Question 1

What volume units should I use?

Accepted Answer

Metric (L, mL) for science and most countries. US customary for US cooking. Match your audience and context.

Question 2

What is the most common volume unit?

Accepted Answer

Liter globally. Gallon in US. Cup for cooking. mL for small amounts. Choose based on context.

Question 3

Are US and UK gallons the same?

Accepted Answer

No! US gallon = 3.785 liters. UK (Imperial) gallon = 4.546 liters. UK gallon is about 20% larger. Same applies to pints and fluid ounces.

Question 4

What's the most accurate way to measure volume?

Accepted Answer

For precision: measure by weight and convert using density. For liquids at eye level: read at the bottom of the meniscus curve.

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