac·in 2.8770781e-7
  • Cord cord 0.0000081592136
  • Cord Foot cord ft 0.000065273709
  • Board Foot bf 0.012532552
  • US Gallon gal (US) 0.0078125
  • US Quart qt (US) 0.03125
  • US Pint pt (US) 0.0625
  • US Cup cup (US) 0.125
  • US Gill gi (US) 0.25
  • US Tablespoon tbsp (US) 2
  • US Teaspoon tsp (US) 6
  • US Dessertspoon dstspn (US) 3
  • US Fluid Dram fl dr (US) 8
  • US Minim min (US) 480
  • US Barrel (oil) bbl (oil) 0.0001860119
  • US Barrel (liquid) bbl (liq) 0.00024801587
  • US Barrel (federal, beer) bbl (beer) 0.00025201613
  • US Hogshead hhd (US) 0.00012400794
  • Tun tun 0.000031001984
  • US Bushel bu (US) 0.00083922559
  • US Peck pk (US) 0.0033569024
  • US Dry Gallon gal (US dry) 0.0067138047
  • US Dry Quart qt (US dry) 0.026855219
  • US Dry Pint pt (US dry) 0.053710438
  • US Barrel (dry) bbl (dry) 0.00025576637
  • Imperial Gallon gal (UK) 0.0065052671
  • Imperial Quart qt (UK) 0.026021068
  • Imperial Pint pt (UK) 0.052042137
  • Imperial Cup cup (UK) 0.10408427
  • Imperial Gill gi (UK) 0.20816855
  • Imperial Fluid Ounce fl oz (UK) 1.0408427
  • Imperial Tablespoon tbsp (UK) 1.6653484
  • Imperial Teaspoon tsp (UK) 4.9960451
  • Imperial Fluid Dram fl dr (UK) 8.3267418
  • Imperial Minim min (UK) 499.60451
  • Imperial Bushel bu (UK) 0.00081315838
  • Imperial Peck pk (UK) 0.0032526335
  • Imperial Dessertspoon dstspn (UK) 2.4980226
  • Imperial Barrel bbl (UK) 0.00018070186
  • Acre-foot (US survey) ac·ft (US) 2.3975507e-8
  • Cor (Biblical) cor 0.00013442513
  • Homer (Biblical) homer 0.00013442513
  • Bath (Biblical) bath 0.0013442513
  • Hin (Biblical) hin 0.0080655081
  • Cab (Biblical) cab 0.024196524
  • Log (Biblical) log 0.096786097
  • Doe 0.016394156
  • Hop 0.16394156
  • Jak 1.6394156
  • Mal 0.0016394156
  • Seom 0.00016394156
  • Earth's Volume V⊕ 2.7307045e-26

About the us fluid ounce

The us fluid ounce (fl oz (US)) is a US unit of volume.

About the us gallon

The us gallon (gal (US)) is a US unit of volume.

Where this conversion is used

Converting us fluid ounces to us gallons comes up when cooking recipes, fuel, beverages, and container capacity. US and Imperial liquid measures differ, so a US cup or gallon is not the same size as its UK counterpart.

Related conversions

Frequently asked questions

How many us gallons are in a us fluid ounce?

One us fluid ounce equals 0.0078125 us gallons.

How do you convert us fluid ounces to us gallons?

Multiply the number of us fluid ounces by 0.0078125 to get us gallons.

What is 1 us gallon in us fluid ounces?

One us gallon equals 128 us fluid ounces.

When would I convert us fluid ounces to us gallons?

This conversion is common when cooking recipes, fuel, beverages, and container capacity.

Conversion factors are based on internationally agreed unit definitions. See our methodology and sources for details on how these values are verified.