Hours to Minutes Converter
Convert hours to minutes and back. 1 hour = 60 minutes exactly.
Tip: Results show up to 8 significant digits. The factors and their sources are listed on the "Where our numbers come from" page.
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Hours and Minutes
One hour is exactly 60 minutes, and one minute is about 0.0166666666667 hours. The converter works both ways: use the two tabs at the top of the tool to choose the direction.
Quick conversion table
Hours to Minutes
| Hours | Minutes |
|---|---|
| 0.25 h | 15 min |
| 0.5 h | 30 min |
| 0.75 h | 45 min |
| 1 h | 60 min |
| 1.5 h | 90 min |
| 2 h | 120 min |
| 3 h | 180 min |
| 4 h | 240 min |
| 6 h | 360 min |
| 8 h | 480 min |
| 12 h | 720 min |
| 24 h | 1,440 min |
Minutes to Hours
| Minutes | Hours |
|---|---|
| 5 min | 0.083333333 h |
| 10 min | 0.16666667 h |
| 15 min | 0.25 h |
| 30 min | 0.5 h |
| 45 min | 0.75 h |
| 60 min | 1 h |
| 90 min | 1.5 h |
| 120 min | 2 h |
| 180 min | 3 h |
| 480 min | 8 h |
| 1,440 min | 24 h |
Exact factor and source
| Conversion | Value | Basis |
|---|---|---|
| 1 hour in minutes | 60 | exact. SI Brochure, 9th edition (BIPM 2019): Table 8, the hour is accepted for use with the SI; 1 h = 3600 s |
| 1 minute in hours | 0.0166666666667 | rounded to 12 digits. SI Brochure, 9th edition (BIPM 2019): Table 8, the minute is accepted for use with the SI; 1 min = 60 s |
How to convert hours to minutes
- Step oneTake the number of hours.
- Step twoMultiply it by 60.
- Step threeThe result is the number of minutes.
- Step fourTo go back, divide by 60, or multiply by 0.0166666666667.
Example: 2.5 h x 60 = 150 min.
All time units compared
Each unit written in seconds, the base unit of this tool. Exact values come straight from the definitions.
| Unit | Symbol | Value in seconds |
|---|---|---|
| Seconds | s | 1 second |
| Minutes | min | 60 seconds |
| Hours | h | 3,600 seconds |
| Days | d | 86,400 seconds |
| Weeks | wk | 604,800 seconds |
What is a hour?
An hour (h) is 60 minutes or 3,600 seconds. It is not an SI unit but is accepted for use with SI.
What is a minute?
A minute (min) is 60 seconds. It is not an SI unit but is accepted for use with SI.
What this converter does not do
- Results are rounded for display to 8 significant digits; the stored factor is the exact one.
- A day is exactly 24 hours here: leap seconds and daylight saving shifts are ignored.
- It does not convert to calendar months or years, because they have different lengths.
Frequently asked questions
How many minutes are in a hour?
1 hour is exactly 60 minutes. That factor is exact by definition.
How many hours are in a minute?
1 minute is about 0.0166666666667 hours.
How many minutes are in 8 hours?
8 hours is 480 minutes, or 28,800 seconds.
Where do the factors come from?
Hours: SI Brochure, 9th edition (BIPM 2019): Table 8, the hour is accepted for use with the SI; 1 h = 3600 s. Minutes: SI Brochure, 9th edition (BIPM 2019): Table 8, the minute is accepted for use with the SI; 1 min = 60 s.
References
- Hours: SI Brochure, 9th edition (BIPM 2019): Table 8, the hour is accepted for use with the SI; 1 h = 3600 s
- Minutes: SI Brochure, 9th edition (BIPM 2019): Table 8, the minute is accepted for use with the SI; 1 min = 60 s
- NIST Special Publication 811: Guide for the Use of the International System of Units (SI), 2008 edition.
- The International System of Units (SI Brochure), 9th edition, BIPM.