Question 1

What is a decimal hour?

Accepted Answer

A decimal hour is the total hours expressed as a single decimal number. For example, 8 hours 30 minutes = 8.5 decimal hours, and 7 hours 15 minutes = 7.25 decimal hours.

Question 2

How do I convert 8:30 to decimal hours?

Accepted Answer

Divide the minutes by 60 and add to the hours. So 8 hours 30 minutes = 8 + (30 ÷ 60) = 8.5 decimal hours.

Question 3

How do I convert 0.25 to hours and minutes?

Accepted Answer

Multiply 0.25 by 60 to get 15 minutes. So 0.25 decimal hours = 15 minutes. Combined with the whole hour part: 0.25 = 0 hours 15 minutes.

Question 4

What is 7 hours 45 minutes as a decimal?

Accepted Answer

7 hours 45 minutes = 7 + (45 ÷ 60) = 7.75 decimal hours. This is the standard format used by payroll, invoicing and Excel time-tracking sheets.