Imperial Gallons to US Gallons

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igal
gal
1 igal = — gal

Quick reference

Imperial Gallons (igal)US Gallons (gal)

Formula

US Gallons = imperial gallons × 1.2009505

Multiply the imperial gallons value by 1.200950491492335 to get us gallons. To reverse — divide us gallons by 1.200950491492335 to get imperial gallons.

About this conversion

The imperial gallon is a UK unit of volume equal to 4.546 liters, larger than the US gallon. Learn more →

The US gallon (gal) is an imperial unit equal to 4 quarts or 3.785 liters. Learn more →

Source: NIST International Reference