Gallon (Imperial) to Gallon (US) Converter

Convert gallon (imperial) to gallon (us) instantly with our free online volume converter. Accurate conversions with detailed formulas and conversion tables.

Convert gal (Imp) to gal (US)

From Unit
Gallon (Imperial)
To Unit
Gallon (US)

Conversion Result

1 gal (Imp) = 0.000e+0 gal (US)

Exactly 0.0000000000 gal (US)

The Formula

To convert gal (Imp) to gal (US), multiply the volume by 1.200951.

Gallon (Imperial) to Gallon (US) Conversion Table

Gallon (Imperial) (gal (Imp))Gallon (US) (gal (US))Notes
1 gal (Imp)1.200951 gal (US)Standard volume unit
2 gal (Imp)2.401902 gal (US)Common recipe measurement
5 gal (Imp)6.004755 gal (US)Small container
10 gal (Imp)12.00951 gal (US)Standard bottle size
20 gal (Imp)24.019021 gal (US)Large container
50 gal (Imp)60.047552 gal (US)Industrial volume
100 gal (Imp)120.095104 gal (US)Bulk measurement

Convert Gallon (Imperial) to Other Units

How to Use This Calculator

  1. Enter the Value: Type the volume value you want to convert in the input field. For example, if converting 16 gal (Imp) to gal (US), enter "16".
  2. Select Units: The calculator is pre-configured to convert from Gallon (Imperial) (gal (Imp)) to Gallon (US) (gal (US)). The units are displayed in the "From Unit" and "To Unit" fields.
  3. View Results: The converted value appears instantly in the result card. You can see both the formatted result and the exact decimal value.
  4. Copy or Switch: Use the "Copy Result" button to copy the conversion to your clipboard, or click "Quick Switch" to reverse the conversion direction.

How the Conversion Works

This calculator uses a two-step conversion process through liters (L) as the base unit, which is the standard unit of volume in the International System of Units (SI).

Conversion Formula:

Step 1: Convert from gal (Imp) to liters (L)

Value in L = Input value ÷ 0.219969

Step 2: Convert from liters (L) to gal (US)

Result = Value in L × 0.264172

Simplified Formula:

Result = Input × 1.2009510431
Where 1.2009510431 is the conversion factor from gal (Imp) to gal (US)

Example Calculation:

Let's convert 16 gal (Imp) to gal (US):

16 gal (Imp) ÷ 0.219969 = 72.737522 L
72.737522 L × 0.264172 = 19.215217 gal (US)

Result: 16 gal (Imp) = 19.215217 gal (US)

Why Convert Gallon (Imperial) to Gallon (US)?

Converting volume from Gallon (Imperial) to Gallon (US) is essential for various applications including cooking, chemistry, engineering, and international trade. Understanding this conversion helps ensure accuracy in measurements across different unit systems.

The liter is the base unit of volume in the International System of Units (SI), while other units like cups, gallons, and fluid ounces are used in various regional systems. Precision matters especially in pharmaceutical dosages, chemical reactions, and recipe conversions where small errors can have significant impacts.

Frequently Asked Questions

How much is 1 gal (Imp) in gal (US)?
Exactly 1 gal (Imp) is equal to 1.200951 gal (US).
What is the conversion factor from gal (Imp) to gal (US)?
The conversion factor is 1.2009510431. Multiply the value in gal (Imp) by this factor to get the equivalent in gal (US).
Why is accurate volume conversion important?
Accurate volume conversions are crucial for recipe scaling, pharmaceutical dosages, chemical measurements, and industrial processes. Small errors in conversion can lead to significant problems in these fields.