100 Liters to UK Gallons

"L to UK Gallons" Calculator
Convert
L to UK Gallons

How many UK gallons is 100 liters?

Answer

100 L ≈ 21.997 UK gallons
LUK gal010020002040100 L21.997 UK gallons

100 L ÷ 4.54609 ≈ 21.997 UK gallons

See Also

FAQ

How many UK gallons is 100 liters?

100 L ≈ 21.997 UK gallons

What is the formula to convert 100 L to UK gallons?

Divide the liter value by 4.54609: 100 L ÷ 4.54609 ≈ 21.997 imperial gallons. Since 1985 the imperial gallon is defined as exactly 4.54609 liters, so the factor is legal rather than measured.

How do I convert 21.997 imperial gallons back to liters?

Multiply by 4.54609: 21.997 gal × 4.54609 ≈ 100 liters. The sign is ≈ because the gallon figure on this page is rounded to three decimals.

How does an imperial gallon differ from a US gallon?

It is about 20% larger: 4.54609 L against 3.785411784 L. The same 100 L comes to about 21.997 gal by imperial measure but about 26.417 gal by US measure, which is why a British miles-per-gallon figure always looks better than the American one for the same car.