Convert Imperial gallon (gal UK) (gal_uk) to Milliliter (mL) (ml)
Category: Volume
1 gal_uk = 4546.09 ml
High-precision rounding: 6 decimals
How to convert imperial gallon (gal uk) to milliliter (ml)
We convert by pivoting through the SI base unit for Volume and applying exact factors where applicable.
Share this conversion: /convert/imperial-gallon-to-milliliter
Quick conversion table
Handy values for Imperial gallon (gal UK) → Milliliter (mL). Click a value to open that exact result.
Conversion formula
Linear unit conversions use standardized factors; many are exact by definition (e.g., 1 in = 25.4 mm, 1 ft = 0.3048 m).
Common mistakes
- Mixing US gallons (3.785 L) with Imperial gallons (4.546 L).
- Assuming kitchen ‘cup’ equals the same volume in every country.
Unit facts
- Imperial gallon (gal UK): The Imperial gallon is exactly 4.54609 L; still used in the UK for beer, milk, and fuel economy.
- Milliliter (mL): One milliliter is 1/1000 L, equal to 1 cm³; typical for dosages and lab volumes.
About Volume
Volume measures the space a substance occupies. SI uses cubic meters and liters; customary units like gallons, quarts, and pints persist in recipes, fuel, and containers. Accurate volume work often requires temperature and density considerations (e.g., for fuels).
About Imperial gallon (gal UK)
Imperial gallon (UK)
Exactly 4.54609 L. Still appears in UK fuel economy (mpg) and historical tables.
History: Set by the 1824 Weights and Measures Act; differs notably from the US gallon.
About Milliliter (mL)
Milliliter (mL)
Equals 1/1000 L and exactly 1 cm³. Used for doses, pipetting, coffee shots, and cosmetic volumes.
History: Popularized by laboratory glassware standards and medical dosing practices.
Related conversions from gal_uk
- gal_uk → bbl Barrel (oil, bbl)
- gal_uk → ft3 Cubic foot (ft³)
- gal_uk → in3 Cubic inch (in³)
- gal_uk → m3 Cubic meter (m³)
- gal_uk → cup Cup (US)
- gal_uk → l Liter (L)