Convert 21 Hours and 20 Minutes to Seconds
What is 21 hours and 20 minutes in decimal seconds?
Hours
Minutes
Seconds
From
To
swap units ↺
21 Hours : 20 Minutes =
76,800 Seconds
exact result
Decimal places
Tip: How to Convert 21h 20m into Decimal Seconds
1) Take the hours part and multiply by 3600.
2) Then add the minutes parts multiplied by 60.
21*3600 + 20*60 = 76,800 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