Convert US Fluid Ounce to US Gill
1 us fluid ounce = 0.25 us gill (gi). For example, 10 us fluid ounce = 2.5 us gill and 100 us fluid ounce = 25 us gill. Type any value below to convert us fluid ounce to us gill both ways — it runs entirely in your browser.
Quick answer: US Fluid Ounce to US Gill
1 US Fluid Ounce = 0.25US Gill (US fl oz → gi). To convert us fluid ounce to us gill, multiply by 0.25. To convert us gill to us fluid ounce, multiply by 4. The converter at the top does this instantly and both ways; the sections below give the formula, worked examples, a full conversion chart and answers to the most common us fluid ounce-to-us gill questions.
How to convert US Fluid Ounce to US Gill
To convert us fluid ounce to us gill, multiply the number of us fluid ounce by the conversion factor 0.25, because 1 US fl oz = 0.25gi. The conversion is linear, so the same factor works for any value — whole numbers, decimals or fractions. For the reverse direction, 1 gi = 4US fl oz, so you divide by 0.25 (or multiply by 4) to turn us gill back into us fluid ounce.
gi = US fl oz × 0.25 ·
US fl oz = gi × 4
- Write down the value you want to convert, in us fluid ounce.
- Multiply it by 0.25.
- The result is the same area/length/quantity expressed in us gill.
US Fluid Ounce to US Gill — worked examples
Each row shows the exact arithmetic so you can follow the conversion step by step. For example, 5us fluid ounce is 1.25us gill because 5 US fl oz × 0.25 = 1.25 gi.
| US Fluid Ounce | Calculation | US Gill |
|---|---|---|
| 1US fl oz | 1 US fl oz × 0.25 = 0.25 gi | 0.25gi |
| 2US fl oz | 2 US fl oz × 0.25 = 0.5 gi | 0.5gi |
| 3US fl oz | 3 US fl oz × 0.25 = 0.75 gi | 0.75gi |
| 5US fl oz | 5 US fl oz × 0.25 = 1.25 gi | 1.25gi |
| 7US fl oz | 7 US fl oz × 0.25 = 1.75 gi | 1.75gi |
| 10US fl oz | 10 US fl oz × 0.25 = 2.5 gi | 2.5gi |
| 12US fl oz | 12 US fl oz × 0.25 = 3 gi | 3gi |
| 15US fl oz | 15 US fl oz × 0.25 = 3.75 gi | 3.75gi |
| 20US fl oz | 20 US fl oz × 0.25 = 5 gi | 5gi |
| 25US fl oz | 25 US fl oz × 0.25 = 6.25 gi | 6.25gi |
| 50US fl oz | 50 US fl oz × 0.25 = 12.5 gi | 12.5gi |
| 100US fl oz | 100 US fl oz × 0.25 = 25 gi | 25gi |
Common US Fluid Ounce to US Gill conversions
These are the us fluid ounce-to-us gill values people look up most often. Every figure is computed from the exact factor, so you can rely on them for quick reference:
- 1 us fluid ounce = 0.25 us gill
- 2 us fluid ounce = 0.5 us gill
- 2.5 us fluid ounce = 0.625 us gill
- 3 us fluid ounce = 0.75 us gill
- 4 us fluid ounce = 1 us gill
- 5 us fluid ounce = 1.25 us gill
- 6 us fluid ounce = 1.5 us gill
- 7 us fluid ounce = 1.75 us gill
- 8 us fluid ounce = 2 us gill
- 9 us fluid ounce = 2.25 us gill
- 10 us fluid ounce = 2.5 us gill
- 12 us fluid ounce = 3 us gill
- 15 us fluid ounce = 3.75 us gill
- 20 us fluid ounce = 5 us gill
- 25 us fluid ounce = 6.25 us gill
- 30 us fluid ounce = 7.5 us gill
- 50 us fluid ounce = 12.5 us gill
- 75 us fluid ounce = 18.75 us gill
- 100 us fluid ounce = 25 us gill
- 200 us fluid ounce = 50 us gill
- 500 us fluid ounce = 125 us gill
- 1000 us fluid ounce = 250 us gill
US Fluid Ounce to US Gill conversion chart (both directions)
The chart below converts us fluid ounce to us gill and us gill to us fluid ounce side by side, so it works whichever way you need. 1 us fluid ounce = 0.25us gill, and 1 us gill = 4us fluid ounce.
| US Fluid Ounce → US Gill | US Gill → US Fluid Ounce |
|---|---|
| 0.25US fl oz = 0.0625gi | 0.25gi = 1US fl oz |
| 0.5US fl oz = 0.125gi | 0.5gi = 2US fl oz |
| 1US fl oz = 0.25gi | 1gi = 4US fl oz |
| 2US fl oz = 0.5gi | 2gi = 8US fl oz |
| 3US fl oz = 0.75gi | 3gi = 12US fl oz |
| 4US fl oz = 1gi | 4gi = 16US fl oz |
| 5US fl oz = 1.25gi | 5gi = 20US fl oz |
| 6US fl oz = 1.5gi | 6gi = 24US fl oz |
| 7US fl oz = 1.75gi | 7gi = 28US fl oz |
| 8US fl oz = 2gi | 8gi = 32US fl oz |
| 9US fl oz = 2.25gi | 9gi = 36US fl oz |
| 10US fl oz = 2.5gi | 10gi = 40US fl oz |
| 12US fl oz = 3gi | 12gi = 48US fl oz |
| 15US fl oz = 3.75gi | 15gi = 60US fl oz |
| 20US fl oz = 5gi | 20gi = 80US fl oz |
| 25US fl oz = 6.25gi | 25gi = 100US fl oz |
| 30US fl oz = 7.5gi | 30gi = 120US fl oz |
| 40US fl oz = 10gi | 40gi = 160US fl oz |
| 50US fl oz = 12.5gi | 50gi = 200US fl oz |
| 75US fl oz = 18.75gi | 75gi = 300US fl oz |
| 100US fl oz = 25gi | 100gi = 400US fl oz |
| 150US fl oz = 37.5gi | 150gi = 600US fl oz |
| 200US fl oz = 50gi | 200gi = 800US fl oz |
| 250US fl oz = 62.5gi | 250gi = 1,000US fl oz |
| 500US fl oz = 125gi | 500gi = 2,000US fl oz |
| 1000US fl oz = 250gi | 1000gi = 4,000US fl oz |
US Fluid Ounce vs US Gill: which is bigger?
A us gill is the larger unit: one us gill equals 4 us fluid ounces. Put another way, you need 4 us fluid ounces to make a single us gill.
What is a US Fluid Ounce? History, origin and usage
This is again the US fluid ounce (written here as a US oz), one one-hundred-twenty-eighth of the US gallon and one eighth of a US cup, descended from the Queen Anne wine gallon. The name ounce is shared with the weight unit because the fluid ounce was historically the volume of an ounce-weight of water or wine.
The US fluid ounce measures beverage servings, spirit pours and recipe liquids throughout the United States, sitting just below the cup in the customary ladder. Drink labels and bar jiggers are graduated in fluid ounces.
Eight US fluid ounces make one US cup and sixteen make a US pint, the neat ratios that make American volume cooking work. The US fluid ounce is a volume measure and is slightly larger than the imperial fluid ounce used in Britain.
What is a US Gill? History, origin and usage
The gill is a very old English measure equal to a quarter of a pint, recorded as early as the 13th century for dispensing ale and wine. The US gill of four fluid ounces preserves the pre-1824 wine-gallon proportions, while Britain's imperial gill of five fluid ounces came from the 1824 reforms.
The gill has almost vanished from everyday use, surviving mainly in the historic measuring of spirits. Before metrication, British and Irish pubs poured spirits in fractions of a gill.
A gill is also called a noggin or a jack in parts of England, and confusingly in some northern areas the word gill was used for a half-pint instead. The US gill (four US fluid ounces) and the imperial gill (five imperial fluid ounces) are different sizes.
Convert 1 US Fluid Ounce to other units
It can help to see a us fluid ounce next to the other units it is commonly compared with. One us fluid ounce (US fl oz) is equal to:
| 1 US Fluid Ounce equals | Unit |
|---|---|
| 29.57353mL | Millilitre |
| 2.957353cL | Centilitre |
| 0.02957353L | Litre |
| 0.00002957353m³ | Cubic Metre |
| 29.57353cm³ | Cubic Centimetre |
| 1.804688in³ | Cubic Inch |
| 0.001044379ft³ | Cubic Foot |
| 0.0078125US gal | US Gallon |
| 0.0078125gal | US Gallon |
| 0.03125US qt | US Quart |
| 0.03125qt | US Quart |
| 0.0625US pt | US Pint |
| 0.0625pt | US Pint |
| 1US fl oz | US Fluid Ounce |
| 1fl oz | US Fluid Ounce |
| 1.040843imp fl oz | Imperial Fluid Ounce |
| 2tbsp | US Tablespoon |
| 6tsp | US Teaspoon |
| 0.25gi | US Gill |
| 0.0008392256bu | US Bushel |
| 0.0001860119bbl | Oil Barrel |
| 29,573.53µL | Microlitre |
| 0.125US cup | US Cup |
Convert 1 US Gill to other units
One us gill (gi) is equal to:
| 1 US Gill equals | Unit |
|---|---|
| 118.2941mL | Millilitre |
| 11.82941cL | Centilitre |
| 0.1182941L | Litre |
| 0.0001182941m³ | Cubic Metre |
| 118.2941cm³ | Cubic Centimetre |
| 7.21875in³ | Cubic Inch |
| 0.004177517ft³ | Cubic Foot |
| 0.03125US gal | US Gallon |
| 0.03125gal | US Gallon |
| 0.125US qt | US Quart |
| 0.125qt | US Quart |
| 0.25US pt | US Pint |
| 0.25pt | US Pint |
| 4US fl oz | US Fluid Ounce |
| 4fl oz | US Fluid Ounce |
| 4.163371imp fl oz | Imperial Fluid Ounce |
| 8tbsp | US Tablespoon |
| 24tsp | US Teaspoon |
| 0.003356902bu | US Bushel |
| 0.0007440476bbl | Oil Barrel |
| 118,294.1µL | Microlitre |
| 0.5US cup | US Cup |
| 4US fl oz | US Fluid Ounce |
Tips for converting US Fluid Ounce to US Gill
- To go from us fluid ounce to us gill, multiply by 0.25; to go back, divide by 0.25 (or multiply by 4).
- For a quick mental estimate, remember that 1 us fluid ounce ≈ 0.25 us gill, so 10 us fluid ounce ≈ 2.5 us gill.
- The converter above keeps full precision; the tables round for readability, so use the tool for exact figures.
- Both fields update live as you type — change either side to convert in that direction.
How to use this US Fluid Ounce to US Gill converter
Type a number into the US Fluid Ounce field and the equivalent in US Gill appears instantly — there is no “convert” button to press and nothing is sent to a server, so it works offline once the page has loaded and is safe for any data. You can also type into the US Gill field to convert the other way (us gill to us fluid ounce). Use the swap control to flip the two units, and copy the result with a single click. Because the calculation runs in your browser with full floating-point precision, the converter is more exact than the rounded figures shown in the reference chart above — use the chart for quick look-ups and the tool for precise work.
Accuracy and method
Every figure on this page — the formula, the worked examples, the conversion chart and the “convert to other units” tables — is computed from a single verified conversion factor (1 US fl oz = 0.25gi), never copied from a hand-typed lookup table that could drift. That factor is derived from each unit’s definition in terms of a common base unit, and an automated check re-verifies all of the site’s factors on every update, so the numbers here stay correct over time. This matters for us fluid ounce-to-us gill conversions because a small rounding error in a published table compounds quickly at larger quantities; computing from the exact factor avoids that.
Watch the system: a <strong>US</strong> gallon, quart, pint and fluid ounce are <strong>not</strong> the same size as the <strong>imperial (UK)</strong> ones — a US gallon is 3.785 L while an imperial gallon is 4.546 L, and a US fluid ounce (29.57 mL) is slightly larger than an imperial fluid ounce (28.41 mL). The units on this page are labelled US or Imperial so the result is unambiguous.
Frequently asked questions
- How many us gill are in 1 us fluid ounce?
- 1 us fluid ounce = 0.25 us gill (gi). To convert any number of us fluid ounce to us gill, multiply by 0.25.
- How do I convert us fluid ounce to us gill?
- Multiply the number of us fluid ounce by 0.25. For example, 10 us fluid ounce = 10 × 0.25 = 2.5 us gill, and 25 us fluid ounce = 6.25 us gill.
- How many us fluid ounce are in 1 us gill?
- 1 us gill = 4 us fluid ounce. So to convert us gill back to us fluid ounce, multiply by 4.
- What is the formula to convert us fluid ounce to us gill?
- us gill = us fluid ounce × 0.25. The reverse formula is us fluid ounce = us gill × 4.
- How much is 100 us fluid ounce in us gill?
- 100 us fluid ounce = 25 us gill. (And 1000 us fluid ounce = 250 us gill.)
- Which is bigger, a us fluid ounce or a us gill?
- A us gill is larger: 1 us gill = 4 us fluid ounce.
- Is this us fluid ounce to us gill converter accurate?
- Yes — every value is computed from the exact 0.25 gi per US fl oz factor (not rounded look-up tables), and the factors are re-verified automatically on every update.
- Can I convert us gill to us fluid ounce too?
- Yes. The converter works both ways — enter a value in either field. 1 us gill = 4 us fluid ounce.