UK Gallons to mL Converter (gal (UK) to mL)

How to convert imperial gallons to milliliters

FormulamL = gal (UK) × 4,546.09

Multiply the value in imperial gallons by 4,546.09. To go the other way, multiply by 0.0002199692483 (or divide by 4,546.09).

An imperial gallon is larger than a milliliter: one imperial gallon contains 4,546.09 milliliters.

Worked examples

1 imperial gallon1 gal (UK) × 4,546.09 = 4,546.09 mL
5 imperial gallons5 gal (UK) × 4,546.09 = 22,730.45 mL
10 imperial gallons10 gal (UK) × 4,546.09 = 45,460.9 mL
20 imperial gallons20 gal (UK) × 4,546.09 = 90,921.8 mL
100 imperial gallons100 gal (UK) × 4,546.09 = 454,609 mL

Imperial gallons to milliliters conversion table

Values are calculated by the conversion engine and rounded to 8 significant figures.

Imperial gallons to milliliters: 0.1–10 gal (UK)
Imperial gallons (gal (UK))	Milliliters (mL)
0.1 gal (UK)	454.609 mL
0.25 gal (UK)	1,136.5225 mL
0.5 gal (UK)	2,273.045 mL
1 gal (UK)	4,546.09 mL
2 gal (UK)	9,092.18 mL
3 gal (UK)	13,638.27 mL
4 gal (UK)	18,184.36 mL
5 gal (UK)	22,730.45 mL
6 gal (UK)	27,276.54 mL
7 gal (UK)	31,822.63 mL
8 gal (UK)	36,368.72 mL
9 gal (UK)	40,914.81 mL
10 gal (UK)	45,460.9 mL

Imperial gallons to milliliters: 12–1,000 gal (UK)
Imperial gallons (gal (UK))	Milliliters (mL)
12 gal (UK)	54,553.08 mL
15 gal (UK)	68,191.35 mL
20 gal (UK)	90,921.8 mL
25 gal (UK)	113,652.25 mL
30 gal (UK)	136,382.7 mL
40 gal (UK)	181,843.6 mL
50 gal (UK)	227,304.5 mL
75 gal (UK)	340,956.75 mL
100 gal (UK)	454,609 mL
250 gal (UK)	1,136,522.5 mL
500 gal (UK)	2,273,045 mL
1,000 gal (UK)	4,546,090 mL

About the units

Imperial gallon (gal (UK))

Exactly 4.54609 L, about 1.2 US gallons. Used in the UK for fuel economy (mpg) figures. One imperial gallon equals 0.00454609 cubic meters (m³).

Milliliter (mL)

One thousandth of a litre, identical to one cubic centimetre. Medicine doses and small bottles use mL. One milliliter equals 0.000001 cubic meters (m³).

Frequently asked questions

How many milliliters are in one imperial gallon?

There are 4,546.09 milliliters in one imperial gallon, and this value is exact by definition.

How do I convert imperial gallons to milliliters?

Multiply the number of imperial gallons by 4,546.09. For example, 10 gal (UK) × 4,546.09 = 45,460.9 mL.

How many imperial gallons are in one milliliter?

One milliliter equals 0.0002199692483 imperial gallons. That is the reverse factor, 1 ÷ 4,546.09.

What is 10 imperial gallons in milliliters?

10 gal (UK) = 45,460.9 mL.

Is this gal (UK) to mL converter accurate?

Yes. Both units are defined exactly in terms of SI units, so the conversion factor is exact; results are shown to 12 significant figures by default and you can change precision in the converter. Calculations run in your browser using the same tested engine that generated this page.

UK Gallons to mL Converter