Minutes to Hours
One minute equals 0.016667 hours.
Hours = minutes ÷ 60
Time Conversion
Common Time Periods
Time Reference Guide
Time Unit Relationships
1 minute = 60 seconds
1 hour = 60 minutes = 3,600 seconds
1 day = 24 hours = 1,440 minutes
1 week = 7 days = 168 hours
1 month = 30.44 days on average
1 year = 365.2425 days on average
1 decade = 10 years
1 century = 100 years
Precision Time Units
Nanosecond: 1 billionth of a second (10⁻⁹)
Microsecond: 1 millionth of a second (10⁻⁶)
Millisecond: 1 thousandth of a second (10⁻³)
Computer processing: Nanoseconds to microseconds
Human reaction time: ~200 milliseconds
Blink of an eye: ~100-150 milliseconds
Interesting Time Facts
• A leap year has 366 days (31,622,400 seconds)
• The average human lifespan is about 700,000 hours
• Light travels around Earth's equator in ~134 milliseconds
• The universe is approximately 13.8 billion years old
Minutes to Hours Conversion Table
| min | h |
|---|---|
| 1 | 0.0167 |
| 5 | 0.0833 |
| 10 | 0.1667 |
| 15 | 0.25 |
| 20 | 0.3333 |
| 30 | 0.5 |
| 45 | 0.75 |
| 60 | 1 |
| 90 | 1.5 |
| 120 | 2 |
| 180 | 3 |
| 240 | 4 |
| 300 | 5 |
| 360 | 6 |
| 480 | 8 |
| 720 | 12 |
| 1440 | 24 |
About This Conversion
Minutes to hours is the conversion behind every timesheet, billing entry and cooking schedule. Divide by 60, and the awkward part is what to do with the remainder: 90 minutes is 1.5 hours as a decimal but "one hour thirty" when spoken, and payroll systems almost always want the decimal.
The decimal form is where mistakes happen, because 1.30 is not one hour thirty minutes. Thirty minutes is 0.5 hours, and 20 minutes is 0.333 hours. Entering 7.45 for a seven-hour forty-five-minute shift underpays by twelve minutes each time, which is why timesheet software converts to quarter-hour decimals of 0.25, 0.5 and 0.75.
Frequently Asked Questions
How many hours is 90 minutes?
90 minutes is 1.5 hours.
How many hours is 45 minutes?
45 minutes is 0.75 hours.
How do I write minutes as a decimal hour?
Divide the minutes by 60. So 20 minutes is 20 ÷ 60 = 0.333 hours, and 45 minutes is 0.75 hours.
Why is 1.30 not one hour and thirty minutes?
Decimal hours are hundredths, not minutes. One hour thirty is 1.5 hours; 1.30 hours is one hour and eighteen minutes.
Related Conversions
Converting the other way? Hours to Minutes
Need a different unit? Open the full time converter