Convert Imperial gills to US gallons
1 imperial gill is 0.04 gal. One imperial gill is exactly 0.037529685172 US gallons.
One imperial gill is 0.037529685 US gallons. To convert imperial gills to US gallons, multiply by 0.037529685; to go the other way, divide by 0.037529685 or multiply by 26.645574. The relation is exact but the figure is not: it is a rounding of a number that does not terminate, and it follows from NIST Handbook 130. A quarter of an imperial pint, 142.0653125 ml exactly.
Factor checked against the defining standard · How we check
- Imperial gills × 0.037529685
1 * 0.03752970.038 gal
1 imperial gill in every volume unit
| Unit | Value | Exact factor |
|---|---|---|
| US teaspoons | 28.82279821 tsp | × 28.8227982121 |
| US tablespoons | 9.607599404 tbsp | × 9.60759940404 |
| US fluid ounces | 4.803799702 fl oz | × 4.80379970202 |
| US cups | 0.6004749628 cup | × 0.600474962752 |
| US pints | 0.3002374814 pt | × 0.300237481376 |
| US quarts | 0.1501187407 qt | × 0.150118740688 |
| US gallons | 0.03752968517 gal | × 0.037529685172 |
| milliliters | 142.0653125 ml | × 142.0653125 |
| liters | 0.1420653125 L | × 0.1420653125 |
| imperial gallons | 0.03125 gal (UK) | × 0.03125 |
| imperial quarts | 0.125 qt (UK) | × 0.125 |
| imperial pints | 0.25 pt (UK) | × 0.25 |
| imperial fluid ounces | 5 fl oz (UK) | × 5 |
| imperial gills (as entered) | 1 gi (UK) | — |
| cubic millimetres | 142,065.3125 mm³ | × 142,065.3125 |
| cubic centimetres | 142.0653125 cm³ | × 142.0653125 |
| cubic inches | 8.669357275 in³ | × 8.66935727474 |
| cubic feet | 0.005016989164 ft³ | × 0.00501698916362 |
| cubic yards | 0.0001858144135 yd³ | × 0.000185814413467 |
| cubic metres | 0.0001420653125 m³ | × 0.0001420653125 |
Factors are entered by hand from NIST Handbook 130 rather than derived from a units library, so the ones that terminate are exact rather than rounded.
How do you convert imperial gills to US gallons? The converter and the working
- 1.Take the measurement in imperial gills.
- 2.Multiply by 0.037529685 — that is how many US gallons fit in one imperial gill.
- 3.To go back the other way, divide by 0.037529685, or multiply by 26.645574.
Worked example: 25 imperial gills to US gallons
- Formula
- gi (UK) × 0.037529685 = gal
- Arithmetic
- 25 × 0.037529685 = 0.94 gal
- Answer
- 25 gi (UK) = 0.94 gal
The factor is rounded for display; the figure above is computed from the full value.
Imperial gills to US gallons conversion table
| Imperial gills | US gallons |
|---|---|
| 1 gi (UK) | 0.04 gal |
| 2 gi (UK) | 0.08 gal |
| 3 gi (UK) | 0.11 gal |
| 4 gi (UK) | 0.15 gal |
| 5 gi (UK) | 0.19 gal |
| 6 gi (UK) | 0.23 gal |
| 7 gi (UK) | 0.26 gal |
| 8 gi (UK) | 0.3 gal |
| 9 gi (UK) | 0.34 gal |
| 10 gi (UK) | 0.38 gal |
| 12 gi (UK) | 0.45 gal |
| 15 gi (UK) | 0.56 gal |
| 20 gi (UK) | 0.75 gal |
| 25 gi (UK) | 0.94 gal |
| 50 gi (UK) | 1.88 gal |
| 100 gi (UK) | 3.75 gal |
| 200 gi (UK) | 7.51 gal |
| 300 gi (UK) | 11.26 gal |
| 500 gi (UK) | 18.76 gal |
| 1000 gi (UK) | 37.53 gal |
| 2000 gi (UK) | 75.06 gal |
| 5000 gi (UK) | 187.65 gal |
| 10000 gi (UK) | 375.3 gal |
What is an imperial gill?
A quarter of an imperial pint, 142.0653125 ml exactly. It survives as the measure spirits were once poured by in British pubs, and in old recipes that ask for a gill of cream.
What is a US gallon?
Exactly 231 cubic inches. The imperial gallon is 4.546 liters, so US and UK fuel economy figures are not comparable.
How many US gallons are in an imperial gill?
One imperial gill is 0.037529685 US gallons. Going the other way, one US gallon is 26.645574 imperial gills. Both figures come from the same defined relation rather than from a measurement, which is why they are the same today as they were in 1959.
Every volume unit here
The whole group — 20 units with their symbols and the size of each one in liters — is on the conversion index, along with every pair it makes. The table above already gives each of them relative to an imperial gill.
Cite this page
- APA
- Rule Calculator. (2026). Convert Imperial gills to US gallons. Rule Calculator. https://rulecalculators.com/convert/imperial-gill-to-gallon
- MLA
- "Convert Imperial gills to US gallons." Rule Calculator, August 16, 2026, https://rulecalculators.com/convert/imperial-gill-to-gallon.
- Chicago
- Rule Calculator. "Convert Imperial gills to US gallons." Rule Calculator. Last reviewed August 16, 2026. https://rulecalculators.com/convert/imperial-gill-to-gallon.
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Questions people actually ask
- How many US gallons are in an imperial gill?
- 0.037529685. Exactly 231 cubic inches. The imperial gallon is 4.546 liters, so US and UK fuel economy figures are not comparable.
- How do I convert US gallons back to imperial gills?
- Divide by 0.037529685, or multiply by 26.645574 — they are the same operation.
Other volume conversions
US gallons to imperial gills — the same conversion the other way.