Time Converter
Free time converter: seconds, minutes, hours, days, weeks and years, plus how long a million minutes or a billion seconds really is. Instant, no signup.
loadingQuick answer: 1 minute = 60 seconds, 1 hour = 60 minutes, 1 day = 1,440 minutes = 86,400 seconds, and 1 average year = 365.2425 days = 525,949.2 minutes. To turn minutes into years, divide by 525,949.2.
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All units
| Unit | Value | Copy |
|---|---|---|
| Nanosecondns | 7.200000e+12 | |
| Microsecondµs | 7200000000 | |
| Millisecondms | 7200000 | |
| Seconds | 7200 | |
| Minutemin | 120 | |
| Hourh | 2 | |
| Dayd | 0.083333333 | |
| Weekwk | 0.011904762 | |
| Month (avg)mo | 0.002737907 | |
| Yearyr | 0.00022815892 | |
| Decadedec | 2.281589e-5 | |
| Centuryc | 2.281589e-6 |
Popular conversions
How time conversion works
Seconds, minutes, hours, days and weeks have fixed relationships: 60 s in a minute, 60 min in an hour, 24 h in a day and 7 days in a week. Months and years do not, because calendar months have 28 to 31 days and leap years add a day. This converter uses the average Gregorian year of 365.2425 days (31,556,952 s) and an average month of one-twelfth of that, about 30.44 days.
That average is right for long spans such as 'how long is 20 million minutes', where leap years even out. For a specific date range, count calendar days instead: a non-leap year is exactly 525,600 minutes and a leap year is 527,040.
Worked examples
Big numbers, minutes to years
22 million minutes ÷ 60 = 366,667 hours ÷ 24 = 15,278 days ÷ 365.2425 = 41.8 years.
Timesheets, hours to minutes
3.25 hours × 60 = 195 minutes, which is 3 h 15 min. A decimal hour is not minutes: 0.25 h is 15 minutes, not 25.
Seconds to days
1,000,000 seconds ÷ 86,400 = 11.57 days, about 11 days and 14 hours.
Common mistakes
- Writing decimal hours as clock time. 1.5 h is 1 h 30 min, not 1:50. Use the time to decimal converter for payroll.
- Using 365 days for long spans. Over decades, the 365.2425-day average year is more accurate; over a specific calendar year, count 365 or 366 days.
- Treating a month as 30 days in contracts or interest. The average month is 30.44 days, and real months vary; check which convention a document uses.
Sources
Conversion charts
Frequently asked questions
How many seconds are in a day?
1 day equals 86,400 seconds.
How many minutes in a year?
1 year equals about 525,949 minutes.
How long is 1 million minutes?
1,000,000 minutes is about 694.4 days, or roughly 1 year and 11 months (1.90 years of 365.2425 days).
How long is 20 million minutes?
20,000,000 minutes is about 13,889 days, which is about 38.0 years.
How long is 1 million seconds?
1,000,000 seconds is about 11.6 days (11 days, 13 hours, 46 minutes and 40 seconds).
How long is 1 billion seconds?
1,000,000,000 seconds is about 31.7 years (11,574 days).
How do I convert minutes to years?
Divide by 60 for hours, by 24 for days, then by 365.2425 (the average Gregorian year) for years — or divide minutes by 525,949.2 in one step.
How many seconds are in a year?
31,536,000 in a 365-day year, 31,622,400 in a leap year, and 31,556,952 on the 365.2425-day average.
How many hours are in a week?
168 hours (7 × 24), or 10,080 minutes.
How long is a million (or billion) minutes or seconds?
| Amount | Days | Years |
|---|---|---|
| 1 million seconds | 11.6 | 0.03 |
| 1 billion seconds | 11,574.1 | 31.69 |
| 1 million minutes | 694.4 | 1.9 |
| 10 million minutes | 6,944.4 | 19.01 |
| 20 million minutes | 13,888.9 | 38.03 |
| 22 million minutes | 15,277.8 | 41.83 |
| 50 million minutes | 34,722.2 | 95.07 |
| 100 million minutes | 69,444.4 | 190.13 |
| 1 million hours | 41,666.7 | 114.08 |
How to convert minutes to days and years by hand
- Divide minutes by 60 to get hours.
- Divide hours by 24 to get days.
- Divide days by 365.2425 to get average years (use 365 for a calendar year that is not a leap year).
- Example: 20,000,000 min ÷ 60 = 333,333 h ÷ 24 = 13,889 days ÷ 365.2425 = 38.0 years.
Working with clock times rather than durations? Use the time to decimal converter for timesheets or the time zone converter.