Gallon to Liter Calculator

Gallon to Liter Calculator - Free Online Calculator

The Gallons to Liters Calculator converts US gallons (gal) into liters (L) instantly. Gallons are widely used in the United States for fuel, milk, water and paint, while liters are the standard volume unit in India and most of the world. This free online converter helps students, travellers, cooks and businesses switch between the two units quickly and accurately. What is a Gallon? A gallon is a unit of volume used in the US customary and British imperial systems. There are two main types: • US gallon: equal to 3.78541 liters, used in the United States and some Latin American countries. • Imperial (UK) gallon: equal to 4.54609 liters, used in the United Kingdom and some Commonwealth countries. A US gallon is divided into 4 quarts, 8 pints or 128 US fluid ounces. What is a Liter? A liter (or litre) is a metric unit of volume equal to 1,000 cubic centimeters or 1 cubic decimeter. It is represented by L or l. One liter equals 1,000 milliliters (mL). Liters are used in India for petrol, diesel, milk, water bottles, cooking oil and engine capacity. Gallons to Liters Formula Liters = US Gallons × 3.78541 Example: 8 gallons × 3.78541 = 30.28 liters For imperial gallons: Liters = Imperial gallons × 4.54609 To convert liters to US gallons: Gallons = Liters ÷ 3.78541 (or Liters × 0.264172) How to Use the Gallons to Liters Calculator? 1. Enter the volume in US gallons. 2. The calculator multiplies the value by 3.78541. 3. The equivalent volume in liters is displayed instantly. Gallons to Liters Conversion Table (US Gallons) • 1 gallon = 3.785 L • 2 gallons = 7.571 L • 3 gallons = 11.356 L • 5 gallons = 18.927 L • 10 gallons = 37.854 L • 15 gallons = 56.781 L • 20 gallons = 75.708 L • 25 gallons = 94.635 L • 50 gallons = 189.271 L • 55 gallons (drum) = 208.198 L • 100 gallons = 378.541 L Why Convert Gallons to Liters? • Fuel prices: petrol prices in the US are quoted per gallon, while India uses per liter. Converting helps you compare prices. • Fuel efficiency: miles per gallon (MPG) can be compared with kilometers per liter (km/L). • Cooking: American recipes often use gallons, quarts and cups. • Science and education: physics and chemistry problems often involve unit conversion. • Business and industry: imported chemicals, oils, paints and water tanks may be specified in gallons. • Aquariums and water storage: tank capacities are often listed in gallons. Quick Tip For a rough mental estimate, multiply gallons by 3.8. For example, 10 gallons is about 38 liters. This calculator is free, accurate and works on any device. See the FAQs below for more details on gallons and liters.