Question 1

How many liters are in a gallon?

Accepted Answer

1 US gallon = 3.78541 liters. 1 UK (imperial) gallon = 4.54609 liters. When converting for car fuel efficiency, be sure to use the correct gallon type for your country.

Question 2

How many cups are in a liter?

Accepted Answer

1 liter = 4.22675 US cups. A quick approximation: 1 liter ≈ 4 cups. For baking, use the exact conversion: 1 cup = 236.6 ml.

Question 3

How many ml in a tablespoon?

Accepted Answer

1 US tablespoon = 14.7868 ml (about 15 ml for practical purposes). 1 teaspoon = 4.929 ml (about 5 ml). 3 teaspoons = 1 tablespoon.

Question 4

What's the difference between US and UK gallons?

Accepted Answer

The US gallon (3.785 L) is about 20% smaller than the UK imperial gallon (4.546 L). This difference matters for fuel consumption: a car getting 30 mpg (US) would be 36 mpg (UK).

Question 5

How do I convert cubic meters to liters?

Accepted Answer

1 cubic meter = 1,000 liters. To convert m³ to liters, simply multiply by 1,000. For example, 2.5 m³ = 2,500 liters.

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