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Lesson 6: Converting units of volume

# Converting US customary units of volume

Sal converts between gallons, quarts, pints, cups, and fluid ounces. Created by Sal Khan.

## Want to join the conversation?

• how many kilometers are in a mile?
• There are 1.60934 kilometers in one mile.
There are 0.621371 miles in one kilometer.
• how much is 3/4 of a gallon?
• That's 3 quarts because 1 quart is 1/4 of a gallon
• how do you get out of this and back to lesson
• Scroll all the way to the top and hit the KHAN ACADEMY button on the top. It should take you to where you can select what you would like to do next.
• at it shows that that the amount of pints you have is equal to twice as many cups, but if you are trying to work your way backwards by doing 16 divided by 2 (8) but the amount of cups you have is a odd number so how are you supposed to find out how many pints there are-? (I'm not sure if it's possible to do that so if not I just wasted like 5 mins typing this-)
• That’s a time you can apply your knowledge about remainders! You can use this for other numbers, but as an example let’s say you’re trying to convert 11 cups to pints. 11 ÷ 2 doesn’t come out evenly, though, so how can we communicate a quotient that isn’t a whole number?

Remainder notation:
11 ÷ 2 = 5R1
For this problem, it would also make practical sense to write the answer as 5 pints and 1 cup.

Fractions:
11 ÷ 2 = 5 ½

Decimals:
11 ÷ 2 = 5.5

Does that help?
• whats 34 gallons shortend to fluid ounces
• You just have to multiply 34 by 128. Because 1 gallon = 128 fluid ounces.
• How much dose 14 fluid oncese equal
• Does anyone here know how many fluid ounces equals 1,234,567,890 gallons?
• whoa! fluid ounces? is that the same as any other "ounce" measurement?
• A fluid ounce is a type of measurement that is less than cups.