Convert volume units — liters, gallons, cups, milliliters, cubic meters, pints, quarts.
| Unit | Name | Value |
|---|---|---|
| L | Liter | 0.236588 |
| mL | Milliliter | 236.588 |
| m³ | Cubic Meter | 0.000236588 |
| gal(US) | US Gallon | 0.062499967 |
| gal(UK) | UK Gallon | 0.052042085 |
| qt | US Quart | 0.24999974 |
| pt | US Pint | 0.5 |
| fl oz | Fluid Ounce | 8 |
Common us cup values converted to uk gallon — factor: 1 cup = 0.05204 gal(UK)
| US Cup (cup) | UK Gallon (gal(UK)) | Context |
|---|---|---|
| 0.0625 cup | 0.003253 gal(UK) | Tablespoon |
| 0.125 cup | 0.006505 gal(UK) | Eighth cup |
| 0.25 cup | 0.01301 gal(UK) | Quarter cup |
| 0.333 cup | 0.01733 gal(UK) | Third cup |
| 0.5 cup | 0.02602 gal(UK) | Half cup |
| 1 cup | 0.05204 gal(UK) | One cup |
| 2 cup | 0.1041 gal(UK) | One pint |
| 4 cup | 0.2082 gal(UK) | One quart |
| 8 cup | 0.4163 gal(UK) | Half gallon |
| 16 cup | 0.8327 gal(UK) | One gallon |
| 32 cup | 1.665 gal(UK) | 2 gallons |
| 64 cup | 3.331 gal(UK) | 4 gallons |
| 128 cup | 6.661 gal(UK) | 8 gallons |
| 256 cup | 13.32 gal(UK) | Large drum |
| 512 cup | 26.65 gal(UK) | Large drum |
Converting us cup to uk gallon comes up frequently in cooking, chemistry, medicine, and engineering. A recipe written in metric units may need to be adapted for a kitchen using uk gallon, or a laboratory protocol may specify volumes in us cup that need to be measured with equipment calibrated in uk gallon.
In everyday use, knowing that 5 cup = 0.2602 gal(UK) and 10 cup = 0.5204 gal(UK) covers most common situations. For bulk calculations, 100 cup = 5.204 gal(UK) is a useful anchor. The reverse conversion — uk gallon back to us cup — uses the factor 19.22, so 1 gal(UK) = 19.22 cup.
All conversions use the internationally recognized factor of exactly 1 cup = 0.05204 gal(UK). Calculations are performed in IEEE 754 double-precision floating point, giving accuracy to at least 8 significant figures — more than sufficient for any practical application.
Formula: UK Gallon = US Cup × 0.052042085
Multiply any us cup value by 0.052042085 to get uk gallon. One us cup equals 0.052042085 gal(UK).
Reverse: US Cup = UK Gallon × 19.215218
1 cup = 0.052042085 gal(UK). Memorize this for instant mental estimates.
Use 0.052 as a quick mental factor. Multiply your US cups value by this to estimate UK gallons.
To verify: multiply your result by 19.215218 to recover the original cup value.
Follows American recipes using cups for flour, sugar, milk, and butter.
Tests and standardizes recipes in cup measurements before international publication.
Uses cup portions as standardized serving-size references for dietary counseling.
Teaches beginner cooks using cups as intuitive, equipment-free measuring tools.
Converts cup-based recipes to liter or kilogram quantities for industrial production.
Converts US cup measurements to metric mL when cooking American recipes abroad.
The US customary cup is defined as exactly 8 US fluid ounces, or 236.588 mL. It was standardized by Fannie Farmer in her 1896 cookbook The Boston Cooking-School Cook Book.
The cup is the backbone of US baking: nearly every American recipe uses cup measurements for flour, sugar, butter, and liquids. Standard sets include 1 cup, ½ cup, ⅓ cup, and ¼ cup.
Interesting fact: Australia uses a metric cup of 250 mL, slightly larger than the US cup, which can cause recipe confusion in international cooking.
The Imperial gallon was defined by the British Weights and Measures Act of 1824 as the volume of ten pounds of water at 62°F, later fixed to exactly 4.54609 liters in 1985.
UK gallons are still used in Britain for fuel pricing. Road signs show consumption in miles per Imperial gallon, making UK cars appear more fuel-efficient than identical US models.
Interesting fact: 1 Imperial gallon = 1.20095 US gallons. Confusing the two has caused real-world errors in cross-border fuel cost calculations.