Imperial gallons to US liquid gallons

Convert imperial gallons (imp gal) to us liquid gallons (US gal). Live results, batch values, CSV export, formula and examples. Free, no sign-up.

Runs on your device · no data upload

FromTo

Values (one per line)Significant digits

Up to 500 values. Calculations stay on this device. Decimal point: dot. Results use floating-point arithmetic and the selected display precision.

Results

1 values converted

row	input	from	result	to	error
1	1	imp gal	1.2009499255	US gal	—

US liquid and imperial gallons are different. US teaspoons and tablespoons use customary liquid measures, not metric cooking spoons.

Raw response

[
  {
    "row": 1,
    "input": 1,
    "from": "imp gal",
    "result": "1.2009499255",
    "to": "US gal"
  }
]

How to convert imperial gallons to us liquid gallons

Enter one value or paste one value per line. Change precision, swap units, then copy or export the results. Invalid values are reported individually.

result = (value × 4.54609 + 0 − 0) ÷ 3.785411784

US liquid and imperial gallons are different. US teaspoons and tablespoons use customary liquid measures, not metric cooking spoons.

Conversion examples
Imperial gallons (imp gal)	US liquid gallons (US gal)
0	0
1	1.2009499255
10	12.009499255
100	120.09499255

Reference: NIST unit conversion factors. Decimal and binary storage prefixes are distinct; rounded display values do not change the underlying calculation.

Results

How to convert imperial gallons to us liquid gallons

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