How many Imperial Gallons are in 1 US Gallon?

There are exactly 0.8326741846 Imperial Gallons (imp gal) in 1 US Gallon (gal). This means that to find the equivalent in Imperial Gallons, you multiply your US Gallon value by 0.8326741846. This conversion factor is used worldwide in science, engineering, and everyday measurements.

What is 10 US Gallons in Imperial Gallons?

10 US Gallons (gal) is exactly 8.326741846 Imperial Gallons (imp gal). This is calculated by applying the standard conversion factor: 1 gal = 0.8326741846 imp gal.

What is 100 US Gallons in Imperial Gallons?

100 US Gallons (gal) is exactly 83.26741846 Imperial Gallons (imp gal). This is calculated by applying the standard conversion factor: 1 gal = 0.8326741846 imp gal.

How do I convert Imperial Gallons back to US Gallons?

To convert Imperial Gallons to US Gallons, divide the value in Imperial Gallons by 0.8326741846. For example, 1 imp gal = 1.200949926 gal. You can also use the swap button on the converter above to instantly switch the conversion direction.

Why would I need to convert US Gallons to Imperial Gallons?

Converting US Gallons to Imperial Gallons is commonly needed in international trade, travel, academic studies, engineering projects, and everyday tasks where different measurement systems are used. Many countries use different standard units, making this conversion essential for accurate communication and calculations.

Is US Gallon bigger than Imperial Gallon?

To compare, look at the conversion factor: 1 gal = 0.8326741846 imp gal. If the result is greater than 1, then one US Gallon is larger than one Imperial Gallon. Conversely, 1 imp gal = 1.200949926 gal. Use this relationship to quickly understand the relative size of these two units.

What is the quickest way to convert US Gallons to Imperial Gallons?

The quickest way is to multiply your US Gallons value by 0.8326741846. For a mental math shortcut, remember that 1 gal is approximately 0.8326741846 imp gal. Round this factor to a convenient number for rough estimates, or use the UnitShift converter above for exact results instantly.

How accurate is this US Gallon to Imperial Gallon converter?

This converter uses full floating-point precision (64-bit double precision) for all calculations, ensuring results accurate to approximately 15 significant digits. The conversion factors between US Gallon and Imperial Gallon are based on internationally recognized standards. For everyday use, scientific work, and engineering applications, this level of precision exceeds typical requirements.

US Gallon → Imperial Gallon

From

0.8326741846imp gal

Conversion Table

Conversion table from US Gallon to Imperial Gallon
US Gallon (gal)	Imperial Gallon (imp gal)
0.001 gal	0.0008326741846 imp gal
0.01 gal	0.008326741846 imp gal
0.1 gal	0.08326741846 imp gal
1 gal	0.8326741846 imp gal
2 gal	1.665348369 imp gal
3 gal	2.498022554 imp gal
4 gal	3.330696739 imp gal
5 gal	4.163370923 imp gal
10 gal	8.326741846 imp gal
15 gal	12.49011277 imp gal
20 gal	16.65348369 imp gal
25 gal	20.81685462 imp gal
50 gal	41.63370923 imp gal
100 gal	83.26741846 imp gal
250 gal	208.1685462 imp gal
500 gal	416.3370923 imp gal
1,000 gal	832.6741846 imp gal
5,000 gal	4,163.370923 imp gal
10,000 gal	8,326.741846 imp gal

Formula

To convert US Gallons to Imperial Gallons, divide the value by 1.20095. For example, 5 gal equals 4.163370923 imp gal. You can also use UnitShift's free online converter above for instant, accurate results without manual calculation.

US Gallon → Imperial Gallon: divide the value by 1.20095

1 gal = 0.8326741846 imp gal. To convert US Gallons to Imperial Gallons, multiply the us gallon value by 0.8326741846.

Quick Facts

1 gal

0.8326741846 imp gal

1 imp gal

1.200949926 gal

10 gal

8.326741846 imp gal

100 gal

83.26741846 imp gal

How to Convert US Gallons to Imperial Gallons

Converting us gallons to imperial gallons is one of the most common volume conversions. Whether you're working with international measurements, academic research, or everyday calculations, understanding the relationship between us gallons and imperial gallons is essential. One us gallon (gal) equals exactly 0.8326741846 imperial gallons (imp gal), and conversely, one imperial gallon equals 1.200949926 us gallons.

This conversion is frequently used in cooking and baking recipe conversions and fuel tank capacity comparisons. For quick reference: 10 us gallons = 8.326741846 imperial gallons, and 100 us gallons = 83.26741846 imperial gallons. Our converter above handles any value instantly, including decimal and negative numbers.

The us gallon and imperial gallon are both units of volume. The conversion factor between them is constant, making it straightforward to convert in either direction. Other common applications include beverage serving size conversions and chemical and pharmaceutical measurements.

Use the conversion table below for pre-calculated values, or enter any custom number in the converter above. All calculations are performed with full floating-point precision to ensure accuracy for both everyday use and professional applications. Bookmark this page for quick access whenever you need to convert us gallons to imperial gallons.

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