21 hours 9 minutes in decimal
This online tool will help you convert time given in hours and minutes to decimal hours and/ or decimal minutes.
21 hours 9 minutes is 21.15 hours or 1269 minutes.
Related: Convert from Decimal to hours and minutes
Hours and minutes to Decimal conversion
To convert to decimal hours, add (minutes ÷ 60) to the hours number. So, 21 hours 9 minutes is 21 + 9 ÷ 60 = 21.15 hours.
To convert to minutes, simply multiply the hours by 60 and add the minutes. So, 21 × 60 + 9 = 1269 minutes.
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