Convert gallon (imperial)s to liters
1 gal (imp) = 4.54609 L — exactly. Both units are defined against the SI, so this factor is a fraction, not an approximation.
More converter tools
Readable results
Ranges, ± tolerances, feet/inches and clock durations work in the value field.
Unit picker
Export this result
Show this value in all 42 volume units
- Cubic kilometers km³ 4.54609e-12
- Cubic meters m³ 0.004 546 09
- Cubic decimeters dm³ 4.546 09
- Cubic centimeters cm³ 4546.09
- Cubic millimeters mm³ 4 546 090
- Kiloliters kL 0.004 546 09
- Hectoliters hL 0.045 460 9
- Decaliters daL 0.454 609
- Liters L 4.546 09
- Deciliters dL 45.4609
- Centiliters cL 454.609
- Milliliters mL 4546.09
- Microliters µL 4 546 090
- Gallon (US)s gal 1.200 949 925 5
- Quart (US)s qt 4.803 799 702 02
- Pint (US)s pt 9.607 599 404 04
- Cup (US customary)s cup 19.215 198 808 1
- Cup (US legal)s cup 18.942 041 666 7
- Fluid ounce (US)s fl oz 153.721 590 465
- Tablespoon (US)s tbsp 307.443 180 929
- Teaspoon (US)s tsp 922.329 542 788
- Gill (US)s gi 38.430 397 616 2
- Minim (US)s min 73 786.363 423
- Barrel (oil)s bbl 0.028 594 045 845 4
- Barrel (US liquid)s bbl 0.038 125 394 460 5
- Bushel (US)s bu 0.129 007 092 936
- Peck (US)s pk 0.516 028 371 744
- Gallon (imperial)s gal (imp) 1
- Quart (imperial)s qt (imp) 4
- Pint (imperial)s pt (imp) 8
- Fluid ounce (imperial)s fl oz (imp) 160
- Tablespoon (imperial)s tbsp (imp) 256
- Teaspoon (imperial)s tsp (imp) 768
- Gill (imperial)s gi (imp) 32
- Bushel (imperial)s bu (imp) 0.125
- Cubic inches in³ 277.419 432 792
- Cubic feet ft³ 0.160 543 653 236
- Cubic yards yd³ 0.005 946 061 230 96
- Acre-foots ac·ft 0.000 003 685 575 143 16
- Board foots FBM 1.926 523 838 83
- Cords cd 0.001 254 247 290 91
- Drop (metric)s gt 90 921.8
Every row is Gallon (imperial) (gal (imp)) converted through the cubic meter, in exact rational arithmetic.
How to convert gallon (imperial)s to liters
Multiply the number of gallon (imperial)s by 4.54609 to get liters.
The exact factor is 4.54609 — as a fraction, 454609/100000.
Gallon (imperial): Exactly 4.546 09 L — the volume of 10 lb of water at 62 °F.
Gallon (imperial) to Liter conversion table
| Gallon (imperial)s (gal (imp)) | Liters (L) |
|---|---|
| 1 gal (imp) | 4.546 09 |
| 2 gal (imp) | 9.092 18 |
| 3 gal (imp) | 13.638 27 |
| 5 gal (imp) | 22.730 45 |
| 10 gal (imp) | 45.4609 |
| 20 gal (imp) | 90.9218 |
| 25 gal (imp) | 113.652 25 |
| 50 gal (imp) | 227.3045 |
| 100 gal (imp) | 454.609 |
| 250 gal (imp) | 1136.5225 |
| 500 gal (imp) | 2273.045 |
| 1000 gal (imp) | 4546.09 |
Liter to Gallon (imperial) conversion table
| Liters (L) | Gallon (imperial)s (gal (imp)) |
|---|---|
| 1 L | 0.219 969 25 |
| 2 L | 0.439 938 5 |
| 3 L | 0.659 907 74 |
| 5 L | 1.099 846 2 |
| 10 L | 2.199 692 5 |
| 20 L | 4.399 385 |
| 25 L | 5.499 231 2 |
| 50 L | 10.998 462 |
| 100 L | 21.996 925 |
| 250 L | 54.992 312 |
| 500 L | 109.984 62 |
| 1000 L | 219.969 25 |
Frequently asked
How many liters are in a gallon (imperial)?
One gallon (imperial) equals 4.54609 liters (gal (imp) → L). That figure is exact, not rounded.
How do you convert gallon (imperial)s to liters?
Multiply the number of gallon (imperial)s by 4.54609 to get liters.
What is 1 L in gallon (imperial)s?
One liter is 0.2199692483 gallon (imperial)s.
What is 10 gal (imp) in L?
10 gal (imp) = 45.4609 L.
What exactly is a gallon (imperial)?
Exactly 4.546 09 L — the volume of 10 lb of water at 62 °F.