Minutes to Hours Converter
Converting between minutes and hours is one of the most common time calculations in everyday life. Payroll systems require knowing how many hours an employee worked when time is recorded in total minutes. Fitness apps and workout logs often display exercise duration in minutes, but billing or insurance forms request the same figure in hours and minutes. Project management tools may track task durations in minutes while reports are generated in hours. The conversion is straightforward: divide total minutes by 60 to get hours, with the remainder being the leftover minutes. However, people often want the result in multiple formats at once: the plain hours-and-minutes description ("2 hours 30 minutes"), the HH:MM clock format ("2:30"), and the decimal hours format used in payroll ("2.50"). This converter provides all three simultaneously. It also works in reverse: enter hours and minutes to get the total count of minutes. A quick-reference table covers the most commonly needed conversions from 30 minutes up to 8 hours (480 minutes). Use this tool for payroll, billing, time tracking, fitness logs, travel planning, and any situation where you need to switch between minutes and hours quickly.
Minutes to Hours
Hours to Minutes
Conversion formula
The minute-to-hour conversion uses integer division and modulo arithmetic to split a total number of minutes cleanly into hours and remaining minutes.
Minutes to hours:
hours = Math.floor(totalMinutes / 60)
remainingMinutes = totalMinutes % 60
decimalHours = totalMinutes / 60
HH:MM = hours + ":" + remainingMinutes.padStart(2, "0")
Hours to minutes:
totalMinutes = (hours * 60) + minutes
Example: 135 minutes
hours = Math.floor(135 / 60) = 2
remainingMinutes = 135 % 60 = 15
decimal = 135 / 60 = 2.25
HH:MM = 2:15
Quick-reference conversion table
Common minute values and their hour equivalents:
| Total minutes | Hours and minutes | H:MM | Decimal hours |
|---|---|---|---|
| 30 | 0 hours 30 minutes | 0:30 | 0.50 |
| 45 | 0 hours 45 minutes | 0:45 | 0.75 |
| 60 | 1 hour 0 minutes | 1:00 | 1.00 |
| 90 | 1 hour 30 minutes | 1:30 | 1.50 |
| 120 | 2 hours 0 minutes | 2:00 | 2.00 |
| 150 | 2 hours 30 minutes | 2:30 | 2.50 |
| 180 | 3 hours 0 minutes | 3:00 | 3.00 |
| 240 | 4 hours 0 minutes | 4:00 | 4.00 |
| 480 | 8 hours 0 minutes | 8:00 | 8.00 |
Minutes to hours converter: frequently asked questions
How many minutes are in an hour?
There are 60 minutes in one hour. This is a fixed unit of time defined by the International System of Units (SI). One hour equals 60 minutes, one minute equals 60 seconds, and one hour equals 3,600 seconds.
How do I convert minutes to hours?
Divide the total number of minutes by 60. The whole number result is the number of complete hours, and the remainder is the remaining minutes. For example, 135 divided by 60 equals 2 with a remainder of 15, giving 2 hours and 15 minutes.
How do I convert 90 minutes to hours?
90 divided by 60 equals 1.5 hours, or 1 hour and 30 minutes. The whole number (1) is the hours and the remainder (30 minutes) is the leftover minutes.
How do I convert 150 minutes to hours?
150 divided by 60 equals 2.5 hours, or 2 hours and 30 minutes. The whole number (2) is the hours and the remainder (30 minutes) is the leftover minutes.
How do I convert hours and minutes to total minutes?
Multiply the number of hours by 60 and add the remaining minutes. For example, 3 hours and 45 minutes equals (3 multiplied by 60) plus 45, which equals 180 plus 45, equaling 225 total minutes.
Official sources
- US National Institute of Standards and Technology (NIST) time and frequency: nist.gov.
Reviewed by the CalculatorHub team, edited by James Graham, 14 June 2026. See our methodology.