Convert 21 Minutes and 40 Seconds to Seconds
What is 21 minutes and 40 seconds in decimal seconds?
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21 Minutes : 40 Seconds =
1,300 Seconds
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Tip: How to Convert 21m 40s into Decimal Seconds
1) Take the minutes part and multiply by 60.
2) Then add the seconds part.
21*60 + 40 = 1,300 seconds
Seconds
A second is the base unit of time. Originally, it was based on the length of the day, but it has since been standardized based on the radiation wavelength of caesium-133.Common abbreviations: s, sec