Gallon (US) to Liter Converter

1 Gallon (US) equals 3.78541 Liter. To convert Gallon (US) to Liter, multiply the value by 3.78541.

To convert Gallon (US) to Liter, multiply the value by 3.78541. For example, 10 gal = 37.8541 L.

The Gallon (US) (gal) is the US standard liquid unit equal to 3.785 liters, used for fuel, beverages, and bulk liquids.

The Liter (L) is the standard metric unit for liquid volume, equal to 1,000 milliliters and widely used in everyday life.

100 gal equals 378.541 L. To convert Gallon (US) to Liter, multiply the value by 3.78541.

A typical compact car fuel tank holds 45–55 liters (12–14.5 US gallons). Mid-size sedans typically have 55–65 L (14.5–17 gal) tanks. Large SUVs and trucks can have 80–110 L (21–29 gal) tanks. Electric vehicles do not have fuel tanks but typically have 40–100 kWh battery packs.

A standard bathtub holds about 150–250 liters (40–66 US gallons) when filled to normal bathing depth (about two-thirds full). A full fill to the overflow drain is typically 300–400 liters. Freestanding soaking tubs can hold up to 500 liters.

A modern front-loading washing machine uses 40–60 liters (11–16 US gallons) per cycle. Top-loading machines use more — typically 100–170 liters (26–45 gal). High-efficiency (HE) models use less water per load than standard machines.

A standard wine bottle is 750 ml (0.75 liters), which is about 25.4 fl oz or roughly 5 glasses of wine at a standard 150 ml pour. A magnum is 1.5 liters (2 standard bottles). A half-bottle is 375 ml.

General guidelines suggest about 2–3 liters (8–12 cups) of total fluid per day for adults, including water from food. The US National Academies recommend approximately 3.7 liters for men and 2.7 liters for women from all beverages and foods combined. Individual needs vary by activity level, climate, and health.