Convert imperial gallon to milliliter
1 imp gal = 4,546.09 mL
sig figs
1 imp gal = 4,550 mL
1 imp gal in every volume unit
| cubic millimeter | 4,550,000 mm³ |
| microliter | 4,550,000 μL |
| milliliter | 4,550 mL |
| cubic centimeter | 4,550 cm³ |
| US teaspoon | 922 tsp |
| centiliter | 455 cL |
| US tablespoon | 307 tbsp |
| cubic inch | 277 in³ |
| imperial fluid ounce | 160 imp fl oz |
| US fluid ounce | 154 fl oz |
| deciliter | 45.5 dL |
| US cup | 19.2 cup |
| US pint | 9.61 pt |
| imperial pint | 8 imp pt |
| US quart | 4.8 qt |
| liter | 4.55 L |
| cubic decimeter | 4.55 dm³ |
| imperial quart | 4 imp qt |
| board foot | 1.93 fbm |
| US gallon | 1.2 gal |
| imperial gallon | 1 imp gal |
| cubic foot | 0.161 ft³ |
| US bushel | 0.129 bu |
| hectoliter | 0.0455 hL |
| US beer barrel | 0.0387 bbl beer |
| oil barrel | 0.0286 bbl |
| cubic yard | 0.00595 yd³ |
| cubic meter | 0.00455 m³ |
| kiloliter | 0.00455 kL |
| hundred cubic feet | 0.00161 CCF |
| cord | 0.00125 cord |
| acre-foot | 0.00000369 ac·ft |
| million US gallons | 0.0000012 MG |
| cubic kilometer | 4.55e-12 km³ |
How the conversion works
Multiply by 4,546.09 to go from imperial gallon to milliliter, or divide by it to go back. Every conversion on this site routes through the SI value (m³) rather than a table of pairwise factors, so a round-trip returns exactly what you started with.
Going the other way? milliliter to imperial gallon: 1 mL = 0.0002199692483 imp gal.
imperial gallon to milliliter: common values
| 1 imp gal | 4,546.09 mL |
| 2 imp gal | 9,092.18 mL |
| 3 imp gal | 13,638.27 mL |
| 5 imp gal | 22,730.45 mL |
| 10 imp gal | 45,460.9 mL |
| 15 imp gal | 68,191.35 mL |
| 20 imp gal | 90,921.8 mL |
| 25 imp gal | 113,652.25 mL |
| 50 imp gal | 227,304.5 mL |
| 75 imp gal | 340,956.75 mL |
| 100 imp gal | 454,609 mL |
| 250 imp gal | 1,136,522.5 mL |
| 500 imp gal | 2,273,045 mL |
| 1000 imp gal | 4,546,090 mL |
Other volume conversions
L → mLm³ → mLgal → mLimp gal → Limp gal → m³imp gal → galimp gal → qtimp gal → pt