Convert US Gill to US Fluid Ounce

1 us gill = 4 us fluid ounce (US fl oz). For example, 10 us gill = 40 us fluid ounce and 100 us gill = 400 us fluid ounce. Type any value below to convert us gill to us fluid ounce both ways — it runs entirely in your browser.

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Quick answer: US Gill to US Fluid Ounce

1 US Gill = 4 US Fluid Ounce (gi → US fl oz). To convert us gill to us fluid ounce, multiply by 4. To convert us fluid ounce to us gill, multiply by 0.25. 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 gill-to-us fluid ounce questions.

How to convert US Gill to US Fluid Ounce

To convert us gill to us fluid ounce, multiply the number of us gill by the conversion factor 4, because 1 gi = 4 US fl oz. The conversion is linear, so the same factor works for any value — whole numbers, decimals or fractions. For the reverse direction, 1 US fl oz = 0.25 gi, so you divide by 4 (or multiply by 0.25) to turn us fluid ounce back into us gill.

US fl oz = gi × 4  ·  gi = US fl oz × 0.25

  1. Write down the value you want to convert, in us gill.
  2. Multiply it by 4.
  3. The result is the same area/length/quantity expressed in us fluid ounce.

US Gill to US Fluid Ounce — worked examples

Each row shows the exact arithmetic so you can follow the conversion step by step. For example, 5 us gill is 20 us fluid ounce because 5 gi × 4 = 20 US fl oz.

US GillCalculationUS Fluid Ounce
1 gi1 gi × 4 = 4 US fl oz4 US fl oz
2 gi2 gi × 4 = 8 US fl oz8 US fl oz
3 gi3 gi × 4 = 12 US fl oz12 US fl oz
5 gi5 gi × 4 = 20 US fl oz20 US fl oz
7 gi7 gi × 4 = 28 US fl oz28 US fl oz
10 gi10 gi × 4 = 40 US fl oz40 US fl oz
12 gi12 gi × 4 = 48 US fl oz48 US fl oz
15 gi15 gi × 4 = 60 US fl oz60 US fl oz
20 gi20 gi × 4 = 80 US fl oz80 US fl oz
25 gi25 gi × 4 = 100 US fl oz100 US fl oz
50 gi50 gi × 4 = 200 US fl oz200 US fl oz
100 gi100 gi × 4 = 400 US fl oz400 US fl oz

Common US Gill to US Fluid Ounce conversions

These are the us gill-to-us fluid ounce 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 gill = 4 us fluid ounce
  • 2 us gill = 8 us fluid ounce
  • 2.5 us gill = 10 us fluid ounce
  • 3 us gill = 12 us fluid ounce
  • 4 us gill = 16 us fluid ounce
  • 5 us gill = 20 us fluid ounce
  • 6 us gill = 24 us fluid ounce
  • 7 us gill = 28 us fluid ounce
  • 8 us gill = 32 us fluid ounce
  • 9 us gill = 36 us fluid ounce
  • 10 us gill = 40 us fluid ounce
  • 12 us gill = 48 us fluid ounce
  • 15 us gill = 60 us fluid ounce
  • 20 us gill = 80 us fluid ounce
  • 25 us gill = 100 us fluid ounce
  • 30 us gill = 120 us fluid ounce
  • 50 us gill = 200 us fluid ounce
  • 75 us gill = 300 us fluid ounce
  • 100 us gill = 400 us fluid ounce
  • 200 us gill = 800 us fluid ounce
  • 500 us gill = 2,000 us fluid ounce
  • 1000 us gill = 4,000 us fluid ounce

US Gill to US Fluid Ounce conversion chart (both directions)

The chart below converts us gill to us fluid ounce and us fluid ounce to us gill side by side, so it works whichever way you need. 1 us gill = 4 us fluid ounce, and 1 us fluid ounce = 0.25 us gill.

US Gill → US Fluid OunceUS Fluid Ounce → US Gill
0.25 gi = 1 US fl oz0.25 US fl oz = 0.0625 gi
0.5 gi = 2 US fl oz0.5 US fl oz = 0.125 gi
1 gi = 4 US fl oz1 US fl oz = 0.25 gi
2 gi = 8 US fl oz2 US fl oz = 0.5 gi
3 gi = 12 US fl oz3 US fl oz = 0.75 gi
4 gi = 16 US fl oz4 US fl oz = 1 gi
5 gi = 20 US fl oz5 US fl oz = 1.25 gi
6 gi = 24 US fl oz6 US fl oz = 1.5 gi
7 gi = 28 US fl oz7 US fl oz = 1.75 gi
8 gi = 32 US fl oz8 US fl oz = 2 gi
9 gi = 36 US fl oz9 US fl oz = 2.25 gi
10 gi = 40 US fl oz10 US fl oz = 2.5 gi
12 gi = 48 US fl oz12 US fl oz = 3 gi
15 gi = 60 US fl oz15 US fl oz = 3.75 gi
20 gi = 80 US fl oz20 US fl oz = 5 gi
25 gi = 100 US fl oz25 US fl oz = 6.25 gi
30 gi = 120 US fl oz30 US fl oz = 7.5 gi
40 gi = 160 US fl oz40 US fl oz = 10 gi
50 gi = 200 US fl oz50 US fl oz = 12.5 gi
75 gi = 300 US fl oz75 US fl oz = 18.75 gi
100 gi = 400 US fl oz100 US fl oz = 25 gi
150 gi = 600 US fl oz150 US fl oz = 37.5 gi
200 gi = 800 US fl oz200 US fl oz = 50 gi
250 gi = 1,000 US fl oz250 US fl oz = 62.5 gi
500 gi = 2,000 US fl oz500 US fl oz = 125 gi
1000 gi = 4,000 US fl oz1000 US fl oz = 250 gi

US Gill vs US Fluid Ounce: which is bigger?

1 gi1 US fl oz
Relative size of 1 US Gill (gi) and 1 US Fluid Ounce (US fl oz).

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 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.

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.

Convert 1 US Gill to other units

It can help to see a us gill next to the other units it is commonly compared with. One us gill (gi) is equal to:

1 US Gill equalsUnit
118.2941 mLMillilitre
11.82941 cLCentilitre
0.1182941 LLitre
0.0001182941 m³Cubic Metre
118.2941 cm³Cubic Centimetre
7.21875 in³Cubic Inch
0.004177517 ft³Cubic Foot
0.03125 US galUS Gallon
0.03125 galUS Gallon
0.125 US qtUS Quart
0.125 qtUS Quart
0.25 US ptUS Pint
0.25 ptUS Pint
4 US fl ozUS Fluid Ounce
4 fl ozUS Fluid Ounce
4.163371 imp fl ozImperial Fluid Ounce
8 tbspUS Tablespoon
24 tspUS Teaspoon
0.003356902 buUS Bushel
0.0007440476 bblOil Barrel
118,294.1 µLMicrolitre
0.5 US cupUS Cup
4 US fl ozUS Fluid Ounce

Convert 1 US Fluid Ounce to other units

One us fluid ounce (US fl oz) is equal to:

1 US Fluid Ounce equalsUnit
29.57353 mLMillilitre
2.957353 cLCentilitre
0.02957353 LLitre
0.00002957353 m³Cubic Metre
29.57353 cm³Cubic Centimetre
1.804688 in³Cubic Inch
0.001044379 ft³Cubic Foot
0.0078125 US galUS Gallon
0.0078125 galUS Gallon
0.03125 US qtUS Quart
0.03125 qtUS Quart
0.0625 US ptUS Pint
0.0625 ptUS Pint
1 US fl ozUS Fluid Ounce
1 fl ozUS Fluid Ounce
1.040843 imp fl ozImperial Fluid Ounce
2 tbspUS Tablespoon
6 tspUS Teaspoon
0.25 giUS Gill
0.0008392256 buUS Bushel
0.0001860119 bblOil Barrel
29,573.53 µLMicrolitre
0.125 US cupUS Cup

Tips for converting US Gill to US Fluid Ounce

  • To go from us gill to us fluid ounce, multiply by 4; to go back, divide by 4 (or multiply by 0.25).
  • For a quick mental estimate, remember that 1 us gill ≈ 4 us fluid ounce, so 10 us gill ≈ 40 us fluid ounce.
  • 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 Gill to US Fluid Ounce converter

Type a number into the US Gill field and the equivalent in US Fluid Ounce 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 Fluid Ounce field to convert the other way (us fluid ounce to us gill). 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 gi = 4 US fl oz), 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 gill-to-us fluid ounce conversions because a small rounding error in a published table compounds quickly at larger quantities; computing from the exact factor avoids that.

Sources

  • NIST Special Publication 811 — Guide for the Use of the SI — publishes the exact metric equivalents of the customary units. The inch, foot, yard and mile are defined exactly in metres by the 1959 international yard-and-pound agreement, so every imperial figure on this page is exact, not rounded.
  • BIPM — The International System of Units (SI Brochure) — the defining document for the SI, published by the International Bureau of Weights and Measures. It fixes the base unit that this conversion resolves to, which is why the factor here can be exact rather than approximate.

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 fluid ounce are in 1 us gill?
1 us gill = 4 us fluid ounce (US fl oz). To convert any number of us gill to us fluid ounce, multiply by 4.
How do I convert us gill to us fluid ounce?
Multiply the number of us gill by 4. For example, 10 us gill = 10 × 4 = 40 us fluid ounce, and 25 us gill = 100 us fluid ounce.
How many us gill are in 1 us fluid ounce?
1 us fluid ounce = 0.25 us gill. So to convert us fluid ounce back to us gill, multiply by 0.25.
What is the formula to convert us gill to us fluid ounce?
us fluid ounce = us gill × 4. The reverse formula is us gill = us fluid ounce × 0.25.
How much is 100 us gill in us fluid ounce?
100 us gill = 400 us fluid ounce. (And 1000 us gill = 4,000 us fluid ounce.)
Which is bigger, a us gill or a us fluid ounce?
A us gill is larger: 1 us gill = 4 us fluid ounce.
Is this us gill to us fluid ounce converter accurate?
Yes — every value is computed from the exact 4 US fl oz per gi factor (not rounded look-up tables), and the factors are re-verified automatically on every update.
Can I convert us fluid ounce to us gill too?
Yes. The converter works both ways — enter a value in either field. 1 us fluid ounce = 0.25 us gill.

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