Convert gallon (imperial)s to gallon (us)s
1 gal (imp) = 1.2009499255 gal — 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 gallon (us)s
Multiply the number of gallon (imperial)s by 1.2009499255 to get gallon (us)s.
Gallon (imperial): Exactly 4.546 09 L — the volume of 10 lb of water at 62 °F.
Gallon (US): The US liquid gallon: 231 in³ exactly. About 17% smaller than the imperial gallon.
Gallon (imperial) to Gallon (US) conversion table
| Gallon (imperial)s (gal (imp)) | Gallon (US)s (gal) |
|---|---|
| 1 gal (imp) | 1.200 949 9 |
| 2 gal (imp) | 2.401 899 9 |
| 3 gal (imp) | 3.602 849 8 |
| 5 gal (imp) | 6.004 749 6 |
| 10 gal (imp) | 12.009 499 |
| 20 gal (imp) | 24.018 999 |
| 25 gal (imp) | 30.023 748 |
| 50 gal (imp) | 60.047 496 |
| 100 gal (imp) | 120.094 99 |
| 250 gal (imp) | 300.237 48 |
| 500 gal (imp) | 600.474 96 |
| 1000 gal (imp) | 1200.9499 |
Gallon (US) to Gallon (imperial) conversion table
| Gallon (US)s (gal) | Gallon (imperial)s (gal (imp)) |
|---|---|
| 1 gal | 0.832 674 18 |
| 2 gal | 1.665 348 4 |
| 3 gal | 2.498 022 6 |
| 5 gal | 4.163 370 9 |
| 10 gal | 8.326 741 8 |
| 20 gal | 16.653 484 |
| 25 gal | 20.816 855 |
| 50 gal | 41.633 709 |
| 100 gal | 83.267 418 |
| 250 gal | 208.168 55 |
| 500 gal | 416.337 09 |
| 1000 gal | 832.674 18 |
Frequently asked
How many gallon (us)s are in a gallon (imperial)?
One gallon (imperial) equals 1.200949926 gallon (us)s (gal (imp) → gal). That figure is exact, not rounded.
How do you convert gallon (imperial)s to gallon (us)s?
Multiply the number of gallon (imperial)s by 1.2009499255 to get gallon (us)s.
What is 1 gal in gallon (imperial)s?
One gallon (us) is 0.8326741846 gallon (imperial)s.
What is 10 gal (imp) in gal?
10 gal (imp) = 12.009 499 gal.
What exactly is a gallon (imperial)?
Exactly 4.546 09 L — the volume of 10 lb of water at 62 °F.
What exactly is a gallon (us)?
The US liquid gallon: 231 in³ exactly. About 17% smaller than the imperial gallon.