Multiplying by 60
Remember that there are 60 seconds in 1 minute. Before you start your conversion, remember the magic number: 60 seconds for every 1 minute. If you remember this, it will be much easier to make your conversion.
Multiply the number of minutes by 60. Start by writing down your number of minutes, then multiply it by 60. This will give you your answer right away. For example, if you are converting 11 minutes, multiply it by 60 to get 660 seconds. Or, if you are converting 20 minutes, try 20 x 60 = 1,200 seconds.
Add the units after your answer. Throwing around a ton of numbers can get confusing. To keep your answer clear, make sure you label your answer with “seconds” after you write it down. For example, 11 minutes x 60 seconds = 660 seconds. 20 minutes x 60 seconds = 1,200 seconds.
Check your answer by dividing the number by 60. If you aren’t sure of your answer, divide the number that you got by 60. This should give you the original number that you started with. If it doesn’t, go back and check your math again. For example, if you got 660 seconds, divide 660 / 60 = 11 minutes. Or, for 1,200 seconds, do 1,200 / 60 = 20 minutes.
Converting Decimals
Start with the decimal point you’d like to convert. Sometimes, math problems include minutes that are written with decimal points. If that’s the case, write down the number that you’re starting with, and be sure to include the number after the decimal. For example, a problem might say 11.5 minutes. Or, a problem might say 13.2 minutes.
Multiply the number before the decimal by 60. Take the number written before the decimal point and multiply it by 60, making sure to double-check your math as you go. Write this number down first so you don’t forget it. For example, 11 x 60 = 660. For example, 13 x 60 = 780.
Multiply the number after the decimal by 60. Now, take the number after the decimal point and multiply it by 60. Remember to keep the decimal point in your equation as you do it so you get an accurate answer! For example, 0.5 x 60 = 30. For example, 0.2 x 60 = 12.
Add the 2 numbers together. Now, you can add your numbers together to get your final answer. Remember to add the units after your answer so you don’t get them confused. For example, 660 + 30 = 690 seconds. For example, 780 + 12 = 792 seconds.
Other Conversions
Multiply hours by 60 to convert to minutes. If you’re starting with hours instead of minutes, you’ll need to go from hours to minutes to seconds. To convert your number from hours to minutes, multiply it by 60. For example, 2 hours x 60 minutes = 120 minutes. To find the seconds, multiply 120 minutes x 60 seconds = 7,200 seconds.
Convert hours to seconds by multiplying by 3,600. Sometimes, you might not want to go through the process of hours to minutes to seconds. Instead, you can multiply the number of hours by 3,600 because there are 3,600 seconds in 1 hour. For example: 2 hours x 3,600 seconds = 7,200 seconds. 6 hours x 3,600 seconds = 21,600 seconds.
Divide seconds by 60 to convert them to minutes. If you’re starting from seconds and you need to convert to minutes, just do the opposite of converting minutes to seconds. Divide the seconds by 60 to convert to minutes. For example: 30 seconds / 60 minutes = 0.5 minutes. 90 seconds / 60 minutes = 1.5 minutes.
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