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A gallons to litres converter converts US or imperial gallon measurements to litres, the standard metric unit of volume used worldwide.

공식

L = gal_US × 3.78541; L = gal_UK × 4.54609
gal_US
US gallons (US gal) — Imperial-derived unit used in US
gal_UK
UK gallons (UK gal) — Imperial gallon standard in UK and Commonwealth
L
Litres (L) — Metric volume unit

단계별 가이드

  1. 11 US Gallon = 3.78541 litres
  2. 21 Imperial Gallon = 4.54609 litres
  3. 3US Gallons × 3.78541 = Litres
  4. 4Imperial Gallons × 4.54609 = Litres

풀어진 예시

입력
1 US gallon
결과
3.785 litres
입력
5 US gallons
결과
18.927 litres
입력
10 imperial gallons
결과
45.461 litres

자주 묻는 질문

What is a gallon?

A gallon is a unit of volume. The US gallon = 3.785 litres; the UK (imperial) gallon = 4.546 litres. Always confirm which definition applies.

How do I know if I need US or UK gallons?

US gallons are used in the United States, Liberia, and Myanmar. UK gallons are used in the UK and most Commonwealth nations. Check the source — fuel pumps and recipes will specify.

Can I estimate the conversion quickly?

Quick rule: multiply US gallons by 3.8 for litres. UK gallons are larger — multiply by 4.5. These approximations work well for rough calculations.

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