Convert US Gill to US Gallon
1 us gill = 0.03125 us gallon (gal). For example, 10 us gill = 0.3125 us gallon and 100 us gill = 3.125 us gallon. Type any value below to convert us gill to us gallon both ways — it runs entirely in your browser.
Quick answer: US Gill to US Gallon
1 US Gill = 0.03125 US Gallon (gi → gal). To convert us gill to us gallon, multiply by 0.03125. To convert us gallon to us gill, multiply by 32. 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 gallon questions.
How to convert US Gill to US Gallon
To convert us gill to us gallon, multiply the number of us gill by the conversion factor 0.03125, because 1 gi = 0.03125 gal. The conversion is linear, so the same factor works for any value — whole numbers, decimals or fractions. For the reverse direction, 1 gal = 32 gi, so you divide by 0.03125 (or multiply by 32) to turn us gallon back into us gill.
gal = gi × 0.03125 ·
gi = gal × 32
- Write down the value you want to convert, in us gill.
- Multiply it by 0.03125.
- The result is the same area/length/quantity expressed in us gallon.
US Gill to US Gallon — worked examples
Each row shows the exact arithmetic so you can follow the conversion step by step. For example, 5 us gill is 0.15625 us gallon because 5 gi × 0.03125 = 0.15625 gal.
| US Gill | Calculation | US Gallon |
|---|---|---|
| 1 gi | 1 gi × 0.03125 = 0.03125 gal | 0.03125 gal |
| 2 gi | 2 gi × 0.03125 = 0.0625 gal | 0.0625 gal |
| 3 gi | 3 gi × 0.03125 = 0.09375 gal | 0.09375 gal |
| 5 gi | 5 gi × 0.03125 = 0.15625 gal | 0.15625 gal |
| 7 gi | 7 gi × 0.03125 = 0.21875 gal | 0.21875 gal |
| 10 gi | 10 gi × 0.03125 = 0.3125 gal | 0.3125 gal |
| 12 gi | 12 gi × 0.03125 = 0.375 gal | 0.375 gal |
| 15 gi | 15 gi × 0.03125 = 0.46875 gal | 0.46875 gal |
| 20 gi | 20 gi × 0.03125 = 0.625 gal | 0.625 gal |
| 25 gi | 25 gi × 0.03125 = 0.78125 gal | 0.78125 gal |
| 50 gi | 50 gi × 0.03125 = 1.5625 gal | 1.5625 gal |
| 100 gi | 100 gi × 0.03125 = 3.125 gal | 3.125 gal |
Common US Gill to US Gallon conversions
These are the us gill-to-us gallon 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 = 0.03125 us gallon
- 2 us gill = 0.0625 us gallon
- 2.5 us gill = 0.078125 us gallon
- 3 us gill = 0.09375 us gallon
- 4 us gill = 0.125 us gallon
- 5 us gill = 0.15625 us gallon
- 6 us gill = 0.1875 us gallon
- 7 us gill = 0.21875 us gallon
- 8 us gill = 0.25 us gallon
- 9 us gill = 0.28125 us gallon
- 10 us gill = 0.3125 us gallon
- 12 us gill = 0.375 us gallon
- 15 us gill = 0.46875 us gallon
- 20 us gill = 0.625 us gallon
- 25 us gill = 0.78125 us gallon
- 30 us gill = 0.9375 us gallon
- 50 us gill = 1.5625 us gallon
- 75 us gill = 2.34375 us gallon
- 100 us gill = 3.125 us gallon
- 200 us gill = 6.25 us gallon
- 500 us gill = 15.625 us gallon
- 1000 us gill = 31.25 us gallon
US Gill to US Gallon conversion chart (both directions)
The chart below converts us gill to us gallon and us gallon to us gill side by side, so it works whichever way you need. 1 us gill = 0.03125 us gallon, and 1 us gallon = 32 us gill.
| US Gill → US Gallon | US Gallon → US Gill |
|---|---|
| 0.25 gi = 0.0078125 gal | 0.25 gal = 8 gi |
| 0.5 gi = 0.015625 gal | 0.5 gal = 16 gi |
| 1 gi = 0.03125 gal | 1 gal = 32 gi |
| 2 gi = 0.0625 gal | 2 gal = 64 gi |
| 3 gi = 0.09375 gal | 3 gal = 96 gi |
| 4 gi = 0.125 gal | 4 gal = 128 gi |
| 5 gi = 0.15625 gal | 5 gal = 160 gi |
| 6 gi = 0.1875 gal | 6 gal = 192 gi |
| 7 gi = 0.21875 gal | 7 gal = 224 gi |
| 8 gi = 0.25 gal | 8 gal = 256 gi |
| 9 gi = 0.28125 gal | 9 gal = 288 gi |
| 10 gi = 0.3125 gal | 10 gal = 320 gi |
| 12 gi = 0.375 gal | 12 gal = 384 gi |
| 15 gi = 0.46875 gal | 15 gal = 480 gi |
| 20 gi = 0.625 gal | 20 gal = 640 gi |
| 25 gi = 0.78125 gal | 25 gal = 800 gi |
| 30 gi = 0.9375 gal | 30 gal = 960 gi |
| 40 gi = 1.25 gal | 40 gal = 1,280 gi |
| 50 gi = 1.5625 gal | 50 gal = 1,600 gi |
| 75 gi = 2.34375 gal | 75 gal = 2,400 gi |
| 100 gi = 3.125 gal | 100 gal = 3,200 gi |
| 150 gi = 4.6875 gal | 150 gal = 4,800 gi |
| 200 gi = 6.25 gal | 200 gal = 6,400 gi |
| 250 gi = 7.8125 gal | 250 gal = 8,000 gi |
| 500 gi = 15.625 gal | 500 gal = 16,000 gi |
| 1000 gi = 31.25 gal | 1000 gal = 32,000 gi |
US Gill vs US Gallon: which is bigger?
A us gallon is the larger unit: one us gallon equals 32 us gills. Put another way, you need 32 us gills to make a single us gallon.
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 Gallon? History, origin and usage
The everyday American gallon (written simply gal) is the very same US liquid gallon, inherited from the Queen Anne wine gallon of 231 cubic inches; the word gallon itself comes from the Old Northern French galon, a measure for liquids. The US locked this value in when it set its weights and measures in the 1830s.
This is the gallon Americans meet at the petrol pump, the supermarket milk aisle and the hardware-store paint shelf. It underlies the familiar miles-per-gallon figure used to compare car fuel economy in the United States.
Because Britain switched to the larger imperial gallon in 1824, a US gallon holds about a fifth less than a UK gallon, so a car rated 40 mpg in the US is actually thirstier than 40 mpg quoted in imperial gallons. The two systems share a name but not a size.
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 equals | Unit |
|---|---|
| 118.2941 mL | Millilitre |
| 11.82941 cL | Centilitre |
| 0.1182941 L | Litre |
| 0.0001182941 m³ | Cubic Metre |
| 118.2941 cm³ | Cubic Centimetre |
| 7.21875 in³ | Cubic Inch |
| 0.004177517 ft³ | Cubic Foot |
| 0.03125 US gal | US Gallon |
| 0.03125 gal | US Gallon |
| 0.125 US qt | US Quart |
| 0.125 qt | US Quart |
| 0.25 US pt | US Pint |
| 0.25 pt | US Pint |
| 4 US fl oz | US Fluid Ounce |
| 4 fl oz | US Fluid Ounce |
| 4.163371 imp fl oz | Imperial Fluid Ounce |
| 8 tbsp | US Tablespoon |
| 24 tsp | US Teaspoon |
| 0.003356902 bu | US Bushel |
| 0.0007440476 bbl | Oil Barrel |
| 118,294.1 µL | Microlitre |
| 0.5 US cup | US Cup |
| 4 US fl oz | US Fluid Ounce |
Convert 1 US Gallon to other units
One us gallon (gal) is equal to:
| 1 US Gallon equals | Unit |
|---|---|
| 3,785.412 mL | Millilitre |
| 378.5412 cL | Centilitre |
| 3.785412 L | Litre |
| 0.003785412 m³ | Cubic Metre |
| 3,785.412 cm³ | Cubic Centimetre |
| 231 in³ | Cubic Inch |
| 0.1336806 ft³ | Cubic Foot |
| 1 US gal | US Gallon |
| 4 US qt | US Quart |
| 4 qt | US Quart |
| 8 US pt | US Pint |
| 8 pt | US Pint |
| 128 US fl oz | US Fluid Ounce |
| 128 fl oz | US Fluid Ounce |
| 133.2279 imp fl oz | Imperial Fluid Ounce |
| 256 tbsp | US Tablespoon |
| 768 tsp | US Teaspoon |
| 32 gi | US Gill |
| 0.1074209 bu | US Bushel |
| 0.02380952 bbl | Oil Barrel |
| 3,785,412 µL | Microlitre |
| 16 US cup | US Cup |
| 128 US fl oz | US Fluid Ounce |
Tips for converting US Gill to US Gallon
- To go from us gill to us gallon, multiply by 0.03125; to go back, divide by 0.03125 (or multiply by 32).
- For a quick mental estimate, remember that 1 us gill ≈ 0.03125 us gallon, so 10 us gill ≈ 0.3125 us gallon.
- 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 Gallon converter
Type a number into the US Gill field and the equivalent in US Gallon 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 Gallon field to convert the other way (us gallon 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 = 0.03125 gal), 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 gallon 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 gallon are in 1 us gill?
- 1 us gill = 0.03125 us gallon (gal). To convert any number of us gill to us gallon, multiply by 0.03125.
- How do I convert us gill to us gallon?
- Multiply the number of us gill by 0.03125. For example, 10 us gill = 10 × 0.03125 = 0.3125 us gallon, and 25 us gill = 0.78125 us gallon.
- How many us gill are in 1 us gallon?
- 1 us gallon = 32 us gill. So to convert us gallon back to us gill, multiply by 32.
- What is the formula to convert us gill to us gallon?
- us gallon = us gill × 0.03125. The reverse formula is us gill = us gallon × 32.
- How much is 100 us gill in us gallon?
- 100 us gill = 3.125 us gallon. (And 1000 us gill = 31.25 us gallon.)
- Which is bigger, a us gill or a us gallon?
- A us gallon is larger: 1 us gallon = 32 us gill.
- Is this us gill to us gallon converter accurate?
- Yes — every value is computed from the exact 0.03125 gal per gi factor (not rounded look-up tables), and the factors are re-verified automatically on every update.
- Can I convert us gallon to us gill too?
- Yes. The converter works both ways — enter a value in either field. 1 us gallon = 32 us gill.