Question 1

How do I calculate tank volume?

Accepted Answer

Cylinder: π × r² × height. Rectangle: L × W × H. For gallons, multiply cubic feet by 7.48.

Question 2

How many gallons does my propane tank hold?

Accepted Answer

Common sizes: 20 lb grill tank = 4.7 gal. 100 lb = 23.6 gal. 500 gal tank is common for homes.

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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