How many US Gallons are in 1 Imperial Gallon?

There are exactly 1.200949926 US Gallons (gal) in 1 Imperial Gallon (imp gal). This means that to find the equivalent in US Gallons, you multiply your Imperial Gallon value by 1.200949926. This conversion factor is used worldwide in science, engineering, and everyday measurements.

What is 10 Imperial Gallons in US Gallons?

10 Imperial Gallons (imp gal) is exactly 12.00949926 US Gallons (gal). This is calculated by applying the standard conversion factor: 1 imp gal = 1.200949926 gal.

What is 100 Imperial Gallons in US Gallons?

100 Imperial Gallons (imp gal) is exactly 120.0949926 US Gallons (gal). This is calculated by applying the standard conversion factor: 1 imp gal = 1.200949926 gal.

How do I convert US Gallons back to Imperial Gallons?

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

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

Converting Imperial Gallons to US 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 Imperial Gallon bigger than US Gallon?

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

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

The quickest way is to multiply your Imperial Gallons value by 1.200949926. For a mental math shortcut, remember that 1 imp gal is approximately 1.200949926 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 Imperial Gallon to US 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 Imperial Gallon and US Gallon are based on internationally recognized standards. For everyday use, scientific work, and engineering applications, this level of precision exceeds typical requirements.

Imperial Gallon → US Gallon

From

1.200949926gal

Conversion Table

Conversion table from Imperial Gallon to US Gallon
Imperial Gallon (imp gal)	US Gallon (gal)
0.001 imp gal	0.001200949926 gal
0.01 imp gal	0.01200949926 gal
0.1 imp gal	0.1200949926 gal
1 imp gal	1.200949926 gal
2 imp gal	2.401899851 gal
3 imp gal	3.602849777 gal
4 imp gal	4.803799702 gal
5 imp gal	6.004749628 gal
10 imp gal	12.00949926 gal
15 imp gal	18.01424888 gal
20 imp gal	24.01899851 gal
25 imp gal	30.02374814 gal
50 imp gal	60.04749628 gal
100 imp gal	120.0949926 gal
250 imp gal	300.2374814 gal
500 imp gal	600.4749628 gal
1,000 imp gal	1,200.949926 gal
5,000 imp gal	6,004.749628 gal
10,000 imp gal	12,009.49926 gal

Formula

To convert Imperial Gallons to US Gallons, multiply the value by 1.20095. For example, 5 imp gal equals 6.004749628 gal. You can also use UnitShift's free online converter above for instant, accurate results without manual calculation.

Imperial Gallon → US Gallon: multiply the value by 1.20095

1 imp gal = 1.200949926 gal. To convert Imperial Gallons to US Gallons, multiply the imperial gallon value by 1.200949926.

Quick Facts

1 imp gal

1.200949926 gal

1 gal

0.8326741846 imp gal

10 imp gal

12.00949926 gal

100 imp gal

120.0949926 gal

How to Convert Imperial Gallons to US Gallons

Converting imperial gallons to us 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 imperial gallons and us gallons is essential. One imperial gallon (imp gal) equals exactly 1.200949926 us gallons (gal), and conversely, one us gallon equals 0.8326741846 imperial gallons.

This conversion is frequently used in cooking and baking recipe conversions and fuel tank capacity comparisons. For quick reference: 10 imperial gallons = 12.00949926 us gallons, and 100 imperial gallons = 120.0949926 us gallons. Our converter above handles any value instantly, including decimal and negative numbers.

The imperial gallon and us 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 imperial gallons to us gallons.

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