What is the Time Converter?
This time converter changes a duration between seconds, minutes, hours, days, weeks, months and years. A month is taken as 30.4375 days and a year as 365.25 days.
How to use the Time tool
- Enter Value, From and To.
- The result updates instantly as you type, or press Calculate.
- Use Try an example to see how it works, and Reset to start again.
Formula
Each unit is converted through seconds: 1 minute = 60 s, 1 hour = 3,600 s, 1 day = 86,400 s, 1 week = 604,800 s, 1 month = 2,629,800 s, 1 year = 31,557,600 s.
Worked example
With value 2.5, from Hours, to Minutes, the result in minutes comes to 150. Conversion factor: 1 hours is 60 minutes; Value in seconds: 9,000.
Frequently asked questions
How many seconds are in a day?
86,400 seconds.
How many hours are in a week?
168 hours.
Why is a month not exactly 30 days here?
Months vary from 28 to 31 days, so the average of 30.4375 days is used.
Time conversion charts
Quick lookups for minutes, hours and days. Divide minutes by 60 to get hours, and multiply hours by 60 to get minutes.
Minutes to hours
| 5 min | 0.08 h | 10 min | 0.17 h | 15 min | 0.25 h |
| 20 min | 0.33 h | 25 min | 0.42 h | 30 min | 0.5 h |
| 35 min | 0.58 h | 40 min | 0.67 h | 45 min | 0.75 h |
| 50 min | 0.83 h | 55 min | 0.92 h | 60 min | 1 h |
| 75 min | 1.25 h | 90 min | 1.5 h | 105 min | 1.75 h |
| 120 min | 2 h | 150 min | 2.5 h | 180 min | 3 h |
| 240 min | 4 h | 300 min | 5 h | 360 min | 6 h |
| 480 min | 8 h | 600 min | 10 h | 720 min | 12 h |
Hours to minutes
| 1 hour | 60 min | 2 hours | 120 min | 3 hours | 180 min |
| 4 hours | 240 min | 5 hours | 300 min | 6 hours | 360 min |
| 7 hours | 420 min | 8 hours | 480 min | 9 hours | 540 min |
| 10 hours | 600 min | 11 hours | 660 min | 12 hours | 720 min |
| 13 hours | 780 min | 14 hours | 840 min | 15 hours | 900 min |
| 16 hours | 960 min | 17 hours | 1020 min | 18 hours | 1080 min |
| 19 hours | 1140 min | 20 hours | 1200 min | 21 hours | 1260 min |
| 22 hours | 1320 min | 23 hours | 1380 min | 24 hours | 1440 min |
Days to hours
| 1 day | 24 h | 2 days | 48 h | 3 days | 72 h |
| 4 days | 96 h | 5 days | 120 h | 6 days | 144 h |
| 7 days | 168 h | 8 days | 192 h | 9 days | 216 h |
| 10 days | 240 h | 11 days | 264 h | 12 days | 288 h |
| 13 days | 312 h | 14 days | 336 h |
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Checked by Calcovate · Formula tested against worked examples · Updated 7 Nov 2026 · How we check our calculators.