90 minutes 0 seconds
There are 60 minutes in one hour, so multiply the number of hours by 60.
| 0.97 hours to minutes | 58.2 minutes |
| 0.98 hours to minutes | 58.8 minutes |
| 0.99 hours to minutes | 59.4 minutes |
| 1 hours to minutes | 60 minutes |
| 1.25 hours to minutes | 75 minutes |
| 1.75 hours to minutes | 105 minutes |
| 2 hours to minutes | 120 minutes |
| 2.25 hours to minutes | 135 minutes |
| 2.5 hours to minutes | 150 minutes |
| 2.75 hours to minutes | 165 minutes |
There are 90 minutes in 1.5 hours — multiply 1.5 by 60, the number of minutes in an hour.
The rule is minutes = hours × 60. Applying it to 1.5 hours gives 1.5 × 60 = 90 minutes.
In seconds, 1.5 hours comes to 5400 seconds — that is 1.5 × 3600, or 90 minutes 0 seconds.
Converting 1.5 hours (90 minutes) is common on timesheets and payroll, where worked time is often recorded in decimal hours and needs to be expressed in minutes.
Need to track a full shift? Use the Hours Worked Calculator to add up work time, breaks, and pay.
Or convert the other way: 90 minutes to hours.